1966
Dec
Established IRISO Electronics Co., Ltd. in Shimonumabe, Kawasaki-shi, Kanagawa.
1973
Apr
Developed wrapping pins whereby wire is wrapped around to make a connection on a PCB, and began producing and selling them.
1975
Jan
Developed jumper pins which connect circuits on the parts side of PCBs, and began producing and selling them.
Dec
Started manufacturing and selling pin headers (male connectors) that expand connection patterns by combining the resin part with the pin.
1977
Jan
Developed check pins which check a PCB's behavior on itself, and began producing and selling them.
May
Moved the headquarters office and plant to Takatsu-ku, Kawasaki-shi, Kanagawa.
Sep
Developed connector pins with a tapered tip, and began producing and selling them.
1978
Dec
IRS (S) PTE LTD is established in the Republic of Singapore for the purpose of manufacturing and selling various pins and multi-pole connectors.
1980
Mar
Established IRS PRECISION Co., Ltd. in Nakahara-ku, Kawasaki-shi, Kanagawa for producing and selling precision metal machining equipment.
1981
Nov
Opened Osaka Sales Office in Daito-shi, Osaka. (Moved to Chuo-ku, Osaka in February, 1990.)
1982
Jul
Began producing and selling jumper connectors which have a switching function, and made a full-scale entry into the connector field.
1983
Nov
Changed the name from IRS Precision Co., Ltd. to Ibaraki IRISO Electronics Co., Ltd., and transferred the headquarters from Nakahara-ku, Kawasaki-shi, Kanagawa to Omiya-machi, Naka-gun, Ibaraki (present Ibaraki Plant) at the same time.
1986
Feb
Opened Higashikanto Sales Office in Omiya-machi, (now Hitachi Omiya-shi), Naka-gun Ibaraki.
Jul
Opened Tohoku Sales Office in Mizusawa-shi (now Oshu-shi), Iwate.
1987
Dec
Started manufacturing and selling Board to Board Connector connectors that connect printed circuit boards
1989
Jan
Began producing and selling connectors for flexible printed circuits (FPC connectors) that connect flexible PCBs.
1992
Jan
Opened Philippines Office in Makati, Metro Manila, Philippines.
(Moved to Muntinlupa, Metro Manila in June, 1999.)
1993
Jan
Opened Hong Kong Sales Office in Hong Kong.
Jun
Shanghai Yilisou Electronics Co., Ltd. is established in Shanghai, People's Republic of China for the purpose of manufacturing various pins and multi-pole connectors.
1994
Apr
Established in Chicago, Illinois, USA, for the purpose of selling various pins and multi-pole connectors. IRISO USA, INC. Established
(Moved to Michigan in August 2004)
Sep
Registered over-the-counter stock with the Securities Dealers Association of Japan(present Tokyo Stock Exchange JASDAQ Market).
Dec
Opened Europe Sales Office in Brussels, Belgium.
1995
Feb
Opened Thailand Office in Bangkok, Thailand.
1996
Jan
IRISO ELECTRONICS PHILIPPINES, INC. established in Cavite, Philippines
Mar
Opened Europe Sales Office Germany Liaison Branch in Germany.
Apr
Opened Singapore Sales Office in Singapore.
Jun
Obtained ISO 9001 certification.
1998
Sep
IRISO Components Co., Ltd. was established in Takatsu Ward, Kawasaki City, Kanagawa Prefecture.
1999
Oct
Established
IRISO Electronics Singapore PTE. Ltd.
in Tuas, Singapore.
(The operation of Singapore Sales Office was transferred.)
Nov
In Hong Kong IRISO ELECTRONICS(HONG KONG)LIMITED Established
(Hong Kong Sales Office operations transferred)
2000
Apr
In the Federal Republic of Germany IRISO Electronics Europe GmbH Established
(Transfer of the European Sales Office and the German Liaison Office of the European Sales Office)
Sep
Obtained QS 9000 certification.
Oct
Established Yilispeed (Shanghai) Trading Co., Ltd. in Shanghai, People's Republic of China.
Nov
Obtained ISO14001 certification
2002
Apr
IRS (S) PTE LTD and IRISO ELECTRONICS SINGAPORE PTE., LTD. are combined to form a sales subsidiary.
(The company name will be IRS (S) PTE LTD and the functions of IRISO ELECTRONICS SINGAPORE PTE., LTD. will be transferred.)
Nov
Opened Dalian Office of Yilispeed (Shanghai) Trading Co., Ltd. in Dalian, People's Republic of China.
2003
Mar
in Bangkok, Thailand Iriso Electronics (Thailand) Ltd. Established
(Transfer of operations from the Thailand office)
2004
Mar
Increased capital to 2,240,250,000 yen
Jun
Opened the Tianjin Branch of Yilispeed (Shanghai) Trading Co., Ltd. in Tianjin, People's Republic of China.
Sep
Opened Chubu Sales Office in Nagoya-shi, Aichi
2005
May
Established Suzhou Branch of Yilispeed (Shanghai) Trading Co., Ltd. in Suzhou City, People's Republic of China.
Jun
Opened IRISO Electronics(HK)Ltd.Korea Branch Office in Korea.
Nov
Increased capital to 3,490,230,000 yen.
2006
Aug
Opened IRISO Electronics(HK)Ltd.Taiwan Branch Office in Taiwan.
Nov
IRISO ELECTRONICS VIETNAM CO., LTD. established in Hanoi, Socialist Republic of Vietnam
2007
Jan
Increased capital to 5,398,000,00 yen.
Feb
Increased capital to 5,640,050,00 yen.
Dec
Located in Shin-Yokohama, Kohoku Ward, Yokohama City, Kanagawa Prefecture IRISO Technology Park Completion
Accordingly, the head office functions were relocated to the same facility.
Located in Takatsu Ward, Kawasaki City (former head office site) Production Technology Development Center Established
2008
Aug
Established Yilispeed (Shanghai) Electronic Technology Research Co., Ltd. in Shanghai, People's Republic of China.
2010
Dec
EstablishedIRISO Electronics Co.,Ltd. India Liaison Office in Bangalore , India
2011
Jun
Opened the Chongqing Branch of Yilispeed (Shanghai) Trading Co., Ltd. in Chongqing, People's Republic of China.
2013
Feb
US sales company opens Atlanta office
2016
Jun
Listed in the First Section of the Tokyo Stock Exchange, transferred from JASDAQ (Standard)
Sep
Established Nantong Yili Speed Electronics Industry Co., Ltd. in Nantong City, Jiangsu Province, People's Republic of China.
2022
Apr
S.G.D. Co., Ltd. becomes a wholly owned subsidiary through a stock transfer, and the company name is changed to IRISO Engineering Co., Ltd.
Moved from the First Section of the Tokyo Stock Exchange to the Prime Market
2024
Jan
Merged with IRISO Engineering Co., Ltd.
2025
Apr
Akita Plant opened in Yokote City, Akita Prefecture