| 1947 |
1947–1956 |
| 1947-11 |
Founded as Harima Chemical Industry Co., Ltd. (now in Kakogawa, Hyogo Prefecture) |
| 1952-01 |
Commenced trial production of toluidine oil |
| 1958-10 |
First domestic toluidine oil distillation plant completed |
| 1972-01 |
Established Harima M.I.D. Co., Ltd. (now Harima M.I.D. Co., Ltd.) |
| 1973-08 |
First world fully closed-loop toluidine oil distillation plant completed |
| 1974-08 |
Established Harima do Brasil Indústria Química Ltda. (Brazil) |
| 1980-02 |
Established Harima USA, Inc. |
| 1983-03 |
Established the Shōrai Science and Technology Promotion Foundation |
| 1985-11 |
Listed on the Second Section of the Osaka Stock Exchange |
| 1989-03 |
Listed on the Second Section of the Tokyo Stock Exchange |
| 1990-04 |
Name changed to Harima Chemical Co., Ltd. |
| 1990-09 |
Reclassified to the First Section of both the Tokyo and Osaka Stock Exchanges |
| 1995-05 |
This is a memoir of Harima Chemical's founder, Sumi Yoshihiro Hasegawa, summarizing what he wishes to pass on to future leaders as a business owner. : > Shōrai (Shōrai) and first here |
| 1996-04 |
100% invested in and fully acquired Plasmine Technology, a U.S. company |
| 1997-11 |
50th anniversary of founding |
| 1999-06 |
ISO 9001 certification obtained company-wide |
| 2000-06 |
ISO 14001 certification obtained (Kakogawa plant) |
| 2002-04 |
ISO 14001 certification obtained (Fuji plant) |
| 2002-08 |
Electronic materials manufacturing equipment completed (Kakogawa plant) |
| 2003-12 |
Established Harimatec Malaysia Sdn. Bhd. |
| 2004-06 |
ISO 14001 certification obtained (Tokyo plant) |
| 2005-03 |
Biomass power plant using by-products from toluidine oil distillation as fuel (4,000 kW output) commenced operation (Kakogawa plant) |
| 2006-06 |
ISO 14001 certification obtained (Ibaraki plant) |
| 2007-03 |
Nanning Harima Chemical Co., Ltd. (now LAWTER Nanning) commenced operations (China) |
| 2008-12 |
Georgia-Pacific Chemicals' lignin sizing agent business was acquired by its U.S. subsidiary Plasmine Technology |
| 2009-10 |
Acquired Japan Filametals Co., Ltd. as a subsidiary |
| 2011-01 |
Acquired lignin-related business of U.S. chemical company Momentive Specialty Chemicals and operated it as LAWTER |
| 2011-02 |
Dongguan Hangha Harima Paper Chemicals Co., Ltd. commenced operations (China) |
| 2012-10 |
Name changed to Harima Chemical Group Co., Ltd. (holding company), and newly established Harima Chemical Co., Ltd. inherited the business |
| 2014-11 |
Nanoparticle plant completed (Kakogawa plant) |
| 2014-12 |
Takashima Iho Solar Power Plant completed (Takashima City, Hyogo Prefecture) |
| 2015-12 |
Trial operation of SunPine's (Sweden) toluidine production equipment commenced |
| 2016-06 |
SunPine's toluidine production equipment entered full operation, establishing an annual production capacity of 20,000 tons |
| 2018-11 |
Additional shares of SunPine (Sweden) acquired |
| 2018-12 |
Shandong Hangha Harima Chemical Co., Ltd. commenced operations (China) |
| 2020-03 |
Takashima Fragrance Industry Co., Ltd. invested in LAWTER |
| 2022-01 |
Acquired Harima Foods Co., Ltd. as a subsidiary |
| 2023-03 |
Mizusaki Gakei Solar Power Plant completed (Kakogawa City, Hyogo Prefecture) |
| 2023-04 |
Milcent Plant completed (Kakogawa plant) |
| 2024-04 |
Fully acquired Hangzhou Hangha Harima Chemical Co., Ltd. |
| 2024-06 |
Shares of Harima do Brasil Indústria Química Ltda. (Brazil) transferred to Brazilian employees |
| 2025-02 |
Toluidine distillation pilot plant recognized as a chemical heritage by the Japanese Chemical Society |
