| 1951-07 |
Established Japan Miniature Bearing Corporation, the country's first specialized manufacturer of miniature bearings, in Azusawa, Itabashi-ku, Tokyo. |
| 1956-10 |
Relocated headquarters to Nihonbashi Kabutocho, Chuo-ku, Tokyo, and factory to Kamiookicho, Kawaguchi City, Saitama Prefecture. |
| 1959-06 |
Constructed a new factory in Aoki-cho, Kawaguchi City, Saitama Prefecture, and relocated the headquarters factory to the same site. |
| 1960-09 |
Started sales partnership with Miniature Precision Bearings Corp. (MPB) in the United States. |
| 1961-08 |
Publicly listed on the Tokyo Stock Exchange Over-the-Counter Market. |
| 1961-10 |
Listed on the Second Section of the Tokyo Stock Exchange simultaneously with its establishment of the Second Section market. |
| 1962-11 |
Dispatched an expatriate to develop the U.S. market. |
| 1963-03 |
Built a Karuizawa factory and transferred some processes. |
| 1964-01 |
Mutually agreed to amicably terminate the sales partnership with MPB in the United States. |
| 1965-07 |
Closed the Kawaguchi factory, transferred all facilities to the Karuizawa factory, and moved the headquarters from Kawaguchi City, Saitama Prefecture, to Miyota Town, Kitasaku District, Nagano Prefecture. |
| 1967-03 |
Dispatched an expatriate to develop the European market in London, United Kingdom. |
| 1968-09 |
Established Nippon Miniature Bearing Corporation (now NMB Technologies Corporation), a local subsidiary in Los Angeles, USA. |
| 1970 |
Tokyo Stock Exchange First Section Listing Briefing |
| 1970-10 |
Upgraded from the Second Section to the First Section of the Tokyo Stock Exchange. |
| 1971 |
Acquisition of US REED factory and commencement of overseas production |
| 1971-04 |
Established NMB (U.K.) Ltd., a sales company in the United Kingdom. |
| 1971-05 |
Listed on the First Section of the Osaka and Nagoya Stock Exchanges. |
| 1971-09 |
Acquired SKF's REED factory (now New Hampshire Ball Bearings, Inc., Chatter, USA) and began production activities in the United States. |
| 1972 |
First batch of trainees from Singapore factory |
| 1972-02 |
Established NMB Singapore Ltd., a manufacturing company in Singapore. |
| 1974-09 |
Acquired Shinko Tsushin Industries Co., Ltd., a major manufacturer of strain gauges listed on the Second Section of the Tokyo Stock Exchange (now Sensing Device Division), and its subsidiary, a defense equipment manufacturer, Shinchu Industries Co., Ltd. (now Tokki Division). |
| 1975-01 |
Acquired IMC Magnetics Corp., an American electronics manufacturer listed on the American Stock Exchange. |
| 1975-07 |
Acquired Tokyo Screw Manufacturing Co., Ltd., a comprehensive screw manufacturer listed on the Second Section of the Tokyo Stock Exchange (now Rod End & Fastener Division), and Shinchu Industries Co., Ltd., a defense-related equipment manufacturer. |
| 1977-09 |
Acquired Osaka Wheel Manufacturing Co., Ltd., a listed auto parts manufacturer on the Second Section of the Tokyo Stock Exchange. : Acquired Hansen Manufacturing Co., Inc., a motor division of the multinational company Morrell in the United States (later Hansen Corporation). |
| 1977-10 |
Established Nippon Miniature Bearing GmbH, a sales company in former West Germany. |
| 1978-02 |
Acquired Hokuto Onkyo Co., Ltd., the second-largest domestic speaker manufacturer, and Hata Tsushinki Seisakusho Co., Ltd., a transformer manufacturer. |
| 1979-08 |
Acquired Teikoku Die Casting Industry Co., Ltd., a die-cast manufacturer listed on the Second Section of the Tokyo Stock Exchange. |
| 1980-01 |
Establishment of Taiwan Minerva Electronics Co., Ltd.: Acquisition of Koyo Seiko's Singapore factory and establishment of Pelmec Industries (Pte.) Ltd. (now NMB Singapore Ltd.), starting small-diameter ball bearing production |
| 1981-01 |
Separation and independence of our sales division to establish NMB Co., Ltd., merging our group manufacturer's sales division into the company |
| 1982-06 |
Merger of Hokuto Audio Co., Ltd. and Hata Communication Equipment Manufacturing Co., Ltd. to establish Minebea Electronics Co., Ltd. |
| 1983-01 |
Commencement of production at Matsuida Factory in Annaka City, Gunma Prefecture |
| 1984 |
1984: Opening ceremony of the Ayutthaya factory in Thailand. |
| 1984-05 |
Establishment of NMB Semiconductor Co., Ltd. in Tateyama City, Chiba Prefecture, for manufacturing and sales of semiconductor memory |
| 1985-03 |
Acquisition of American bearing manufacturer New Hampshire Ball Bearings, Inc. (listed on the American Stock Exchange) |
| 1986-05 |
Establishment of Development Technology Center and Minebea Electronics Co., Ltd. in Iwata Town, Shizuoka Prefecture |
| 1987-05 |
Establishment of joint venture manufacturing company Thai Ferrite Co., Ltd. (now Power Electronics of Minebea Co., Ltd.) in Thailand |
| 1988-02 |
Acquisition of UK rod end & spherical bearing manufacturer Rose Bearings Ltd. (now NMB-Minebea UK Ltd.) |
| 1989-01 |
Establishment of sales company NMB France S.a.r.l. (now MinebeaMitsumi Sales France SARL) in France |
| 2001-01 |
Transferred NMB Business Division of Keiai-sha Co., Ltd. to Minebea Co., Ltd. |
| 2002-06 |
Agreed on production outsourcing for the HDD dynamic fluid bearing motor business with Panasonic Electric Works Co., Ltd. |
| 2002-08 |
Merged with Huan Hsin Holdings Ltd. of Singapore to form Sheng Ding Pte. Ltd., establishing a production subsidiary for computer keyboards in China, Shanghai Shun Ding Technologies Ltd. |
| 2002-09 |
Agreed on joint development and production outsourcing for DC axial flow box fan motors with Panasonic Electric Works Co., Ltd. |
| 2003-08 |
Decided to establish a new company in 2004 by integrating the information motor business (axial fan motors, stepping motors, vibration motors, brushed DC motors) of Panasonic Electric Works Motor Division. |
| 2004-04 |
Established a merger company with Panasonic Electric Works Motor Division, Mineneba-Panasonic Motor Co., Ltd. (later Minebea Motor Co., Ltd.). |
| 2004-07 |
NMB-Minebea UK Ltd., a UK subsidiary, established NMB Minebea Slovakia s.r.o. in Slovakia, transferring keyboard printing operations. |
| 2006-01 |
Ceased production at the Saku factory. |
| 2006-03 |
Dissolved the joint venture with Huan Hsin Holdings Ltd. of Singapore and acquired all shares. |
| 2008-04 |
Merged and integrated seven companies located in Thailand: NMB Thai Ltd., Pelmec Thai Ltd., Minebea Thai Ltd., NMB Hi-Tech Bearings Ltd., NMB Precision Balls Ltd., Minebea Electronics (Thailand) Co., Ltd., and Power Electronics of Minebea Co., Ltd., and renamed the company NMB-Minebea Thai Ltd. |
| 2008-07 |
Established the Advanced Electronic Research and Development Centre Europe in Odenthal, Germany. |
| 2009-01 |
Acquired FDK Corporation's stepping motor business and established the Micro Actuator Business Division. |
| 2009-03 |
Acquired the German micro and small-diameter ball bearing manufacturer myonic Holding GmbH and its subsidiaries. |
| 2010-04 |
Minebea Motor Co., Ltd. acquired Panasonic Motor Co., Ltd.'s information motor division and established the Brushless Motor Business Division. |
| 2010-08 |
Acquired First Precision Industry Co., Ltd., a manufacturer of precision molds for resin injection molding, from a fund operated by Japan Mirai Capital Co., Ltd. (NMC 2002 L.P.). |
| 2010-10 |
Established Minebea (Cambodia) Co., Ltd. in Cambodia. |
| 2011 |
Groundbreaking ceremony for our own factory in Cambodia. |
| 2011-04 |
Started production of small motors at a rental factory within Phnom Penh Special Economic Zone. |
| 2011-07 |
Celebrated the 60th anniversary of Minebea Co., Ltd. |
| 2011-12 |
Completed our own factory within Phnom Penh Special Economic Zone in Cambodia and commenced full-scale production activities. |
| 2012-05 |
Acquired 50.8% of shares of Moatech Co., Ltd. (Korea) and became part of the Minebea Group. |
| 2012-08 |
Established the "Minebea East Japan Earthquake Orphan Support Fund" as a project to commemorate the 60th anniversary of Minebea Co., Ltd. |
| 2013-01 |
Acquired our own building in Mita, Minato-ku, Tokyo, and started operations. |
| 2013-02 |
Dissolved the joint venture with Panasonic Corporation for motor business. |
| 2013-04 |
Established NMB-Minebea India Private Ltd. in Gurgaón, India. |
| 2013-05 |
Myonic, a subsidiary in Germany, acquired the business assets of APB Service GmbH, a manufacturer of large bearings for industrial machinery. |
| 2013-05 |
Signed a business and capital alliance agreement with KJ Pretech Co., Ltd. in Korea. |
| 2013-07 |
Our US subsidiary NHBB acquired all shares of CEROBEAR GmbH, a German company manufacturing and selling ceramic bearings. |
| 2014-01 |
Acquired 34.71% of issued shares of Paradox Engineering SA, a Swiss company with wireless and network technology, and participated in capital. |
| 2014-06 |
Sold our US subsidiary Hansen Corporation. |
| 2014-07 |
Made Japan 3D Devices Co., Ltd., a subsidiary of Okamoto Glass Co., Ltd. that manufactures thin sheet precision molded glass, a subsidiary. |
| 2014-08 |
Established a ball bearing manufacturing and sales subsidiary in China, Cixi Xinmei Peilin Precision Bearing Co., Ltd. |
| 2014-12 |
Established Shiono Precision, which manufactures aircraft parts and space development components. |
| 2015-02 |
Minebea Co., Ltd. and Development Bank of Japan Inc. (DBJ) acquired all shares of Sartorius Mechatronics T&H GmbH, a major German measurement equipment company, and its subsidiaries (Minebea: 51%, DBJ: 49%). |
| 2015-07 |
Made Paradox Engineering SA a subsidiary. |
| 2015-08 |
A steel ball bearing with an outer diameter of 1.5mm has been recognized by Guinness World Records as the world's smallest mass-produced ball bearing. |
| 2016-02 |
Established a local sales subsidiary in Mexico, NMB-Minebea de Mexico, S. de R.L. de C.V. |
| 2016-03 |
Signed a management integration agreement and a share exchange agreement with Mitsumi Electric Corporation. |
| 2016-03 |
Opened the company's first LED lighting fixture showroom, 'SALIOT Showroom', in Bangkok, Thailand. |
| 2016-05 |
The German subsidiary Sartorius Mechatronics T&H GmbH acquired all shares of the French industrial weighing equipment manufacturing and sales companies A à Pesage S.A.S. and Centre Pesage S.A.S. |
| 2016-09 |
Signed a capital and business alliance agreement with Iwasaki Electric Co., Ltd., with Minebea as the leading shareholder. |
| 2016-09 |
Rebranded the subsidiary brand 'Sartorius Intec' to 'Minebea Intec'. |
| 2017-01 |
Minebea Co., Ltd. fully acquired Mitsumi Electric Corporation through a share exchange and implemented a management integration, changing the company name to Minebea Mitsumi Inc. |
| 2017-05 |
Signed a joint business development agreement with Ricoh Co., Ltd. to commercialize a bed sensor system for monitoring biological information. |
| 2017-09 |
Acquired all shares of C&A Tool Engineering, Inc., which specializes in precision mechanical metal processing for medical, aerospace, industrial, and fuel systems, jointly with the Development Bank of Japan. |
| 2017-09 |
Opened the 'SALIOT Showroom' with a permanent display of the new LED lighting fixture 'SALIOT' in Mita, Minato-ku, Tokyo. |
| 2018-06 |
June 2018: Started production of automotive motors at the Kosice factory in Slovakia. |
| 2018-06 |
Start of automotive motor production at Košice Factory in Slovakia |
| 2018-12 |
December 2018: Established the China Technical Center (Mitsumi Sanmei Mechanical and Electrical Technology Service (Suzhou) Co., Ltd.) in Suzhou, China, as a development base specializing in automotive parts. |
| 2018-12 |
Establishment of China Technical Center (Minerva Sanmei Mechanical and Electrical Technology Service (Suzhou) Co., Ltd.) in Suzhou, China, as a development base specializing in automotive parts |
| 2019 |
In 2019, completed a management integration by making Yushin Co., Ltd. a consolidated subsidiary through a share buyback. |
| 2019 |
Renamed the German subsidiary Precision Motors Deutsche Minebea GmbH to MinebeaMitsumi Technology Center Europe GmbH. |
| 2019-04 |
April 2019: Changed the name of Shiono Precision Co., Ltd., a manufacturing subsidiary for aerospace and space-related parts, to Minebea Precision Co., Ltd. |
| 2019-04 |
Renaming of Shiono Precision Co., Ltd., an aerospace parts manufacturing subsidiary, to Minebea Precision Co., Ltd. |
| 2019-08 |
August 2019: Made Yushin Co., Ltd., a consolidated subsidiary, a wholly owned subsidiary through share consolidation. |
| 2019-08 |
Complete subsidiary through share consolidation of Uchin Co., Ltd. |
| 2019-09 |
September 2019: The German subsidiary Precision Motors Deutsche Minebea GmbH acquired Mast Kunststoffe GmbH & Co.KG, a manufacturer of precision molded parts, and Mast Verwaltungsgesellschaft mbH, a management service company. |
| 2019-09 |
German subsidiary Precision Motors Deutsche Minebea GmbH acquires Mast Kunststoffe GmbH & Co.KG, a precision molded parts manufacturer, and Mast Verwaltungsgesellschaft mbH, a management service company |
| 2019-09 |
Renaming of Precision Motors Deutsche Minebea GmbH to MinebeaMitsumi Technology Center Europe GmbH |
| 2020 |
2020: Launched official online shop. |
| 2020-03 |
March 2020: Built a new company building at the Akita plant to strengthen automotive business development. |
| 2020-03 |
Construction of a new building at Akita Plant to strengthen automotive development activities |
| 2020-04 |
April 2020: Due to the spread of COVID-19, donated medical items such as N95 masks and goggles to medical institutions and governments in Japan and abroad, and started in-house production of masks at Hamamatsu and Shanghai factories for safe operations. |
| 2020-04 |
In response to the spread of the novel coronavirus (COVID-19), donated medical items such as N95 masks and goggles to domestic and international medical institutions and governments of countries where we are expanding our business, and started in-house production of masks at Hamamatsu and Shanghai factories for safe operation in the future. |
| 2020-06 |
June 2020: Acquired additional non-controlling stake in U.S. subsidiary C&A TOOL ENGINEERING, INC., making it a 100% subsidiary. |
| 2020-06 |
Acquired additional non-controlling stake in the US subsidiary C&A TOOL ENGINEERING, INC., making it a 100% owned subsidiary. |
| 2020-11 |
November 2020: Joined the Japan Mask Industry Association. |
| 2020-11 |
Joined the Japan Mask Industry Association. |
| 2021-06 |
June 2021: Discontinued listing on the First Section of Nagoya Stock Exchange. |
| 2021-06 |
Discontinued listing on the First Section of the Nagoya Stock Exchange. |
| 2021-07 |
July 2021: Celebrated the 70th anniversary of MinebeaMitsumi Inc. |
| 2021-07 |
Celebrated the 70th anniversary of Minebea Mitsumi Inc. |
| 2021-08 |
August 2021: Established new semiconductor design and development bases in Ota City, Gunma Prefecture, and Gifu City, Gifu Prefecture. |
| 2021-08 |
Established new semiconductor design and development bases in Ota City, Gunma Prefecture, and Gifu City, Gifu Prefecture. |
| 2021-10 |
October 2021: Subsidiary Mitsumi Electric Co., Ltd. acquired semiconductor and MEMS factory (Fab) and MEMS product development functions from Omron Corporation, becoming MMI Semiconductor Inc. |
| 2021-10 |
Subsidiary Mitsumi Electric Co., Ltd. acquired semiconductor and MEMS factory (Fab) and MEMS product development functions from Omron Corporation, becoming a subsidiary (MMI Semiconductor Co., Ltd.). |
| 2022-02 |
February 2022: Consolidated development technology and sales teams near Shin-Osaka Station in Osaka, establishing Osaka R&D Center (ORDC), and merged sales teams of MinebeaMitsumi, Yushin, Yushin Showa, and Atribe at the same location. |
| 2022-02 |
Consolidated development technology and sales teams in Osaka near Shin-Osaka Station, establishing the Osaka R&D Center (ORDC) as a new development base, and consolidated sales teams of Minebea Mitsumi, Yushin, Yushin Showa, and Atribe at the same location. |
| 2022-04 |
April 2022: Transitioned from the First Section to the Prime Market of the Tokyo Stock Exchange following market classification review. |
| 2022-04 |
Transitioned from the First Section to the Prime Market due to the review of the Tokyo Stock Exchange market classification. |
| 2022-05 |
May 2022: Established a Technology Center at Karuizawa Factory to strengthen development of machine processed products. |
| 2022-05 |
Established a Technology Center at Karuizawa Factory to strengthen development of machined products. |
| 2022-09 |
September 2022: Executed management integration by acquiring shares of Honda Tsushin Kogyo Co., Ltd., which manufactures and sells connectors. |
| 2022-09 |
Implemented a management integration with Honda Tsushin Kogyo Co., Ltd., which manufactures and sells connectors, through a tender offer. |
| 2022-11 |
November 2022: Subsidiary Mitsumi Electric Co., Ltd. acquired shares of Sumitomo Metal Mining Co., Ltd.'s Sumiko Tech Co., Ltd., which manufactures terminals and connectors, becoming a subsidiary. |
| 2022-11 |
Subsidiary Mitsumi Electric Co., Ltd. acquired shares of Sumitomo Metal Mining Co., Ltd.'s subsidiary Sumiko Tech Co., Ltd., which manufactures and sells terminals and connectors, making it a subsidiary (Minebea Connect Co., Ltd.). |
| 2023-01 |
January 2023: Became a subsidiary of Honda Lock Co., Ltd., which manufactures automotive parts and residential keyless systems, through share acquisition. |
| 2023-01 |
Acquired shares of Honda Lock Co., Ltd., which manufactures and sells automotive parts and residential keyless systems, making it a subsidiary (Minebea Access Solutions Co., Ltd.). |
| 2023-03 |
March 2023: Moved Tokyo headquarters and some sales bases to Tokyo Cross Tech Garden in Minato Ward, Tokyo. |
| 2023-03 |
Relocated Tokyo headquarters and some sales offices to Tokyo Cross Tech Garden in Minato Ward, Tokyo. |
| 2023-04 |
April 2023: Subsidiary Atribe Co., Ltd. acquired shares of Semiconductor Design Company SSC, becoming a subsidiary. |
| 2023-04 |
Subsidiary Atribe Co., Ltd. acquired shares of Semiconductor Design Company SSC, becoming a subsidiary. |
| 2023-09 |
September 2023: Opened Cross Tech Museum at Tokyo Cross Tech Garden to showcase manufacturing technology. |
| 2023-09 |
Opened Cross Tech Museum at Tokyo Cross Tech Garden to showcase manufacturing technology. |
| 2023-12 |
December 2023: Subsidiary NMB-Minebea UK Ltd. acquired shares of RO-RA Aviation Systems GmbH, which manufactures and sells precision machinery parts, becoming a subsidiary. |
| 2023-12 |
Subsidiary NMB-Minebea UK Ltd. acquired shares of RO-RA Aviation Systems GmbH, which manufactures and sells precision machinery parts, becoming a subsidiary. |
| 2024-05 |
May 2024: Became a subsidiary of Hitachi Power Devices Co., Ltd., which manufactures and sells semiconductor products, through share acquisition. |
| 2024-05 |
Acquired shares of Hitachi Power Devices Co., Ltd., which manufactures and sells semiconductors, making it a subsidiary (Minebea Power Devices Co., Ltd.). |
| 2024-12 |
December 2024: Subsidiary Atribe Co., Ltd. acquired medical-related business from Soshionext Co., Ltd. |
| 2025-01 |
Established a joint venture, Minebea Super Solar Power Ltd., with Thailand's major power company Super Energy Corporation PLC to promote renewable energy in Thailand's factory. |
| 2025-02 |
February 2025: Built a new factory in India for increasing production capacity of aircraft parts. |
| 2025-02 |
Constructed a new factory in India for increased production capacity of aircraft-related parts. |
| 2025-04 |
At the Japan International Expo (Osaka Kansai Expo), we provided special sponsorship for the Pasona Group Pavilion "PASONA NATUREVERSE." We exhibited a concept bed that allows visitors to experience future sleep using a bed sensor system® in the "Future Sleep" area of the "Body Zone." |
| 2025-10 |
Tsubaki Nakashima Co., Ltd., which manufactures and sells ball screws and ball ways, was made a subsidiary through share acquisition (Minebea Linear Motion Co., Ltd.). |
| 2025-12 |
To prepare for the expansion of production of products expected to further expand the market, a PulsaT factory was newly established in Cambodia. |
| 2026-01 |
Made its first appearance at CES 2026, one of the world's largest technology trade shows held in Las Vegas, USA. |
| 2026-04 |
To strengthen supply capacity for products for two-wheeled and four-wheeled vehicles in India, a new factory was established in India for Minebea AccessSolutions India Pvt. Ltd. |
| 2026-06 |
To enhance production capacity in response to the growing demand in the aerospace industry, a new building was constructed at NMB-Minebea Thai Ltd.'s Lopburi factory. |
