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- History of Kyosan Electric Manufacturing Company
- Overall Chronology
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| Name of an Era | Company History | Product Chronology | ||
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| 1980 |  Doppler type vehicle detector VVVF power supply Clear-up fuse |
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| 1981 | Roadside type variable signboards Comprehensive bus transportationmanagement system  Signal security device for mediumdistance transportation systems (automated operation)  Signal security device for new medium volume transportation systems (automated operation)  Signal security device for new medium volume transportation systems (automated operation) |
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| 1982 | Computer-based centrally controlled train control device for Amtrack (U.S. railroad company) Mule (railway car mover) JR Oi Plant |
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| 1983 | Kyosan System Co., Ltd. established. | Type A centrally controlled traffic signal High-frequency power converters |
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| 1984 | Partial ownership of Osaka Rectifier Co., Ltd., acquired; company become a Kyosan affiliate. |
Electronic interlocking equipment |
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| 1985 | Swiss franc convertible bonds issued. | Ultra-high-voltage rectifier | ||
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| 1986 | Solid state high voltage power supply Semi-free pattern type information panel controller LED signboard for traffic control LED signboard for traffic control |
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| 1987 | Centralized control system for parking meters |
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| 1988 | Swiss franc convertible bonds issued with preemptive rights. | Train timetable creator Solid state RF power supply |
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Normal-conducting maglev Hight Speed Surface Transport (HSST)control device (Yokohama Exotic Showcase:YES'89)  Normal-conducting maglev Hight Speed Surface Transport (HSST)control device (Yokohama Exotic Showcase:YES'89) |
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| 1989 | Power supply for mobile communications Export of traffic control system toShenzhen, China |
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| 1990 | Sueyoshi Office established. | Vector control RF matcher Security system for magnetic continuous transportation system (CTM) The International Garden and Greenery Exposition (Expo '90) |
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| 1991 | Digital ATC system | |||
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| 1992 | High-frequency induction heating power supply |
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| 1993 | Capitalization increased to 6.27 billion (amortization of bonds with preemptive rights completed). |
Programmed route control (PRC) Optical train detector Multifunctional digital RF generator |
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| 1994 | Multifunctional digital DC converter Eco-station for electric automobiles |
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| 1995 | ISO 9001 certification granted to semiconductor division. |
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| 1996 | ISO 9001 certification granted to Railway signal division and Traffic systems division (currently Traffic control systems division). |
Electronic interlocking device for export | ||
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| 1998 | Traffic control ITS equipment for Nagano Olympics APM signal system for Hong Kongairport Integrated electronic interlockingequipment |
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| 1999 | RF electronic matcher Non-destructive inspection device |
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