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| IRISO ELECTRONICS SINGAPORE PTE., LTD. | ||||||||
| IRISO ELECTRONICS(H.K.)LTD. | ||||||||
| アイアールエス精工株式会社 | ||||||||
| 有限会社エスジーディー | ||||||||
| 茨城イリソ電子工業株式会社 |
Founded Iriso Electronics Co., Ltd. in Kawasaki City, Kanagawa Prefecture
Established IRS (S) PTE., Ltd. in Singapore for the purpose of manufacturing and selling various pins and multi-pole connectors, and began overseas expansion
Established Shanghai Yili Speed Electronics Co., Ltd. (Shanghai Factory) as a manufacturing subsidiary in China
Established IRISO U.S.A., Inc. as a sales subsidiary in the United States
Established Iriso Electronics Industry Co., Ltd. in Shimonobe, Kawasaki City, Kanagawa Prefecture
Established IRISO Electronics Co., Ltd. in Shimonumabe, Kawasaki City, Kanagawa Prefecture.
Established IRISO Electronics co.,ltd. in Kawasaki City, Kanagawa Prefecture.
Developed and started manufacturing and sales of wrapping pins that wind and connect wires on printed circuit boards
Developed wrapping pins that wrap wire around to make connections on a PCB, and began manufacturing and selling them.
Started manufacturing and selling wrapping pins.
Developed and started manufacturing and sales of jumper pins that connect circuits from the component side on printed circuit boards
Developed jumper pins that connect circuits on the parts side of PCBs, and began manufacturing and selling them.
Started manufacturing and selling pin headers.
Started manufacturing and sales of pin headers (male connectors) that expand connection patterns by combining resin parts and pins
Started manufacturing and selling pin headers (male connectors) that expand connection patterns by combining the resin part with the pin.
Developed and started manufacturing and sales of check pins that perform board operation checks on printed circuit boards
Developed check pins that test a PCB's behavior on itself, and began manufacturing and selling them.
Relocated headquarters and factory to Takatsu Ward, Kawasaki City, Kanagawa Prefecture
Relocated the headquarters office and factory to Takatsu-ku, Kawasaki City, Kanagawa.
Developed and started manufacturing and sales of connector pins with tapered tips
Developed connector pins with tapered tips, and began manufacturing and selling them.
Established IRS (S) PTE LTD in the Republic of Singapore for the purpose of manufacturing and selling various pins and multi-pole connectors
IRS (S) PTE LTD was established in Singapore for the purpose of manufacturing and selling various pins and multi-pole connectors.
Established IRS (S) PTE., Ltd. in Singapore for the purpose of manufacturing and selling various pin and multi-pin connectors, and started overseas expansion.
Established IRES Seiko Co., Ltd. in Nakahara Ward, Kawasaki City, Kanagawa Prefecture
Established IRS PRECISION Co., Ltd. in Nakahara-ku, Kawasaki City, Kanagawa, for manufacturing and selling precision metal machining equipment.
Opened Osaka Sales Office in Daito City, Osaka Prefecture (relocated in February 1990)
Opened Osaka Sales Office in Daito-shi, Osaka. (Moved to Chuo-ku, Osaka in February, 1990.)
Started manufacturing and sales of short-circuiting connectors with switch functions, and advanced into the connector field
Began producing and selling jumper connectors which have a switching function, and made a full-scale entry into the connector field.
Full-scale entry into the connector field with the start of manufacturing and sales of short-circuit connectors with switch functions.
IRES Seiko Co., Ltd. changed its name to Ibaraki Iriso Electronics Industry Co., Ltd. and relocated its headquarters from Nakahara Ward, Kawasaki City, Kanagawa Prefecture to Omiya Town, Naka District, Ibaraki Prefecture (current Ibaraki Factory)
Changed the name from IRS Precision Co., Ltd. to Ibaraki IRISO Electronics Co., Ltd., and transferred the headquarters from Nakahara-ku, Kawasaki-shi, Kanagawa to Omiya-machi, Naka-gun, Ibaraki (present Ibaraki Plant).
Built Ibaraki Plant in Hitachi-Omiya, Ibaraki Prefecture.
Established Tohoku Sales Office in Omiya Town, Naka District, Ibaraki Prefecture
Opened Higashikanto Sales Office in Omiya-machi, Naka-gun Ibaraki.
Established Tohoku Sales Office in Mizusawa City, Iwate Prefecture (now Oshu City)
Opened Tohoku Sales Office in Mizusawa-shi, Iwate.
Started manufacturing and sales of BtoB connectors that connect printed circuit boards
Started manufacturing and selling Board to Board Connector connectors that connect printed circuit boards.
Developed a Board to Board Connector that connects printed circuit boards, and started sales to car audio manufacturers.
Started manufacturing and sales of FPC connectors that connect flexible printed circuit boards.
Started manufacturing and sales of flexible printed circuit connectors (FPC connectors) that connect resilient printed circuit boards
Began producing and selling connectors for flexible printed circuits (FPC connectors).
Developed a Floating type Board to Board Connector that absorbs misalignment between printed circuit boards for connection, and started manufacturing and sales.
Opened Philippine Office in Makati District, Manila City, Philippines (moved to Muntinlupa District in June 1999, and relocated again to Cavite District in September 2002)
Philippine office opened in Makati, Manila, Philippines.
Established Hong Kong Sales Office
Opened Hong Kong Sales Office in Hong Kong.
Established Shanghai Yili Su Electronic Industry Co., Ltd. in Shanghai, China, for the purpose of manufacturing various pins and multi-pole connectors
Shanghai Yilisou Electronics Co., Ltd. is established in Shanghai, People's Republic of China for the purpose of manufacturing various pins and multi-pole connectors.
Established SHANGHAI IRISO ELECTRONICS CO.,LTD (Shanghai Factory) as a manufacturing subsidiary in China.
Established IRISO USA, Inc. as a sales subsidiary in the United States.
Established IRISO U.S.A., INC. in Chicago, Illinois, USA, for the purpose of selling various pins and multi-pole connectors (moved to Michigan in August 2004)
IRISO USA, INC. is established in Chicago, Illinois, USA for the purpose of selling various pins and multi-pole connectors.
Registered shares on the over-the-counter market of the Japan Securities Dealers Association (now Tokyo Stock Exchange JASDAQ Market)
Registered over-the-counter stock with the Securities Dealers Association of Japan (present Tokyo Stock Exchange JASDAQ Market).
Opened European sales office in Brussels, Belgium
Opened Europe Sales Office in Brussels, Belgium.
Opened Thai office in Bangkok, Thailand
Opened Thailand Office in Bangkok, Thailand.
Established IRISO ELECTRONICS PHILIPPINES, INC. in Cavite, Philippines
IRISO ELECTRONICS PHILIPPINES, INC. established in Cavite, Philippines.
Opened European sales office and German liaison office in Germany
Opened Europe Sales Office Germany Liaison Branch in Germany.
Established European sales office in Germany (became a sales subsidiary in 2000).
Opened Singapore sales office in Singapore
Opened Singapore Sales Office in Singapore.
Obtained ISO9001 certification
Obtained ISO 9001 certification.
Established IRISO ELECTRONICS PHILIPPINES, INC. (Philippines Plant) as a manufacturing subsidiary in the Philippines.
Established IRISO Components Co., Ltd. in Takatsu-ku, Kawasaki City, Kanagawa Prefecture
IRISO Components Co., Ltd. was established in Takatsu Ward, Kawasaki City, Kanagawa Prefecture.
Established IRISO ELECTRONICS SINGAPORE PTE., LTD. in Toa Payoh, Singapore (transferred business operations of the sales office)
Established IRISO ELECTRONICS SINGAPORE PTE., LTD. in Tuas District, Singapore.
Established IRISO ELECTRONICS (HONG KONG) LIMITED in Hong Kong (transferred business operations of the sales office)
IRISO ELECTRONICS (HONG KONG) LIMITED established in Hong Kong.
Established a European sales office in Germany (became a sales subsidiary in 2000)
Established IRISO ELECTRONICS PHILIPPINES, INC. (Philippine Factory) as a manufacturing subsidiary in the Philippines
Established Yili Speed (Shanghai) Trading Co., Ltd. as a sales subsidiary in China
Established IRISO ELECTRONICS VIETNAM CO., LTD. (Vietnam Factory) as a manufacturing subsidiary in Vietnam
Established Nantong Yili Speed Electronics Co., Ltd. (Nantong Factory) as a manufacturing subsidiary in China
Established IRISO ELECTRONICS INDIA PRIVATE LIMITED as a sales subsidiary in India
Established IRISO ELECTRONICS KOREA CO., LTD. as a sales subsidiary in South Korea
Established IRISO Electronics Europe GmbH in Germany (transferred operations of the European sales office and German liaison office)
IRISO Electronics Europe GmbH established in Germany.
Obtained QS9000 certification
Obtained QS 9000 certification.
Opened Yili Su (Shanghai) Trading Co., Ltd. in Shanghai, China
Established Yilispeed (Shanghai) Trading Co., Ltd. in Shanghai, People's Republic of China.
Obtained ISO14001 certification
Established IRISO (SHANGHAI)TRADING CO., LTD. as a sales subsidiary in China.
Obtained ISO14001 certification.
Merged IRS (S) PTE LTD and IRISO ELECTRONICS SINGAPORE PTE., LTD. to form a sales subsidiary (company name changed to IRS (S) PTE LTD, transferred functions)
Merged IRS (S) PTE LTD and IRISO ELECTRONICS SINGAPORE PTE., LTD. to form a sales subsidiary, changing the company name to IRS (S) PTE LTD.
Opened Yili Su (Shanghai) Trading Co., Ltd. Dalian Office in Dalian, China
Opened Dalian Office of Yilispeed (Shanghai) Trading Co., Ltd. in Dalian, People's Republic of China.
Established Iriso Electronics (Thailand) Ltd. in Bangkok, Thailand (transferred operations)
Iriso Electronics (Thailand) Ltd. was established in Bangkok, Thailand.
Increased capital to 2,240,250,000 yen
Increased capital to 2,240,250,000 yen.
Opened Yili Su (Shanghai) Trading Co., Ltd. Tianjin Office in Tianjin, China
Opened the Tianjin Branch of Yilispeed (Shanghai) Trading Co., Ltd. in Tianjin, People's Republic of China.
Established a Chubu Sales Office in Nagoya City, Aichi Prefecture
Opened Chubu Sales Office in Nagoya-shi, Aichi.
Automotive market sales exceed 50% (FY2005).
Established a branch office of E-Li Speed (Shanghai) Trading Co., Ltd. in Suzhou, People's Republic of China
Established Suzhou Branch of Yilispeed (Shanghai) Trading Co., Ltd. in Suzhou City, People's Republic of China.
Established an IRISO ELECTRONICS (H.K.) LTD. Korea Branch Office in Anyang City, South Korea
Opened IRISO Electronics(HK)Ltd.Korea Branch Office in Korea.
Increased capital to 3,490,230,000 yen
Increased capital to 3,490,230,000 yen.
Established IRISO ELECTRONICS VIETNAM CO., LTD. (Vietnam Plant) as a manufacturing subsidiary in Vietnam.
Established IRISO ELECTRONICS (H.K.) LTD. Taiwan Office in Taipei City, Taiwan
Opened IRISO Electronics(HK)Ltd.Taiwan Branch Office in Taiwan.
Established IRISO ELECTRONICS VIETNAM CO., LTD. in Hanoi City, Socialist Republic of Vietnam
IRISO ELECTRONICS VIETNAM CO., LTD. established in Hanoi, Socialist Republic of Vietnam.
Increased capital to 5,398,000,000 yen
Increased capital to 5,398,000,000 yen.
Developed double-sided Floating Board to Board Connector and started manufacturing and sales.
Increased capital to 5,640,050,000 yen.
Head office (IRISO Technology Park) completed and relocated to Shin-Yokohama, Kohoku-ku, Yokohama, Kanagawa Prefecture.
Completed the Iriso Technology Park in Shin-Yokohama, Kohoku Ward, Yokohama City, Kanagawa Prefecture, and relocated the head office functions to the facility
IRISO Technology Park completed in Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa Prefecture, and the head office functions relocated to this facility. Established a Production Technology Development Center in Takatsu Ward, Kawasaki City.
Established E-Li Speed (Shanghai) Electronic Technology R&D Co., Ltd. in Shanghai, People's Republic of China
Established Yilispeed (Shanghai) Electronic Technology Research Co., Ltd. in Shanghai, People's Republic of China.
Developed 2-point contact Board to Board Connector and started manufacturing and sales.
Established IRISO Electronics Co., Ltd. India Liaison Office in Bangalore City, Republic of India
Established IRISO Electronics Co., Ltd. India Liaison Office in Bangalore, India.
Established E-Li Speed (Shanghai) Trading Co., Ltd. Chongqing Branch Office in Chongqing, People's Republic of China
Opened the Chongqing Branch of Yilispeed (Shanghai) Trading Co., Ltd. in Chongqing, People's Republic of China.
Opened Atlanta Office for US sales company
US sales company opens Atlanta office.
Succeeded in developing the industry's first and world's first technology, the 3D Floating Board to Board Connector "Z-Move structure™" with excellent vibration resistance.
Changed market to the First Section of the Tokyo Stock Exchange
Listed in the First Section of the Tokyo Stock Exchange, transferred from JASDAQ (Standard).
Market changed to the First Section of the Tokyo Stock Exchange.
Established Nantong E-Li Speed Electronic Industrial Co., Ltd. in Nantong City, Jiangsu Province, People's Republic of China
Established Nantong Yili Speed Electronics Industry Co., Ltd. in Nantong City, Jiangsu Province, People's Republic of China.
Established Nantong Yili Electronics Industrial Co., Ltd. (Nantong Plant) as a manufacturing subsidiary in China.
Fully acquired S.G.D. Co., Ltd. through share transfer and changed the company name to Iriso Engineering Co., Ltd. Moved from the First Section of the Tokyo Stock Exchange to the Prime Market
S.G.D. Co., Ltd. becomes a wholly owned subsidiary through a stock transfer, and the company name is changed to IRISO Engineering Co., Ltd. Moved from the First Section of the Tokyo Stock Exchange to the Prime Market.
Moved from the First Section of the Tokyo Stock Exchange to the Prime Market.
Established IRISO ELECTRONICS INDIA PRIVATE LIMITED in Karnataka State, India
IRISO ELECTRONICS INDIA PRIVATE LIMITED was established in Karnataka, India.
Established IRISO ELECTRONICS INDIA PRIVATE LIMITED as a sales subsidiary in India.
Absorbed and merged with Iriso Engineering Co., Ltd.
Merged with IRISO Engineering Co., Ltd.
Established Akita Factory in Yokote City, Akita Prefecture
Opened Akita Plant in Yokote City, Akita Prefecture.
Planned to build Akita Plant in Yokote City, Akita Prefecture.
Established IRISO ELECTRONICS KOREA CO., LTD. in Anyang City, Gyeonggi Province, South Korea
Established IRISO ELECTRONICS KOREA CO., LTD. in Anyang City, Gyeonggi Province, South Korea.
Established IRISO ELECTRONICS KOREA CO., LTD. as a sales subsidiary in South Korea.
Established Nihon Shōgi E-Li Speed Electronics Co., Ltd. Taiwan Branch in Taipei City, Taiwan
Established IRISO ELECTRONICS CO., LTD. TAIWAN BRANCH in Taipei, Taiwan.
IRISO Electronics announced on November 13, 2026 that it has expanded its range of FPC/FFC connector solutions for the head and joint sections of industrial robots. The company aims to provide more and better options for factory automation and smart factory applications.
Iris Electronics Co., Ltd. has expanded its FPC/FFC connectors designed to achieve high-density mounting and space-saving in the head joint components of industrial robots. The new products combine automated assembly and EMC measures, making them suitable for connections in head unit and joint components.
Iris Electronics Co., Ltd. expanded its product line of floating power connectors used in industrial control equipment (PLCs, robot controllers, IPCs) on November 5, 2026. The new products aim to provide higher reliability and flexibility in line with the widespread adoption of factory and industrial automation.
Iris Electronics Co., Ltd. expanded its proposal for floating power connectors for PLCs, robot controllers, and industrial PCs (IPCs). The floating structure provides a position shift absorption function, enabling both high-speed transmission and power supply, thereby reducing defects in the assembly process. The proposed product introduced the 10143 series high-speed hybrid connector with power terminals, supporting up to 25Gbps.
IRISO will exhibit at SPS 2026 in Nuremberg, Germany, from November 24 to 26, 2026. The company will present connector solutions supporting Industry 4.0, including products for PLCs, industrial cameras, and servo amplifiers, and propose connection technologies for manufacturing automation.
IRISO Electronics will exhibit at SPS 2026, held in Nuremberg, Germany, from November 24 to 26, 2026. The company will showcase connector solutions for industrial equipment such as PLCs, industrial cameras, and servo amplifiers, and introduce connectivity technologies that contribute to automation in manufacturing facilities.
IRISO Electronics will exhibit at electronica 2026 in Munich, Germany, from November 10 to 13, 2026. The company will showcase next-generation mobility powertrain solutions, including high-speed, high-voltage and high-power connectors, “Unit-able” interface connectors, and wire-to-wire connectors.
Iriso Electronics will exhibit at electronica 2026, held in Munich, Germany from November 10-13, 2026. We will showcase connectors that support high speed, high voltage, and high output, as well as the interface solution 'Unit-able', wire-to-wire connectors, and introduce powertrain solutions for next-generation mobility. In a joint exhibition with Fujioe Co., Ltd. (NACHI), we will demonstrate robot-assisted assembly of FPC/FFC connectors.
Iris Electronics Industry received a recommendation from the Japan Fair Trade Commission. The company has apologized for causing trouble to those involved. No detailed information is provided.
Iriso Electronics Industry received a recommendation from the Fair Trade Commission for violating the Subcontract Law. The company was criticized for acts related to free loan of molds and prolonged order suspensions. They plan to review and improve their internal systems in the future.