Kyoyu Agri Co.,Ltd

About Kyoyu Agri

Company Information


Our company was originally founded on 29th March, 1938 in Kawasaki, where the Kawasaki head office is currently located. For more than 80 years since then, we have been involved in manufacturing and sales of agrochemicals.

On 1st May, 1996, the company merged with Mikasa Chemical Co., Ltd. which had more than 70 years of business history. On 1st November, 2004, the company inherited the “Keito” business of Sumika-Takeda Agrichemicals Co., Ltd. and changed its name to Kyoyu Agri Co., Ltd.

Tokyo Head Office
Company name Kyoyu Agri Co., Ltd.
Registered head office YTT Building, Futago 6-14-10, Takatsu-ku, Kawasaki-shi,
Kanagawa, Japan 213-0002
Address of Tokyo head office Yamaman Building, Koami-cho 6-1, Nihonbashi, Chuo-ku,
Tokyo, Japan 103-0016
Date of establishment 29th March, 1938
Principal businesses Manufacturing and sales of agrochemicals; leasing and management of real estate
Capital ¥2,250 million
Number of employees 281 (October 31, 2019)


1938 Yashima Chemical Industries, Ltd. is established in Kawasaki-shi, Kanagawa to start manufacturing of agrochemicals for pome fruits using sulphur, copper, lime and others as beginning materials.
1955 Sales via ZEN-KOREN (currently called as ZEN-NOH) is started.
1962 The Nagano Plant and the Nagano Agro-Science Research Center start their respective operations.
1964 The Yamagata Plant starts its operation.
1965 The Kanto Plant starts its operation.
1971 The marketing of Mametto, an in-house developed herbicide formulation for paddy rice, is started.
1989 The YTT building is constructed in Kawasaki.
1992 The granular formulation production facility of the Kanto Plant is moved to the Yamagata Plant. The management of the Tamado Mall, a commercial facility, is started.
1996 The merger with Mikasa Chemical Co., Ltd. is completed.
1998 The marketing of Baroque Flowable, an in-house developed acaricide formulation, is started.
2004 The company inherits the “Keito” business of Sumika-Takeda Agrichemical Co., Ltd. through absorption-type split. The company name is changed from Yashima Chemical Industries, Ltd. to Kyoyu Agri Co., Ltd.
2006 The marketing of Eco-Pita, an in-house developed pesticide formulation for IPM, is started.
2007 The marketing of Pyrachronil, an in-house developed herbicide for paddy rice, is started.
2011 The Tokyo Head Office is opened at the Yamaman Building in the Nihonbashi District of Chuo Ward in Tokyo.
2013 Pyraclonil received pesticide registration in Korea.
2018 Pyraclonil received pesticide registration in China and Thailand.
2018 Used area of Pyraclonil reached 700,000 hectares in Japan.


Shareholder composition