TODA KOGYO CORP.

Toda Industries began in 1823 as a manufacturer of Bengal, a red pigment essential for porcelain painting and the coloring of historic buildings. The company established its predecessor, Seikinsha, in Nishi-ehara, Kōtsu District, Okayama Prefecture (now Ibara City), and started industrial production of the long-used Bengal pigment.

Founded in 1823 (Bunsei 6), our company’s history began with the production of banga, a fine iron oxide pigment. The group of engineers who manufactured Japan’s oldest pigment, banga, is our root.

The industrial production of the world’s oldest pigment, banga, marks the beginning of Toda Kogyo’s journey. It started with the industrial manufacture of the long‑used banga as a family business at the former Seikinsha in Nishi-Ōe, Kawakami District, Okayama Prefecture (now Ibara City).

Founded in 1823 (6th year of Bunsei). Our history began with making Bencala, a fine iron oxide pigment, and the group of engineers who manufactured Japan's oldest pigment, Bencala, is the root.

In 1933 (Showa 8), Toda Industries Co., Ltd. was established in Hiroshima City. The business purpose was the manufacture and sale of Bengal pigment.

Established Tadashi Kogyo Co., Ltd. in Yokogawa-cho, Hiroshima City, with a capital of 500,000 yen, for the purpose of manufacturing and selling bent plates.

In April 1951 (Showa 26), Kutsuwa Enpaku Manufacturing Co., Ltd. was merged.

Merged with Kutsuwa Bent Plate Manufacturing Co., Ltd.

In November 1954 (Showa 29), Kibi Industries Co., Ltd. was merged.

Merged with Kibi Kogyo Co., Ltd.

In October 1959 (Showa 34), a new Ondo plant was established in Ondo City, Yamaguchi Prefecture.

Established a new Ono-oda factory in Ono-oda City, Yamaguchi Prefecture.

In July 1969 (Showa 44), a production facility for magnetic powder materials for audio and video tapes was newly established at the Ondo plant.

Installed new production equipment for magnetic powder materials for audio and video tapes at the Ono-oda factory.

In June 1973 (Showa 48), a wet coloring pigment plant was newly established at the Ondo plant.

Established a wet coloring pigment factory at the Ono-oda factory.

In September 1983 (Showa 58), the company was designated as a First Section company on the Tokyo Stock Exchange.

Listed on the First Section of the Tokyo Stock Exchange.

In December 1984 (Showa 59), a ferrite material production plant (Otake Plant) was newly established in Ota, Hiroshima Prefecture.

Established a new production plant for ferrite materials (Ootake Plant) in Ootake City, Hiroshima Prefecture.

In April 1988 (Showa 63), a dedicated production facility for electronic printing coloring materials was newly established at the Ondo plant.

Installed dedicated production equipment for electronic printing coloring materials at the Ono-oda factory.

In July 1994 (Heisei 6), Toda Industries Europe GmbH was established in Düsseldorf, Germany.

Established Tadashi Kogyo Europe GmbH in Düsseldorf, Germany.

In August 1996 (Heisei 8), Toda America Incorporated was established in Champaign, Illinois, USA.

Established Tadashi America Incorporated in Champaign, Illinois, USA (later relocated to Battle Creek, Michigan).

In January 2003 (Heisei 15), Toda Ceramic Materials (Zhejiang) Co., Ltd. was established in Zhejiang Province, China.

Established 'Todai Plastic Ceramic Materials (Zhejiang) Co., Ltd.' in Zhejiang Province, China.

In August 2004 (Heisei 16), Zhejiang Dongci Toda Magnet Co., Ltd. was established in Zhejiang Province, China.

Established 'Zhejiang Dongci Todai Magnetic Co., Ltd.' in Zhejiang Province, China.

In October 2006 (Heisei 18), Toda Ferrite Korea Co., Ltd. was established in the metropolitan area of Busan, South Korea (renamed to Toda Korea Seoul Co., Ltd. in February 2022).

Established 'Todai Ferrite Korea Co., Ltd.' in Busan Metropolitan City, Korea (now moved to Anam City, Gyeonggi Province) (name changed to Todai Korea Seoul Co., Ltd. in Feb 2022).

In April 2007 (Heisei 19), Toda Magqun Magnetic Materials (Tianjin) Co., Ltd. was established in Tianjin, China.

Established 'Todai Makigun Magnetic Materials (Tianjin) Co., Ltd.' in Tianjin City, China.

In August 2007 (Heisei 19), Toda Advanced Materials Inc. was established in Sarnia, Ontario, Canada.

Established 'Todai Advanced Materials Inc.' in Sarnia, Ontario, Canada.

In March 2008 (Heisei 20), a patent license for lithium-ion battery cathode materials was obtained from the Argonne National Laboratory in the United States.

Obtained patent license for lithium-ion battery cathode materials from Argonne National Laboratory, USA.

In April 2008 (Heisei 20), Toda IS Corporation was established in Hwaseong, Gyeonggi Province, South Korea (renamed to Toda Materials Co., Ltd. in January 2025).

Established 'Todai Ice Corporation' in Hwacheon County, Gangwon Province, Korea (name changed to Todai Materials Co., Ltd. in Jan 2025).

In June 2008 (Heisei 20), acquired shares of Tokyo Shikizai Kogyo Co., Ltd.

Acquired shares of 'Tokyo Color Materials Co., Ltd.'

In February 2015 (Heisei 27), established a joint venture "BASF Toda Battery Materials LLC" with BASF Japan Inc. by contributing the Onoeda plant and Kitakyushu factory lithium-ion battery cathode material production facilities as in-kind capital.

Contributed existing lithium-ion battery cathode material production facilities from Onoe and Kitakyushu plants as in-kind investment to form joint venture 'BASF Todai Battery Materials LLC' with BASF Japan Inc.

In April 2016 (Heisei 28), established "Toda Kogyo Asia (Thailand) Co., Ltd." in Bangkok, Thailand (now Ayutthaya Province). At the same time, "Toda Factory Co., Ltd." (renamed to Toda FineTech Co., Ltd. in April 2016) became a consolidated subsidiary.

Established 'Todai Industrial Asia (Thailand) Co., Ltd.' in Bangkok, Thailand (now moved to Ayutthaya Province).

Made 'Todai Factory Co., Ltd.' (name changed to Todai FineTech Co., Ltd. in Apr 2016) a consolidated subsidiary.

In April 2021 (Reiwa 3), absorbed and merged Toda Pigment Co., Ltd., which had been spun off in 1997, into our Okayama plant.

Absorbed and merged with Todai Pigment Co., Ltd., which was spun off in 1997, making it the Okayama plant of our company.

In August 2021 (Reiwa 3), made China Jiangmen Xie Li Magnetic High-Tech Co., Ltd. a consolidated subsidiary.

Made 'Jiangmen Xie Li Magnetic High-tech Co., Ltd.' in Guangdong Province, China a consolidated subsidiary.

In April 2022 (Reiwa 4), moved from the First Section of the Tokyo Stock Exchange to the Prime Market following a review of market classifications.

Moved from First Section of Tokyo Stock Exchange to Prime Market due to review of market classification.

In October 2023 (Reiwa 5), moved to the Standard Market of the Tokyo Stock Exchange.

Moved to Standard Market of Tokyo Stock Exchange.

In November 2023 (Reiwa 5), made "Toda Ice Corporation" in Hwaseong, Gangwon Province, South Korea (renamed to Toda Materials Co., Ltd. in January 2025) a consolidated subsidiary.

Made 'Todai Ice Corporation' in Hwacheon County, Gangwon Special Self-Governing Province, Korea a consolidated subsidiary.