- 1978
-
Ichimaru-Giken Co., Ltd. was established in Kurume city, Fukuoka.
- 1979
-
Company moved to Chikugo city, Fukuoka.
- 1993
-
Completed and move to No.1 factory in Chikugo city.
- 1995
-
Completed No.2 factory.
- 1997
-
Expanded No.2 factory.
- 1999
-
No.3 factory completed.
Took on Oil-Hydraulic department of RIX Corporation, and began manufacture of high- pressure oil hydraulic equipment. - 2003
-
Completed No.4 factory.
- 2006
-
Completed No.5 factory.
- 2017
-
Hironobu Ichimaru took office as President & CEO.
Management philosophy was defined. - 2018
-
Culture Book was created.
40th Anniversary Ceremony was held.
Completed No.6 factory. - 2019
-
Acquisition of ISO 9001 and ISO 14001 Certification.
Company name changed to ""ROCKY-ICHIMARU Co., Ltd."". - 2022
-
Reorganized the functional organization into a divisional organization
Shinei Seiko Co., Ltd. became a wholly-owned subsidiary
Renewed the Corporate Philosophy - 2023
-
-
Published the book “At the Top of Niche”
WinTech LLC became a wholly-owned subsidiary
KONNOPRO Co., Ltd. became a wholly-owned subsidiary
