| 1912 |
∙ |
Hitachi, Ltd. began research into electrical insulating materials for electrical machinery. This is the origin of Hitachi Chemical. |
| 1952 |
∙ |
Hitachi Insulating Materials Works (currently Yamazaki Works) of Hitachi, Ltd. became independent from Hitachi Works. |
| 1961 |
∙ |
Shimodate Sub-factory of Hitachi, Ltd. become independent as Shimodate Works. |
| 1962 |
∙ |
Hitachi Chemical Co., Ltd. was established as a separate entity. |
| 1963 |
∙ |
Began business by taking over the assets of the Chemical Products Division of Hitachi, Ltd. |
| 1965 |
∙ |
Spun off Kanagawa Works (condenser division) to form Hitachi Condenser Co., Ltd. (currently Hitachi Chemical Electronics Co., Ltd.) |
| ∙ |
Established Sakuragawa Works. |
| 1968 |
∙ |
Spun off Matsudo Works (powdered metal division) to form Hitachi Powdered Metals Co., Ltd. |
| ∙ |
Established Ishigami Branch Works (currently Katsuta Works). |
| 1969 |
∙ |
Established Yuki Works (currently Yuki Works of Housetec Inc.). |
| 1970 |
∙ |
Listed shares on the second section of the Tokyo and Osaka stock exchanges. |
| 1971 |
∙ |
Listed shares on the first section of the Tokyo and Osaka stock exchanges. |
| 1973 |
∙ |
Established Ibaraki and Shimodate Research Laboratories and Goi Works. |
| 1974 |
∙ |
Headquarters moved from Tokyo's Chiyoda Ward to Shinjuku Ward. |
| 1980 |
∙ |
Established Shimodate Works II (currently Goshomiya Works). |
| 1986 |
∙ |
Established Minamiyuki Works and Tsukuba Research Laboratory. |
| 1990 |
∙ |
Established Kashima Works. |
| 1994 |
∙ |
Merged Sakuragawa Works into Yamazaki Works. Merged Minamiyuki Works into Shimodate Works. |
| 1995 |
∙ |
Spun off Goshomiya Works from Yuki Works. |
| 1999 |
∙ |
Merged Tsukuba, Ibaraki, and Shimodate Research Laboratories into one centralized R&D Center. |
| 2000 |
∙ |
Merged Kashima Works into Yamazaki Works. |
| 2001 |
∙ |
Hitachi AIC Inc. became a wholly-owned subsidiary of Hitachi Chemical Co., Ltd. |
| ∙ |
Spun off Housing Equipment and Environmental Facilities Division to form Hitachi Housetec Co., Ltd.(currently Housetec Inc.). |
| 2003 |
∙ |
Adopted a "Company with Committees System". |
| 2005 |
∙ |
Reorganized of Research & Development Center into High Performance Materials R&D Center, Electronic Materials R&D Center and Advanced Materials R&D Center. |
| 2008 |
∙ |
Excluded the housing equipment and environmental facilities business from the Group business by the sales of shares of Hitachi Housetec Co., Ltd.(currently Housetec Inc.). |
| · |
Hitachi Powdered Metals Co., Ltd. became a wholly-owned subsidiary of Hitachi Chemical Co., Ltd. |
| · |
Reorganized of Research & Development Center into Advanced Materials R&D Center and New Applied Materials R&D Center. |
| 2009 |
· |
Absorbed Nikka Equipment & Engineering Co., Ltd. |
| · |
Reorganized of Research & Development Center into Tsukuba Research Laboratory. |
| 2010 |
· |
Merged Goshomiya Works into Shimodate Works. |
| · |
Transfer of the sales, business planning and R&D divisions from Hitachi Powdered Metals Co., Ltd. |