Founded as a crystal oscillator manufacturer in Kofu Yamanashi

1946November

Along with expansion of business, organization changed to Koike CO., LTD.
Relocated head quarters to Tamaho Yamanashi (present Chuo city)

1983November

Constructed a new factory in Tamaho Yamanashi
Relocated head quarters to the new site

1988September

Certificated ISO9002

1998October

Expanded a new factory with a clean room

2000July

Migrated to ISO9001：2000

2003October

Certificated ISO14001

2004May

Awarded "Excellent SMEs and Micro Enterprises Selection 300". by the METI

2006April

Along with expansion of business, relocated head quarters to Showa Yamanashi

2008December

Awarded "Yamanashi Industry Award"

2013November

Orix Group acquired 100% of the Company's shares.
Become a consolidated subsidiary of ORIX Group.

2017March

Awarded "Global Niche Top Selection 100". by the METI

2020June