About Us
History
August 1921
Founded as Ohara Iron Works Co., Ltd. at 5-chome, Ichiokahama-dori, Minato-ku, Osaka.
November 1947
Changed the trade name to Miyako Kagaku Co., Ltd. and started operations at Nitta Building, 8-8 Ginza Nishi, Chuo-ku, Tokyo. Capital 150,000 yen.Operates as a direct sales company of the former Kyowa Hakko Kogyo Co., Ltd.
May 1948
Opened Osaka branch office. (Currently Osaka branch office)
April 1949
Moved head office to Dai-ichi Seimei Building, 3-1 Kyobashi, Chuo-ku, Tokyo.
December 1950
Increased capital to 1 million yen.
March 1951
Increased capital to 3 million yen.
September 1952
Moved the head office to Marunouchi Building No. 710, 2-2 Marunouchi, Chiyoda-ku, Tokyo.
March 1954
Increased capital to 6 million yen.
October 1954
Merged with Beniya Shoten Co., Ltd.
March 1955
Increased capital to 6.5 million yen.
March 1957
Opened Nagoya branch office. (Currently Nagoya branch office)
Increased capital to 10 million yen.
July 1961
Moved the head office to Chiyoda Building, 2-1-2 Marunouchi, Chiyoda-ku, Tokyo.
August 1961
Increased capital to 25 million yen.
March 1963
Increased capital to 50 million yen.
July 1963
Opened Yokkaichi branch office. (Currently Yokkaichi Office)
March 1977
Opened Kyushu Sales Office.
November 1978
Increased capital to 75 million yen.
May 1983
Opened Yamaguchi Office.
March 1984
Increased capital to 111 million yen.
January 1991
Opened Chiba office.
November 1997
Celebrate the 50th anniversary of its establishment.
November 1999
Moved the head office to New International Building, 3-4-1 Marunouchi, Chiyoda-ku, Tokyo.
April 2008
Became the largest shareholder of Kashiwagi Co., Ltd. (holding ratio 28.69%).
January 2010
The Kyushu Sales Office will be the Kyushu Sales Department of the Osaka Branch.
June 2010
Became a wholly owned subsidiary of Kyowa Hakko Chemical Co., Ltd. (Currently KH Neochem Co., Ltd.)through a share exchange.
November 2010
Moved the head office (no change of address), Osaka branch office, and Nagoya branch office. The Osaka branch office Kyushu sales department was abolished.
January 2011
Merged with Kashiwagi Co., Ltd. Sapporo branch is added.
February 2011
Increased capital to 296 million yen.
July 2013
The Yamaguchi Office will be the Yamaguchi Branch Office of the Head Office Construction Office.
April 2014
The Sapporo branch is designated as the Sapporo Sales Office of the Industrial Materials Department of the head office.
September 2014
Moved the head office to Chiyoda Kaikan, 1-6-17 Kudanminami, Chiyoda-ku, Tokyo.
May 2015
Became a wholly owned subsidiary of Chori Co., Ltd.
March 2016
Moved the Osaka branch office to the Sakaisuji Building, 1-7-3 Awajimachi, Chuo-ku, Osaka-shi, Osaka.
February 2017
Moved the Yamaguchi branch office of the head office construction room to the Yamaguchi office.
February 2018
Moved the Sapporo Sales Office of the Industrial Materials Department.
August 2021
Celebrate the 100th anniversary of its founding.
March 2023
Closed Yamaguchi office.