1900s
1963
Ichikawa Electric Co., Ltd. founded in Kodaira-shi, Tokyo as an industrial transformer manufacturing company

1966
Gunma Factory opened(currently Takasaki City, Gunma Prefecture),strengthening transformer manufacturing capability

1972
River Electronics Industry Co., Ltd. established
1973
Head office building completed Ichikawa Electric Head Office(Kodaira City, Tokyo) and River Electronics Industry Co., Ltd. (Tokyo Factory) relocated

1975
Manufacturing of CVT-style direct collection stable power supply launched

1980
Head office relocated to Hamura-shi, Tokyo Manufacturing of industrial measuring instruments launched

1984
Company name changed to Ichikawa Electric Co., Ltd.

1985
Expanded head office building Strengthened electronic equipment production
1989
Manufacturing of railway vehicle inverter control devices launched at the Gunma Factory
1990
Gunma Factory Expansion and Renovation

1991
Tokyo Factory introduces PWB surface mount equipment*
*PWB: Printed Wiring Board
*PWB: Printed Wiring Board

1994
Tokyo Factory expands PWB surface mount equipment (SMT line)*
*SMT: Surface Mount Technology
*SMT: Surface Mount Technology

1997
Tokyo factory PWB surface mounting equipment (SMT line) expansion
1998
Mizuho Factory opened
Strengthened control panel manufacturing capabilities
Strengthened control panel manufacturing capabilities

Continuing into the 2000s
2000s
2000
ISO 9002 certification acquired for the Tokyo Factory
(certification body: KPMG)
(certification body: KPMG)
2001
Large-scale transformer manufacturing project launched in collaboration with Korea’s Yamaichi Electronics

2002
Sales of vacuum tube stereo amp kits launched
Transformer manufacturing collaboration with China’s Shanghai Huayin Electric Appliance launched
Transformer manufacturing collaboration with China’s Shanghai Huayin Electric Appliance launched
2003
ISO 9001:2000 expanded certification acquired for the Tokyo Factory (certification body: KPMG)
Strengthened China domestic partnership strategy in collaboration with China’s Wujiang JANA Electronics
Strengthened China domestic partnership strategy in collaboration with China’s Wujiang JANA Electronics

2004
Lead-Free Soldering Equipment Introduced at the Tokyo Factory
Transformer manufacturing launched in collaboration with China’s Shanghai Openic Electronics
Transformer manufacturing launched in collaboration with China’s Shanghai Openic Electronics

2005
ISO 14000 certification acquired (certification body: KPMG)
Installed X-ray inspection equipment at the Tokyo Factory for Japan Inspection QA
Launched transformer manufacturing authorization and commercial product manufacturing in collaboration with China’s Shanghai Huayin
Installed X-ray inspection equipment at the Tokyo Factory for Japan Inspection QA
Launched transformer manufacturing authorization and commercial product manufacturing in collaboration with China’s Shanghai Huayin
2006
X-ray inspection equipment introduced at the Tokyo Factory

Large-scale constant temperature bath for system testing installed at the Gunma Factory

2007
New PWB surface mounting line (SMT line) installed at Tokyo Factory

2008
Mizuho Factory expanded
Space expanded at the Gunma Factory
Power unit for vehicle use launched
Nishitama Electronics established as an affiliated company
Transformer manufacturing launched in collaboration with China’s Longsheng Electric
Space expanded at the Gunma Factory
Power unit for vehicle use launched
Nishitama Electronics established as an affiliated company
Transformer manufacturing launched in collaboration with China’s Longsheng Electric

2009
Automated soldering devices introduced at the Tokyo Factory
Manufacturing of electronics equipment launched in collaboration with China’s Aidianke Electronic Technology Co., Ltd.
Transition audit to ISO 9001:2008 completed
Manufacturing of electronics equipment launched in collaboration with China’s Aidianke Electronic Technology Co., Ltd.
Transition audit to ISO 9001:2008 completed

2010
Shanghai Shichuan Electric Technology Co., Ltd. established as an affiliated company

2011
Established a dedicated plant for exclusive Ichikawa use at China’s Longsheng Electric

2013
50th Anniversary Commemorative Magazine “50 Years of Progress” Published

2014
Management integration of affiliated company Sakai Electric Co., Ltd.

2016
JMAG Users Conference 2016 announcement of the advanced digital technology used in the development process for high-frequency low-noise transformers

2017
Large-scale constant temperature bath introduced at the Gunma Factory

3D external measurement devices introduced at the Tokyo Factory

2019
IoT conversion promotion office established

2020
Selected as one of the “Companies Driving Regional Growth” by the Ministry of Economy, Trade and Industry (METI)

Selected as one of the “300 Outstanding Small and Medium Enterprises & Small Businesses” by the Small and Medium Enterprise Agency, Ministry of Economy, Trade and Industry (METI)

2021
Tokyo Metropolitan Industrial Technology Research Institute open call for joint research

2022
Exhibited at CEATEC2022

Awarded the “Tokyo Governor's Award for Outstanding Small and Medium Enterprise (SME) Skilled Workers”

2023
Exhibited at CEATEC2023

Assembly guidance system introduced on TV Asahi’s “Tokyo Site”

2024
Ichikawa logo and cloud logo trademarks registered
Registration No. 6841974
Registration No. 6841975
Registration No. 6841993
Registration No. 6860591
Registration No. 6841974
Registration No. 6841975
Registration No. 6841993
Registration No. 6860591

2025
New PWB surface mounting line (SMT line) installed at Tokyo Factory
