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               | History | Products | 
|---|---|
| 1917 Our predecessor company, Tokyo Denki Kogyo Co., Ltd., was established in Awaji-cho in Kanda, Tokyo, and began with the manufacture and sale of electrical equipment for medical applications and foundational electromechanical equipment | |
| 1918 Tokio Kobayakawa (the Company’s founder) established another predecessor company, the limited partnership Kyosan Shokai (from which “Kyosan” gets its name) in Sanjikkenbori in Kyobashi-ku, Tokyo. This began with the manufacture and sales of mechanical equipment. | |
| 1920 RelayJapan's First   | |
| 1921 Tokio Kobayakawa appointed Representative Director of Tokyo Denki Kogyo Co., Ltd. | 1921 Impedance bond   | 
| 1923 Tokyo Office established. | 1923 Automatic block signaling deviceJapan's First   Electromechanical interlockingJapan's First   | 
| 1925 
                     Railway crossing alarmJapan's First   
                     Electric point machine | |
| 1926 Company name changed to Kyosan Electric Manufacturing Co., Ltd. | 1926 Electric interlockingJapan's First | 
| 1928 Constructed and transferred corporate offices and factory to the present location.   Merged with the limited partnership Kyosan Shokai and with Nippon Electric Application Co., Ltd. (a manufacturer of transformers) |  | 
|  | 1931 
                    Automatic blocking device for single tacks 
                    Traffic signal   
                    Cuprous oxide rectifierJapan's First   Compact car (named Kyosan-go)   | 
| 1932 Trip arm type ATS deviceJapan's First Automatic Block Signalling System for Single Tracks
 Remote Control Device
 | |
| 1933 Relay interlockingJapan's First | |
| 1935 Osaka Satellite Office (currently Osaka Branch)established. | |
| 1936 CTC systemJapan's First  | |
| 1937 Car retarder (Freight car decelerator)Japan's First | |
| 1938 Systematic traffic signal controller | |
| 1942 Nagoya Satellite Office (currently Nagoya branch) established. | |
| 1947 Kyodo Kogyo Co., Ltd(currently Kyosan Seiki Co., Ltd. )established. | |
| 1949 Stock listed on the Tokyo Stock Exchange. | |
| 1950 Selenium rectifier  | |
| 1951 Time code type CTC equipment | |
| 1952 Kyushu Satellite Office (currently Kyushu branch) established. | |
| 1954 Type B cab warning device | |
| 1956 AF track circuit device | |
| 1958 Type A and C cab warning devices Multistage systematic traffic signal controller Silicon rectifierJapan's First  | |
| 1960 Machine tools exclusively for automotive factories. | |
| 1961 Stock listed on the first section of the Osaka Securities Exchange. Kyosan Metal Industry Co., Ltd. established. | |
| 1962 Kyosan Koji Co., Ltd. (currently Kyosan Electrical Construction & Engineering Service Co.,Ltd.)established. Tokyo Office transferred to the current location. | 1962 Type S ATS device Thyristor rectifier | 
| 1963 ATC system for the Tokaido Shinkansen Line   Crankshaft wrapping machine(Machine tool)   Constant Voltage Constant Frequency power supply
 | |
| 1964 Kyosan Kogyo Co., Ltd. established. | 1964 Automatic-response systematic traffic signal controllerJapan's First   | 
| 1965 Sendai Sales Office (currently Sendai Branch) established. | 1965 Programmed Traffic Control (PTC) system | 
| 1966 Car stopper | |
| 1967 Various types of ATS devices Transfer machine(Machine tool)  | |
| 1969 Total Traffic Control (TTC) system  | |
| 1970 Hiroshima Sales Office (currently Hiroshima Branch) established. | 1970 Ultrasound vehicle detector | 
| 1971 Sapporo Sales Office (currently Sapporo Branch) established. Taiwan Kyosan Co., Ltd. established in Taiwan. | |
| 1972 Shikoku Sales Office (currently Shikoku Branch) established. | 1972 Power supply for satellite communication earth stations Parking meter for street parking  | 
| 1973 ATC system for the Sanyo Shinkansen Line | |
| 1974 Computerized TTS system Wide area traffic control system Power supply for electronic exchanges (DEX) | |
| 1976 Destination announcement device | |
| 1977 Cab signal type ATC system Non-insulated track circuit device Skypower | |
| 1978 ATC systems for the Tohoku and
Joetsu Shinkansen lines Centrally monitored multistage systematic controller Miyakojima airport flight information display system (FIDS) | |
| 1980 Doppler type vehicle detector VVVF power supply Clear-up fuse | |
| 1981 Roadside type variable signboards Total management system for bus service Japan's First Signaling system for medium distance transit systems (for unattended train operation) World's First   | |
| 1982 
                       Computer-based CTC system for U.S. Amtrak 
                      Mule (railway car mover) 《JR Oi Plant》 | |
| 1984 
                  Partial ownership of Osaka Rectifier Co., Ltd., acquired; company become a Kyosan affiliate. | 1984 Electronic interlockingJapan's First   | 
| 1986 Solid state high voltage power supply Semi-free pattern type information panel controller LED traffic information display for traffic controlJapan's First   | |
| 1988 Train timetable creator Solid state RF power supply Centralized parking meter control systemJapan's First   | |
| 1989 High-Frequency Power Converter High-Voltage DC Power Supply Class-C Analog Control RF Generator Power supply for mobile communications Traffic control system to Shenzhen, China Signaling system for normal-conducting HSST maglev system《Yokohama Exotic Showcase:YES'89》Japan's First   | |
| 1990 Sueyoshi Office established. | 1990 K5B electronic interlocking equipment Vector control RF matcher Security system for magnetic continuous transportation system (CTM) 《The International Garden and Greenery Exposition (Expo '90)》   | 
| 1991 Smooth-braking ATC system(ME-type ATC equipment)   | |
| 1992 High-frequency induction heating power supply | |
| 1993 Capitalization increased to 6.27 billion
(amortization of bonds with preemptive rights completed) | 1993 Programmed Route Control (PRC) Optical train detector Multifunctional digital RF generator | 
| 1994 Multifunctional digital DC converter Eco-station for Electric Vehicles | |
| 1995 ISO 9001 certification granted to semiconductor division. | |
| 1996 ISO 9001 certification granted to Railway signal division and Traffic systems division (currently Traffic control systems division). | 1996 Electronic interlocking device for export | 
| 1998 Traffic control ITS equipment for Nagano Olympics APM signaling system for Hong Kong airport  Centralized electronic interlockingJapan's First  | |
| 1999 RF electronic matcher Non-destructive inspection device | |
| 2000 Matsue City bus locator system Partial-height platform screen door (Platform door)  Class-D 13.56MHz RF Generator (full-bridge class-D amplifier)  Power supplies for Shinkansen signaling systems  | |
| 2001 Microwave power supplies | |
| 2002 ISO14001 certified. | |
| 2003 Multi-function power supplies for communications devices Point machine attached to sleeper (TCK-1)World's First  | |
| 2004 Gap FillerWorld's First  | |
| 2005 Zama Factory established. Beijing Office established. | 2005 Digital DC Uninterruptible Power Supply (UPS)  Practical application of HSST
《Tobu Kyuryo Line》Japan's First  Level crossing barrier with no balance-weight
「2005 Good Design Awarded」 | 
| 2006 Thread lines and Space lights (Safeguards for passenger transfer area)  Left/Thread lines Right/Space lights | |
| 2007 Railway signaling system for Taiwan High Speed Rail  Autonomous distributed traffic control signal system road traffic signal controller Profile signal control system | |
|  | 2008 Traffic signaling system for the PMS system of
Singapore Changi International Airport Traffic signaling system for the IAT system of
Incheon International Airport Digital ATS (C-ATS) | 
| 2009 60MHz RF generator  Diffusing lens LED road traffic signal unit Signaling systems for APMs for Atlanta International Airport (ATL)  | |
| 2010 Taiwan Branch established. | 2010 Railway signaling system for the APM system of Minami International Airport  Touch system push button box  | 
| 2011 Signaling system for Kyushu Shinkansen Onboard intelligence type ATC equipment Miami International Airport (MIA) - signaling system for APM connecting with peripheral facilities Class-D 40.68MHz RF generator  | |
| 2012 Power supply load units for road traffic signals  | |
| 2013 Kyosan India Private Limited established. Completed construction on a new factory building equipped with solar generators on the Head Office premises  | 2013 Signaling system for Harbin Metro Line 1  Operation management and supervision system for Neiwan Line (Taiwan)  Uninterruptible power supply with three-phase,three-wire systemWorld's First (applicable to three-phase unbalanced power)  Advanced optical beacon  Road traffic signal controller with built-in power supply load unit | 
| 2014 Waterproof road traffic signal controllerJapan's First  Second-generation Class-D RF power supply  (with the world's smallest high-efficiency and large-capacity amplifier)  | |
| 2015 Kyosan USA Inc. established. | 2015 Operation monitoring system for Nagoya GuideWay-Bus
Received an award for “Outstanding Company for Contributing to the Promotion of Informatization” Signaling facility and platform screen doors for
Sendai Subway Tozai Line | 
| 2016 Completed construction on a new office building on the Head Office premises   | 2016 Transparent platform screen door  Signaling facility for Hokkaido Shinkansen Passenger information system for Shinjuku Expressway Bus Terminal「2016 Good Design Awarded」  | 
| 2017 Established a new ≪KYOSAN VISION≫, corporate logo, and corporate symbol to mark 100 years since the Company’s founding Provided donations to the Yokohama Science Frontier High School and Kanagawa Prefecture Tsurumi Police Station as part of commemorative social contribution efforts   corporate logo   corporate symbol to mark | 2017 Entry-Avoidance  System [Shika Fumikiri - Level Crossing System Preventing Deer  Collision Accidents (Deer-Collision Prevention System at Level Crossing)] CBTC System for New Transit Systems JR Shikoku new Telemeter System | 
| 2018 Received the 2018 Good Design Award for Keikyu Shinagawa Station train departure information display system | |
| 2019 Lightweight movable platform barriers (platform doors) | |
| 2020 Established Kyosan Europe Sp. z o.o. Completed construction on a R&D center on the Head Office premises  | |
| 2021 Dual Mode Vehicle (DMV) operation security system World's First | |
| 2022 Medium-Term Management Plan 2025 begins Stock listed on the Prime Market of the Tokyo Stock Exchange | 
 
	
		
		