| 1974年04月 |
Ishikawajima Inspection Service Co., Ltd. (IKS) was spun off from Ishikawajima-Harima Heavy Industries Co., Ltd. (IHI). |
| 1977年04月 |
Ishikawajima Measuring Service Co., Ltd. (IMS) was spun off from IHI. : Yokohama Division of IMS was established (currently Isogo Division). |
| 1977年04月 |
Kure Branch Office of IKS was established. |
| 1977年12月 |
Head Office of IKS was established and moved to 22-13, Ohi-1-chome, Shinagawa-ku, Tokyo (current Head Office). |
| 1978年04月 |
Yokohama Division of IKS was established. |
| 1979年05月 |
Aioi Division of IKS was established (current Aioi Division). |
| 1979年12月 |
Aichi Division of IKS was established (current Aichi Division). |
| 1982年04月 |
Ishikawajima Inspection & Instrumentation Co., Ltd. (IIC) was created as a result of the merger of IKS and IMS. |
| 1983年04月 |
Yokohama Division was separated into two: No. 1 Yokohama Division and No. 2 Yokohama Division (currently Kanazawa Division). |
| 1991年07月 |
Paid-up capital was increased to ¥220,000,000. |
| 1993年01月 |
Kasumigaura Division was opened. |
| 1998年04月 |
Electronic Equipment Division was newly set up in Tsuchiura, Ibaraki Pref., transferred from IHI to cope with the engineering and manufacturing of inspection equipment for semiconductors and liquid crystal display. |
| 1999年04月 |
The 25th anniversary of IIC's foundation was celebrated. |
| 1999年06月 |
Participated in the foundation and operation of IHI Southwest Technologies, Inc., (ISwT), San Antonio, Texas, USA for NDI assessment services together with IHI. |
| 2000年10月 |
Most of the Inspection Division and Instrumentation Division was relocated and integrated with the Kanazawa Division in Yokohama. |
| 2001年04月 |
Research & Development Division for supporting IHI's experimental work was newly set up and separated from IHI's Technical Research & Development Division. |
| 2001年06月 |
Formed a collaborative arrangement with China Xian Import & Export : Commodities Inspection Corp. (CCIC) in order to integrate the inspection : service business in China. |
| 2002年04月 |
All activities of Electronic Equipment Division were shifted to IHI and Tsuchiura Division was closed. |
| 2003年08月 |
Acquired all stocks of Takashima Giken Co., Ltd. (TGK), making TGK a wholly owned subsidiary of IIC. |
| 2004年04月 |
Aichi Division joined the West Japan Divisions. |
| 2004年07月 |
Research & Development Division acquired facility-automation services and ultra-precision machining business from IHI's Technical Research & Development Division. |
| 2008年07月 |
The company name is changed from "Ishikawajima Inspection & Instrumentation Co., Ltd." to "IHI Inspection & Instrumentation Co., Ltd.". |
| 2009年07月 |
Merged Kasumigaura, Kanazawa Division and a part of Isogo Division into Fukuura Division. Fukuura Division is located at 6-17, Fukuura-2-chome, Kanazawa-ku, Yokohama City, Kanagawa Pref., which accommodates Technical Research & Development Center and Inspection Divisions, Instrumentation Divisions and System Equiment Divisions. |
| 2010年02月 |
Acquired Container Inspection System business from IHI. |
| 2010年03月 |
Succeeded all businesses of JAPS CORPORATION Co., Ltd. and was opened as Toyota Division accommodating JAPS Division in Toyota City, Aichi Pref. . |
| 2012年04月 |
Research & Development Divisions was reorganized into Experiment Project Department. Some activities related to supporting experiments were shifted to IHI. : West Japan Divisions was restructured into Inspection Divisions and Instrumentation Divisions. Some of factory inspection activities were shifted to IHI. |
| 2013年04月 |
Experiment Project Department was reorganized into Instrumentation Divisions and System Equipment Divisions. |
| 2013年08月 |
Head office was moved from Tokyo to Yokohama. |
| 2013年10月 |
Succeeded Control System Divisions from IHI Scube Co., Ltd. |
