| 1955 |
Koyo Electronics Co., Ltd. is founded to commence manufacturing and selling portable radios. |
| 1959 |
Koyo Electronic Industries Co., Ltd. is founded. |
| 1960 |
Builds a new plant in Kodaira, Tokyo and relocates the head office. |
| 1961 |
Commences manufacturing and sales of proximity switches and decatron counters |
| 1962 |
Commences manufacturing and sales of electronic counters, electronic timers, non-contact relays and CCTV cameras |
| 1963 |
Commences manufacturing and sales of photoelectric sensors |
1967
|
Commences manufacturing and sales of rotary encoders |
| 1971 |
Commences manufacturing and sales of the KUS Series process step sequencer |
1978
|
Devises an innovative Stage type programming for incorporation into the KOSTAC-SA programmer controller |
| 1982 |
Commences manufacturing and sales of the SA/SR-20 Series and the SA/SR-400 Series modular PLCs Commences OEM supply of the SR-20 Series to US-based General Electric |
1983
|
Forms a mutual sales partnership with Pepperl + Fuchs , a manufacturer of proximity switches |
| 1984 |
Builds a new plant in Oizumi, Yamanashi Prefecture |
1985
|
Wins a Good Design Award for the SR-10 and SR-20 PLCs |
| 1989 |
Commences manufacturing and sales of the SU Series middle-size PLCs. Sets up Huaguang Electronics Industries Co., Ltd., in China |
1992
|
Commences manufacturing and sales of rotary encoders for servo motors |
| 1994 |
Sets up PLC DIRECT BY KOYO (currently, AutomationDirect.com) in the United States for mail order sales of PLCs Commences manufacturing and sales of the SZ Series ultra-small modular PLCs |
1995
|
Certification in quality management standard ISO 9001 obtained for FA products |
| 1997 |
Sets up Yan Guang Electronics Wuxi Co., Ltd.,in China.
Commences manufacturing and sales of Visual Scope, software for HMIs |
1999
|
Commences manufacturing and sales of the DL470 personal computers for industrial purposes |
| 2000 |
Commences manufacturing and sales of the InfoJet interfaces powered by Windows CE |
2001
|
Certification in environmental management system standard ISO 14001 obtained for Kodaira and Oizumi plants.
Sets up Koyo Electronics Wuxi Co., Ltd., in China.
Sets up Taiwan Koyo Electronics Industries Co., Ltd., in Taiwan |
| 2002 |
Sets up Koyo Encoder, Inc. in the United States |
2003
|
Commences manufacturing and sales of the BabyJet boxed computers |
| 2005 |
Commences manufacturing and sales of the ViewJetCmore programmable displays.
Celebrates the 50th anniversary of the foundation in November |