Tateyama Kasei Co., Ltd.
Japanese chemical manufacturer of pharmaceutical APIs and intermediates, electronic-device functional organic materials, instant-adhesive intermediates, and various organic industrial chemicals.
Last updated September 16, 2026
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Overview
Tateyama Kasei Co., Ltd. is a Japanese chemical company headquartered in Imizu, Toyama. Established in September 1953, it manufactures pharmaceutical active pharmaceutical ingredients (APIs) and intermediates, functional organic materials for electronic devices, instant-adhesive intermediates, various organic industrial chemicals, and materials for health foods and cosmetics. Its main products include cyanoacetate esters and malonate esters.
History
Tateyama Kasei was founded in January 1952, and its head office plant began operation in September 1953 with the start of methylephedrine production. In May 1959 it began manufacturing cyanoacetate esters and malonate esters, and in July 1968 it started production of thioctic acid and thioctic acid amide. The Kyushu Plant began operation in April 1972, and the Toyama Plant in April 1978. In July 1982, Tateyama Kasei Shoji Co., Ltd. was established as a wholly owned subsidiary. A research laboratory was established within the Toyama Plant site in December 1985. The company registered ISO 9002 in March 1997 and ISO 9001 in March 2003. It relocated its head office to Oe, Imizu in June 2006. In October 2012, a second purification building (API purification building) was completed. In December 2018, it was selected as a Regional Future Leading Company. A new research laboratory building was completed in December 2019. In March 2023, a new purification building (third purification building) and a pharmaceutical warehouse and refrigerated hazardous materials warehouse were completed. In April 2024, a sixth hazardous materials warehouse was completed and capital was increased to 87.5 million yen. In December 2024, the fifth hazardous materials warehouse was refrigerated. In February 2025, it was certified as a child-rearing support company "Kurumin". In March 2025, a fifth purification building was completed and capital was increased to 100 million yen.
Products and positioning
Cyanoacetate esters
Malonate esters
Thioctic acid
Thioctic acid amide
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