| Year | Detail |
| 1926 |
Toray Industries Inc. was founded as Toyo Rayon Co. Ltd. |
| 1941 |
Toyo Rayon Co. Ltd. succeeded in synthesis and melt spinning of nylon 6 fiber (Shiga). The fiber was named "AMILAN" the following year. |
| 1941 |
The company established the Aichi Plant. |
| 1944 |
It acquired Showa Industry Co. Ltd. (now Toray Fine Chemicals Co., Ltd.) |
| 1951 |
Toyo Rayon established the Nagoya Plant and started production of Nylon 6. |
| 1953 |
The company established Toyo Nylon Knit Products (now Toray Textiles Inc.) and started Marketing AMILAN nylon resin. |
| 1956 |
The company has established Central Research Laboratories in Shiga. |
| 1960 |
Established Okazaki Plant, Toyo Construction Co., Ltd. (now Toray Engineering Co., Ltd.), and Toyo Rayon Science Foundation (now the Toray Science Foundation). |
| 1963 |
The company established Thai Toray Textile Mills Co., Ltd. (now Thai Toray Textile Mills Public Company Limited) and Toray Nylon Thai Co., Ltd. (now Thai Toray Synthetics Co., Ltd.) in Thailand. |
| 1966 |
Toray Silicone Co. Ltd. (Now Dow Toray Co., Ltd. and DuPont Toray Specialty Materials K.K.) was established as a result of equal investment by Toyo Rayon and Dow Corning in the U.S. |
| 1971 |
It Established P.T. Indonesia Toray Synthetics in Indonesia, Tokai Plant, and Gifu Plant. Test production of TORAYCA carbon fiber started in Shiga. |
| 1973 |
The company Established Nan Sing Dyeing Works (Malaysia) (now Penfabric Sdn. Berhad). |
| 1978 |
Toray Research Center Inc. was established. |
| 1980 |
Toray Medical Co. Ltd. was established. Production of ROMEMBRA reverse-osmosis membrane elements began in Shiga. |
| 1982 |
The company established Toray Industries Inc. in Seoul, Toray Construction Co. Ltd.and also it established Societe des Fibres de Carbone S.A. (SOFICAR) (now Toray Carbon Fibers Europe S.A.) in France to manufacture and market carbon fibers in Europe. |
| 1988 |
Toray International Division was established to perform company-wide international strategies. The Affiliated Companies Division was established to centrally manage affiliated companies in Japan. |
| 1990 |
Established Toray Industries Inc. Europe Office (now Toray Industries Europe GmbH in Germany) in the U.K. and Toray Plastics (Malaysia) Sdn. Berhad. |
| 1992 |
Toray Composite (America) Inc. was established. |
| 1995 |
It established STEMCO Ltd. In South Korea, Toray Fibers (Nantong) Co. Ltd. in China and Toray Philosophy system. |
| 2000 |
Toray Advanced Computer Solution Inc. was established. |
| 2002 |
The company Acquired fluorofiber business of Du Pont and established Toray Fluorofibers (America) Inc. in the U.S. and Toray Fibers & Textiles Research Laboratories (China) Co. Ltd. established in China. |
| 2004 |
Toyo Metalizing Co. Ltd. and Toray Plastic Films Co. Ltd. merged to form Toray Advanced Film Co. Ltd. Suido Kiko Kaisha Ltd. and Chori Co. Ltd. became consolidated subsidiaries. |
| 2009 |
Toray established Automotive & Aircraft Center in Nagoya. It also Started operation of a new carbon-fiber prepreg facility at the Ishikawa Plant. And also it established water-treatment technology research and development base Toray Singapore Water Research Center at Nanyang Technological University. |
| 2010 |
Toray Tonen Specialty Separator (now Toray Battery Separator Film Co., Ltd.) was established in Japan. Toray signs a long-term basic supply agreement with EADS (Airbus)- to supply carbon-fiber prepreg. |
| 2011 |
Established Toray Advanced Film Kaohsiung Co. Ltd. in Taiwan, Toray Medical (Qingdao) Co. Ltd. in China, and Euro Advanced Carbon Fiber Composites GmbH in Germany. |
| 2013 |
Acquired entire stake in Zoltek Companies Inc., a manufacturer of large tow carbon fibers, and DOME CARBON MAGIC LTD. (now Toray Carbon Magic Co. Ltd.). |
| 2017 |
The company established Toray Composite Materials America Inc. in the U.S., UNIQLO, Toray hosted the Apparel Expo in New York, and Toray Polytech (Foshan) Co. Ltd. in China. |
| 2019 |
Toray established Toray Industries Hungary Kft. in Hungary, Toray Industries Korea Inc. in Korea, and the R&D Innovation Center in Shiga. |
| 2022 |
The company has Developed Eco-Friendly PET Film Offering Excellent Applicability and Adhesion for Water-Based and Solvent-Free Coatings in Printing, Mold Release, and Adhesive Processing. |
| 2023 |
It has Expanded Chemical-Recycled PBT Resin Products Employing Depolymerization and Repolymerization Technology. Developed TORAYCA T1200, the Ultra-High-Strength Carbon Fiber and Expanded Air Filter Business in India by Launching Production of High-Performance Offerings at Sri City Plant. |
| 2024 |
Toray and Tsukuba University Launched Special Collaborative Drug Discovery and Medical Research Project to Enhance Healthy Longevity and Patient Quality of Life. Toray and PTT Global Chemical Agree to Explore Mass Production Technology to Build Supply Structure for Non-Edible Biomass-Derived Nylon. |
| 2025 |
Toray Advances NANOALLOY Technology to Develop Nylon Resin with 4X Greater Damping than Conventional Materials and Improved Quietness and Moldability. |