Tokyo Keiki Inc.

Started manufacturing pressure gauges in Tokyo, Koishikawa, as Japan's first instrument factory, Wada Instrument Manufacturing Co.

Founded in Koishikawa, Tokyo, as Japan's first manufacturer of pressure gauges and other measuring instruments.

Started manufacturing navigation instruments such as compasses and depth gauges.

Started manufacturing compasses, depth sounders, and other navigation instruments and equipment.

Established Tokyo Instrument Manufacturing Co., a general partnership.

Started manufacturing marine telescopes and distance measuring devices.

Started manufacturing telescopes and distance measuring instruments for navigation.

Reorganized into Tokyo Instrument Manufacturing Co., Ltd. and separated the optical division to establish Japan Optical Industry Co., Ltd. (now Nikon Corporation) in joint venture with Mitsubishi.

Started manufacturing Sperry gyrocompass.

Started manufacturing Sperry gyrocompasses.

Initiated research on aeronautical instruments ahead of other companies.

Started developing aeronautic instruments.

Succeeded in manufacturing Japan's first ship autopilot, fire detection, and fire extinguishing devices.

Relocated headquarters and factory to Kamata, Tokyo.

Head Office moved to Kamata, Tokyo.

Established Tokyo Aviation Instruments Co., Ltd. to develop the aviation division.

Separated into Tokyo Instrument Manufacturing Co., Ltd. and Nagano Instrument Manufacturing Co., Ltd. based on the Corporate Reorganization Law.

Listed on the Tokyo Stock Exchange.

Signed agency sales rights agreement for all marine equipment of Sperry Corporation (now Litton Marine Systems) in the United States.

Signed manufacturing rights agreements with Sperry Corporation for gyrocompasses, autopilots, and Rolland, and with Kidi Corporation for fire detection and extinguishing devices in the United States.

Signed manufacturing rights contracts with Sperry Corporation of the United States for gyrocompasses, autopilots, and roll stabilization systems. Signed manufacturing rights contracts with Kidde Corporation of the United States for fire detection and extinguishing systems.

Signed a manufacturing rights agreement for radar with Sperry Corporation in the United States.

Developed Japan's first marine radar system.

Signed a manufacturing rights agreement for aeronautical instruments with Sperry Corporation (now Honeywell) in the United States.

Started manufacturing hydraulic equipment.

Began manufacture of hydraulic equipment.

Signed a manufacturing rights agreement for aeronautical instruments with Bendix Corporation in the United States.

Succeeded in developing ship automation equipment, attracting attention from around the world.

Achieved the world's first development of ultrasonic flow meters, pioneering a new field in flow measurement and control.

Developed world's first commercial ultrasound flow meter.

Started production of navigation instruments for the domestically produced YS-11 aircraft.

Established Tokyo Vickers Co., Ltd. as a mass production factory for hydraulic equipment.

Established Tokyo Keiki Inc. as a mass production factory for electronic application equipment and measuring instruments.

Changed the company name to Tokyo Instruments Co., Ltd. and established Tokyo Instruments Mechanics Co., Ltd. (now Tokyo Instruments Power System Co., Ltd.) as an assembly-only factory for hydraulic power units.

Developed radar warning devices independently for the F-4EJ main battle fighter, and started production of navigation computers for the same aircraft.

Developed radar warning system used in the F-4EJ fighter plane.

Developed radar warning devices for the F-4EJ main combat aircraft independently. Started production of navigation computers and other equipment for the same aircraft. Established Tokyo Measuring Instruments Calculation Center Co., Ltd. (now Tokyo Measuring Instruments Information System).

Established Daiichi Tokyo Instruments Co., Ltd. as a specialized factory for aircraft and ground electronic equipment.

Established First Tokyo Measuring Instruments Co., Ltd. as a specialized factory for aircraft and ground electronic equipment. Established Tokyo Measuring Instruments Aviation Co., Ltd. to handle parts and repair contract agency services for aerospace products.

Established First Tokyo Measuring Instruments Co., Ltd. as a specialized factory for aircraft and ground electronic equipment. Established Tokyo Measuring Instruments Aviation Co., Ltd. for parts and repair contract agency services for aerospace products.

Started manufacturing equipment for the F-15J main battle fighter.

Merged with First Tokyo Measuring Instruments Co., Ltd. to enhance production system and opened Nasu Plant (now Nasu Factory).

Absorbed and merged Shin Tokyo Instruments Co., Ltd., expanding operations in electronic application devices and measurement control devices, and established Yaita Plant (now Yaita Factory).

To expand operations in electronic application equipment and measurement control equipment, absorbed and merged with New Tokyo Measuring Instruments Co., Ltd., and opened Yaita Plant (now Yaita Factory).

Merged with Tokyo Vickers Co., Ltd. to strengthen hydraulic equipment production, established Sano Plant (now Sano Factory), and began manufacturing and selling inertial sensors for the FA field.

Entered the field of factory automation and construction equipment with a product line centered around inertial sensor technology.

Established Marine Traffic Department within the Electronics Division.

Established Techs Co., Ltd. (now Marine Equipment System Company) for parts sales and repairs of ship equipment.

Established Tanuma Plant as a dedicated assembly factory for large hydraulic system products.

Redeveloped the Kamata headquarters factory, establishing the headquarters and technology center, and founded Technoport Co., Ltd. (now Tokyo Instruments Technoport Co., Ltd.) and TECHNOPORT U.S.A., INC. (now TOKYO KEIKI U.S.A., INC.).

Constructed new head office building and R&D center.

Redeveloped the Kamata headquarters factory and established the headquarters and technology center. Established Technopart Co., Ltd. (now Tokyo Measuring Instruments Technopart Co., Ltd.). Established TECHNOPORT U.S.A., INC. (now TOKYO KEIKI U.S.A., INC.).

Changed the company name to Tokimec Co., Ltd., and established CIM factory at Tanuma Plant to diversify hydraulic solenoid valve production.

Changed the company name from Tokyo Keiki Co., Ltd. to TOKIMEC INC.

Renamed to TOKIMEC. Established CIM factory at Tanuma Plant to diversify hydraulic solenoid valve production.

Established Inano Plant as a research and development facility for aerospace electronic equipment.

Celebrated the 100th anniversary of its founding.

Celebrated 100th anniversary in operation.

Celebrated 100th anniversary in operation. Established TOKIMEC CONSTRUCTION SYSTEMS INC.(Present, TOKYO KEIKI CONSTRUCTION SYSTEMS INC.)

Established TOKIMEC CONSTRUCTION SYSTEMS INC. (Present, TOKYO KEIKI CONSTRUCTION SYSTEMS INC.)

Established Tokimec Rail Tech Co., Ltd., which conducts railway maintenance operations (now Tokyo Keiki Rail Tech Co., Ltd.). To promote the collection of various information and technical support in the United States, it made TECHNOPORT U.S.A., INC. a subsidiary, and renamed it TOKIMEC U.S.A., INC. (now TOKYO KEIKI U.S.A., INC.).

Established TOKIMEC RAIL TECHNO INC. (Present, TOKYO KEIKI RAIL TECHNO INC.)

Established TOKIMEC RAIL TECHNO INC.(Present, TOKYO KEIKI RAIL TECHNO INC.)

Established TOKIMEC Rail Tech Co., Ltd. (now Tokyo Measuring Instruments Rail Tech Co., Ltd.) to handle railway maintenance operations. Acquired TECHNOPORT U.S.A., INC. to promote information gathering and technical support in the U.S., renamed TOKIMEC U.S.A., INC. (now TOKYO KEIKI U.S.A., INC.).

Established TOKIMEC KOREA HYDRAULICS CO.,LTD (now TOKIMEC KOREA POWER CONTROL CO.,LTD.) as a sales, production, and service base for oil pneumatic equipment in the Korean market.

Established TOKIMEC KOREA HYDRAULICS CO., LTD. (now TOKIMEC KOREA POWER CONTROL CO., LTD.) as a sales, production, and service base for oil and air equipment in the Korean market.

Established TOKIMEC KOREA HYDRAULICS CO.,LTD. (Present, TOKIMEC KOREA POWER CONTROL CO., LTD.)

Established TOKIMEC KOREA HYDRAULICS CO.,LTD.(Present, TOKIMEC KOREA POWER CONTROL CO., LTD. )

Reformed the business division system, making the Control System Business Division the 1st Control Business Division and the 2nd Control Business Division. Also renamed the Electronic System Business Division to the Electronic Business Division, and the MRD Center to the Research and Development Center.

Established a new Marine Transportation Department in the Electronic Business Division.

Established Maritime Traffic Dept. in Electronics Systems Division.

Made Mocos Japan Co., Ltd. a consolidated subsidiary. Changed the company name to Tokyo Keiki Co., Ltd.

Restored TOKYO KEIKI corporate name.

Made MOKOS Japan Co., Ltd. a consolidated subsidiary. Changed company name to Tokyo Measuring Instruments Co., Ltd.

Formed business and capital alliance with Oval Co., Ltd. to expand fluid management business.

Electronic Systems Division establishes Sensing Control Systems Dept.

Established a sensor equipment division within the Electronics Business Department.

Aimed for full-scale entry into the overseas water business market, forming business alliances with Nagano Keiki Co., Ltd., Chino Corporation, and Oval Co., Ltd. To strengthen sales and services in the Chinese market, established Toki Keiki (Shanghai) Trading Co., Ltd.

Established Chinese subsidiary, TOKYO KEIKI(SHANGHAI) CO., LTD.

Aimed at full-scale entry into the overseas water business market, formed business alliances with Nagano Measuring Instruments Co., Ltd., Chino Co., Ltd., and Oval Co., Ltd. Established Toki Engineering (Shanghai) Trading Co., Ltd. to strengthen sales and services in the Chinese market.

Opened an overseas water business office in Singapore. Established TOKYO KEIKI PRECISION TECHNOLOGY CO., LTD. in Vietnam as a production base for hydraulic equipment for the Asian region.

Established Singapore Representative Office. Established TOKYO KEIKI PRECISION TECHNOLOGY CO., LTD hydraulic equipment manufacturing base in Vietnam.

Opened Singapore Representative Office. Established TOKYO KEIKI PRECISION TECHNOLOGY CO., LTD. in Vietnam as a production base for hydraulic equipment for the Asian region.

Established Singapore Representative Office. Established TOKYO KEIKI PRECISION TECHNOLOGY CO., LTD. in Vietnam as a hydraulic equipment manufacturing base.

Established Singapore Representative Office.

Established Tokyo Keiki Precision Technology Co., Ltd hydraulic equipment manufacturing base in Vietnam.

Reformed the traditional business division system into an in-house company system, reorganizing into five companies: the 1st Control Business, the 2nd Control Business, the Electronic Business, Marine Equipment Systems, Hydraulic Control Systems, Measurement Equipment Systems, Inspection Equipment Systems, and Electronic Systems.

Introduced company-based organizational structure.

Reorganized the traditional business division system into an in-house company system, restructuring into five companies: Control Business Division 1, Control Business Division 2, Electronic Business Division, Marine Equipment System, Hydraulic Control System, Measurement Equipment System, Inspection Equipment System, and Electronic System.

Separated the electronics business for the civil market from the Electronic Systems Company and established a new Communication Control Systems Company. Changed the Singapore office to a branch.

Commercial business spun off from Electronics Systems Company and established as Communication & Control Systems Company. Singapore Representative Office reorganized as a branch office, TOKYO KEIKI INC. SINGAPORE BRANCH. TOKYO KEIKI PRECISION TECHNOLOGY CO., LTD relocates to permanent facilities in Hi-Tech Park, Da Nang.

Separated the electronics system company’s commercial business for the civilian market and established the Communication Control Systems Company.

Spun off the commercial business from the Electronics Systems Company and established the Communication & Control Systems Company. Reorganized Singapore Representative Office into a branch office, TOKYO KEIKI INC. SINGAPORE BRANCH. Relocated TOKYO KEIKI PRECISION TECHNOLOGY CO., LTD. to permanent facilities in Hi-Tech Park, Da Nang.

Changed Singapore Representative Office to a branch.

Commercial business spun off from Electronics Systems Company and established as Communication & Control Systems Company.

Singapore Representative Office reorganized as a branch office, Tokyo Keiki Inc. Singapore Branch.

Tokyo Keiki Precision Technology Co., Ltd relocates to permanent facilities in Hi-Tech Park, Da Nang.

Opened a Taipei branch in Taiwan.

Opened an office in Vietnam.

Established a Quality Control Department.

Established a Sustainability Promotion Office.

Established the Heiwajima Business Office.

Relocated the headquarters to Haneda.