| 1935-08-01 |
On August 1, 1935 (Showa 10), Fuji Kaku Co., Ltd., Asahi Leather Co., Ltd., Dai Nippon Leather Co., Ltd., and Nihon Gikaku Co., Ltd. merged to establish Kyōei Leather Co., Ltd. |
| 1935-08 |
In August Showa 10 (1935), Kyoha Leather Cross Co., Ltd. was established through the merger of four companies: Fujikaku O., Asahi Leather, Dai Nippon Leather, and Nihon Giko. |
| 1935-08-01 |
Established Kyōei Leather Co., Ltd. by merging Fuji Kaku Fabric Co., Ltd., Asahi Leather Co., Ltd., Dai Nippon Leather Co., Ltd., and Nihon Girei Co., Ltd. |
| 1935-08 |
Established Kyowa Leather Cloth Co., Ltd. through the merger of four companies: Fuji Kakufu, Asahi Leather, Dai-Nippon Leather, and Nihon Gikaku. |
| 1942-06 |
Established a Tokushima factory in Satoura Village, Itano District, Tokushima Prefecture (now Naruto City). |
| 1942-06 |
In June Showa 17 (1942), the Tokushima factory was established in Sadohara Village, Itano District, Tokushima Prefecture (now Naruto City). |
| 1942-06 |
Tokushima Factory established in Satoura-son, Itano-gun, Tokushima Prefecture (currently Naruto City). |
| 1949-01 |
Commenced manufacturing of chlorvinyl leather. |
| 1949-01 |
In January Showa 24 (1949), production of polyvinyl chloride leather began. |
| 1949-01 |
Began manufacture of poly vinyl chloride leather. |
| 1950-11 |
Established Nankai Rubber Co., Ltd. (formerly Nankai Tekunart Co., Ltd.) and transferred the Tokushima factory. |
| 1950-11 |
In November Showa 25 (1950), Nankai Technology Co., Ltd. (formerly Nankai Rubber) was established, and ownership of part of the Tokushima factory was transferred. |
| 1950-11 |
Established Nankai Gomu (previously Nankai Technart Co., Ltd.); transferred ownership of part of the Tokushima Factory. |
| 1961-09 |
Listed shares on the Tokyo Stock Exchange. |
| 1961-09 |
In September Showa 36 (1961), shares were listed on the Tokyo Stock Exchange. |
| 1961-09 |
Listed shares on the Tokyo Stock Exchange. |
| 1962-01 |
Became the first Japanese Industrial Standards (JIS) approved plant for vinyl leather in Japan. |
| 1962-01 |
In January Showa 37 (1962), the first JIS mark usage permission for polyvinyl chloride leather in Japan was obtained. |
| 1962-01 |
Became the first company in Japan to gain permission to use the JIS mark on poly vinyl chloride leather. |
| 1963-09 |
Commenced manufacturing of urethane synthetic leather. |
| 1963-09 |
In September Showa 38 (1963), production of polyurethane synthetic leather began. |
| 1963-09 |
Began manufacture of polyurethane synthetic leather. |
| 1963-11 |
Commenced manufacturing of wallpaper. |
| 1963-11 |
In November Showa 38 (1963), wallpaper production began. |
| 1963-11 |
Began manufacture of wallpaper. |
| 1968-12 |
Established the Tenryu No.1 factory in Hamamatsu City, Shizuoka Prefecture. |
| 1968-12 |
In December Showa 43 (1968), the first Tenryu factory was established in Hamamatsu City. |
| 1968-12 |
Established Tenryu Factory #1 in Hamamatsu City, Shizuoka Prefecture. |
| 1974-05 |
Established the Tenryu No.2 factory in Hamamatsu City, Shizuoka Prefecture. |
| 1974-05 |
In May Showa 49 (1974), the second Tenryu factory was established in Hamamatsu City. |
| 1974-05 |
Established Tenryu Factory #2 in Hamamatsu City, Shizuoka Prefecture. |
| 1974-07 |
Established Kobe Kyosho Co., Ltd. (formerly Kyōre Co., Ltd.). |
| 1974-07 |
In July Showa 49 (1974), Kyowa Koushou Co., Ltd. (formerly Kyowa Koushou Co., Ltd.) was established. |
| 1974-07 |
Established Kobe Kyosho Co., Ltd. (previously Kyowle Co., Ltd.). |
| 1978-09 |
Relocated headquarters from Sumida-ku, Tokyo to Hamamatsu City, Shizuoka Prefecture. |
| 1978-09 |
In September Showa 53 (1978), the headquarters moved from Sumida-ku, Tokyo to Hamamatsu City. |
| 1978-09 |
Relocated headquarters from Sumida Ward, Tokyo to Hamamatsu City, Shizuoka Prefecture. |
| 1981-05 |
Established the Shinjo factory in Shinjo City, Aichi Prefecture. |
| 1981-05 |
In May Showa 56 (1981), the Shinjo factory was established in Shinjo City, Aichi Prefecture. |
| 1981-05 |
Established Shinshiro Factory in Shinshiro City, Aichi Prefecture. |
| 1984-12 |
Commenced manufacturing of TPO. |
| 1984-12 |
In December Showa 59 (1984), production of TPO products began. |
| 1984-12 |
Started manufacturing TPO products. |
| 1985-05 |
Established the Fukuda factory in Fukuda Town, Iwata District, Shizuoka Prefecture (now Iwata City). |
| 1985-05 |
In May Showa 60 (1985), the Fukuhagi factory was established in Fukuhagi Town, Iwata District, Shizuoka Prefecture (now Iwata City). |
| 1985-05 |
Established Fukude Factory in Fukude-cho, Iwata-gun, Shizuoka Prefecture (now Iwata City). |
| 1989-07 |
Established the Asaba factory in Asaba Town, Iwata District, Shizuoka Prefecture (now Fukui City). |
| 1989-07 |
In July Heisei 1 (1989), the Asaba factory was established in Asaba Town, Iwata District, Shizuoka Prefecture (now Fukui City). |
| 1989-07 |
Established Asaba Factory in Asaba-cho, Iwata-gun, Shizuoka Prefecture (now Fukuroi City). |
| 1991-05 |
Constructed a technology center. |
| 1991-05 |
In May Heisei 3 (1991), a technology center was constructed. |
| 1991-05 |
Built the Technical center. |
| 1993-09 |
Constructed a headquarters office building. |
| 1993-09 |
In September Heisei 5 (1993), the headquarters office was constructed. |
| 1993-09 |
Built the Headquarters Office. |
| 1997-03 |
Capital increased to 1.81 billion yen through public offering. |
| 1997-03 |
In March Heisei 9 (1997), capital was increased to 181 million yen through a public offering of shares. |
| 1997-03 |
Increased capital to 1.81 billion yen through public stock offerings. |
| 2000-06 |
Obtained company‑wide ISO 14001 environmental certification. |
| 2000-06 |
In June Heisei 12 (2000), ISO 14001 environmental management system certification was obtained. |
| 2000-06 |
Entire company acquired ISO14001 environmental certification. |
| 2001-04 |
Acquired all shares of Japan Gravya Industrial Co., Ltd. |
| 2001-04 |
Acquired all shares of Nihon Gravure Co., Ltd. in April 2001. |
| 2001-04 |
Acquired all shares of Nihon Gravure Co., Ltd. |
| 2001-10 |
Obtained ISO 9001 quality certification. |
| 2001-10 |
Obtained ISO 9001 quality management certification in October 2001. |
| 2001-10 |
Acquired ISO9001 product quality control certification. |
| 2001-12 |
Established Kyōei Support and Service Co., Ltd. |
| 2001-12 |
Established Kyowa Support & Service Co., Ltd. in December 2001. |
| 2001-12 |
Established Kyowa Support & Service Co., Ltd. |
| 2003-07 |
Established Nan Ya Kyōei Plastic (Nantong) Co., Ltd. (equity‑method affiliate). |
| 2003-07 |
Established Nantong Kyowa Plastics (Nantong) Co., Ltd. in July 2003 (applicable to equity method). |
| 2003-07 |
Established Nanya Kyowa Plastics (Nantong) Co., Ltd., an equity-method affiliated company. |
| 2004-04 |
Established Kyōei Xing Plastic (Langfang) Co., Ltd. (equity‑method affiliate). |
| 2004-04 |
Established Langfang Kyowa GSK Plastics (Langfang) Co., Ltd. in April 2004 (equity method). |
| 2004-04 |
Established Kyowa-GSK Plastics (Langfang) Co., Ltd., an equity-method affiliated company. |
| 2008-01 |
Constructed a QA center. |
| 2008-01 |
Constructed QA Center in January 2008. |
| 2008-01 |
Built the QA center. |
| 2010-11 |
Water‑based polyurethane synthetic leather won the Manufacturing Environment Related Parts Award sponsored by Nikkan Kōgyō Shinbun. |
| 2010-11 |
Received the 'Manufacturing' award from the Environmental Department for water-based urethane synthetic leather in November 2010. |
| 2010-11 |
Won an award in the "Monozukuri" environmental parts division (sponsored by Nikkan-Kogyo Shimbun) for Kyowa Leather Cloth's water-based urethane synthetic leather. |
| 2011-10 |
Made Kyōei Xing Plastic (Langfang) Co., Ltd. a consolidated subsidiary. |
| 2011-10 |
Changed Langfang Kyowa GSK Plastics (Langfang) Co., Ltd. to a consolidated subsidiary in October 2011. |
| 2011-10 |
Changed Kyowa-GSK Plastics (Langfang) Co., Ltd. to a consolidated subsidiary. |
| 2014-03 |
Commercialized decorative films for automotive interiors for the Chinese market. |
| 2014-03 |
Commenced commercial sales of decorative automotive interior films for the Chinese market in March 2014. |
| 2014-03 |
Began commercial sales of decorative automobile interior films in the China market. |
| 2014-05 |
Received the Shizuoka Prefecture Governor's Award for Industrial Waste Proper Disposal Promotion. |
| 2014-05 |
Received the Shizuoka Prefecture Governor's Award for proper handling of industrial waste at the factory in May 2014. |
| 2014-05 |
Won an award from the governor of Shizuoka Prefecture for meritorious deed in the proper disposal of industrial waste. |
| 2015-04 |
Commercialized roof decorative film jointly developed with an automobile manufacturer. |
| 2015-04 |
Introduced roof decorative films to the market in collaboration with an automobile manufacturer in April 2015. |
| 2015-04 |
Brought a decorative roof film product to market in collaboration with an automotive manufacturer. |
| 2018-07 |
Nan Kai Tech Narto Co., Ltd. absorbed Japan Gravya Industrial Co., Ltd. and Kyōre Co., Ltd., and changed its name to Kyōei Life Techno Co., Ltd. |
| 2018-07 |
In July 2018, Nankai Technology Co., Ltd. merged with Nihon Gravure Co., Ltd. and Kyowa Koshō Co., Ltd., and commenced operations as Kyowa Life Techno Co., Ltd. |
| 2018-07 |
Nankai Technart Co., Ltd. merged with Nihon Gravure Co., Ltd. and Kyowle Co., Ltd. and are now doing business as Kyowa Life Techno Co., Ltd. |
| 2020-04 |
Established a safety human‑resource training center on the site of Tenryū Factory 1. |
| 2020-04 |
Installed a safety and health training facility at the first Tenyū factory in April 2020. |
| 2020-04 |
Established the Safety Personnel Training Facility at Tenryu Factory #1. |
| 2021-03 |
Installed solar power generation at Asaba Factory, reducing approximately 170 tons of CO₂ annually. |
| 2021-03 |
Implemented solar power generation at Asaba Factory in March 2021. |
| 2021-03 |
Introduced solar power generation at the Asaba Factory. |
| 2021-06 |
Launched the EC site Ethical Leather "Sobagni". |
| 2021-06 |
Opened the 'Sobagini' ethical leather e-commerce site in June 2021. |
| 2021-06 |
Opened the "Sobagni" ethical leather EC website. |
| 2021-10 |
Established KYOWA NORTH AMERICA, INC. in North America. |
| 2021-10 |
Established KYOWA NORTH AMERICA, INC. in October 2021. |
| 2021-10 |
Established KYOWA NORTH AMERICA, INC. |
| 2025-09 |
Obtained IATF 16949 certification at Tenryū Factory 2. |
| 2025-09 |
Obtained IATF16949 certification at the second Tenyū factory in September 2023. |
| 2025-09 |
IATF16949 certification obtained (Tenyū Second Factory). |
| 2025-09 |
Acquired IATF16949 Certification (Tenryu Factory #2). |
| 2026-04 |
Acquired all shares of Tōbō Fiber Co., Ltd. |
| 2026-04 |
Acquired all shares of Tōhō Seni Co., Ltd. in April 2024. |
| 2026-04 |
Acquired all shares of TOHO SENI CO., LTD. |
