Corporate History

Domestic Business

09/1960	Established Okada Rock Drill, Co. in Higashi-ku, Osaka and began sales, repair and assembly of pneumatic breakers and other construction machines.
04/1962	Opened the Ogaki branch in Ogaki city, Gifu prefecture.
07/1968	Opened the Tokyo branch in Kita ward, Tokyo.
03/1969	Established the Shigino plant in Joto ward, Osaka city.
02/1972	Opened the Sendai branch in Sendai City, Miyagi prefecture.
02/1973	Established the Higashi Osaka plant in Osaka ward, Osaka prefecture and relocated the Shigino plant.
04/1977	Launched hydraulic breakers on the market.
03/1978	Opened the Nagoya branch in Nishi ward, Nagoya city.
05/1980	Relocated the Tokyo branch (currently Tokyo headquarters) to Itabashi ward, Tokyo.
09/1980	Opened the Morioka branch in Morioka city, Iwate prefecture.
03/1983	Opened the Kanazawa branch in Kanazawa City, Ishikawa prefecture.
09/1983	Changed the company name to OKADA AIYON CORPORATION.
03/1986	Opened the Kyushu branch in Hakata ward, Fukuoka City.
09/1986	Relocated the Morioka branch to Tonan village, Tsukuba district, Iwate prefecture.
11/1986	Opened the Chubu branch in Ogaki City, Gifu prefecture and integrated the Ogaki branch and Nagoya branch.
02/1987	Integrated the head office and Higashi Osaka plant and relocated the head office to Minato ward, Osaka City.
10/1987	Started manufacturing and launched sales of Kowarikun, which is a new line of hydraulic breakers.
04/1988	Relocated the Kyushu branch to Onojo City, Fukuoka prefecture.
04/1989	Opened the Sapporo office in Nishi ward, Sapporo City.
04/1990	Changed the name of Kanazawa branch to Hokuriku branch.
07/1990	Opened the Hiroshima office in Asaminami ward, Hiroshima City.
04/1992	Promoted the Sapporo office to a branch.
08/1992	Listed on the Second Section of the Osaka Securities Exchange.
04/1993	Promoted the Hiroshima office to a branch.
04/1996	Opened the Yokohama branch in Tsuzuki ward, Yokohama City.
04/1997	Opened the Shikoku branch in Matsuyama City, Ehime prefecture.
05/1999	Established AMC Co., Ltd. (affiliated company).
04/2001	Integrated the Kansai branch into the Osaka head office.
02/2002	Established AIYON TECH. CO., LTD. and started manufacturing the TS-W series.
07/2003	Acquired additional stock of AMC Co., Ltd. (affiliated company) to make it a subsidiary. Integrated the Hiroshima branch into the Kansai branch.
10/2003	Merged with AMC Co., Ltd. (subsidiary).
10/2005	Relocated and newly established AIYON TECH. CO., LTD. (subsidiary) to Asaka City, Saitama prefecture.
04/2007	Opened an office in Hiroshima City, Hiroshima prefecture.
10/2007	Relocated and newly established the Kyushu branch in Onojo City, Fukuoka prefecture.
01/2008	Relocated and newly established the Morioka branch in Yahabacho, Shiwa district, Iwate prefecture.
01/2011	Officially registered the TOP New S series in NETIS of the Ministry of Land, Infrastructure and Transport.
04/2011	Integrated the Yokohama branch in Tsuzuki ward, Yokohama City into the Tokyo head office.
05/2012	Relocated and newly established the Hiroshima branch in Hatsukaichi City, Hiroshima prefecture.
07/2013	Listed on the Second Section of Tokyo Stock Exchange.
11/2013	Newly reconstruction of Parts Center and Kansai branch.
04/2015	Opened the Yokohama branch in Tsuzuki ward, Yokohama City.
08/2015	Opened the Tokyo office in Kasumigaseki, Chiyoda ward.
02/2016	Newly reconstruction of Aiyon Tech. Co., Ltd. Building.
03/2016	Moved to the First Section of the Tokyo Stock Exchange.
10/2016	Relocated and newly established the Hokuriku branch in Senkoujimachi, Kanazawa City.
10/2017	The Nansei Machine Co.,Ltd., Nansei Wintech Co.,Ltd., and Akatsuki Kikou Co., Ltd. became group companies.
04/2019	The three companies, The Nansei Machine Co.,Ltd., Nansei Wintech Co.,Ltd., and Akatsuki Kikou Co., Ltd. were integrated.
11/2019	Relocated and newly established the Shikoku branch in Iyogun, Ehime prefecture.
10/2020	Relocated and renamed as Shonan branch in Hiratsuka City, Kanagawa prefecture.
10/2021	Relocated and newly established the Hiroshima branch in Hiroshima City, Hiroshima prefecture.
01/2022	Newly reconstruction of Chubu branch.
04/2022	Transitioned from the First Section of the Tokyo Stock Exchange to the Prime Market due to a review of the market classification of the Tokyo Stock Exchange.
04/2022	Relocated and newly established the Sendai branch in Miyagino-ku, Sendai City.
06/2023	Relocated and newly established the Sapporo branch in Shiroishi-ku, Sapporo City.
10/2023	Opened an office in Kasuga City, Fukuoka prefecture.
04/2024	Integrated certain branches of Nansei Machine Co., Ltd. (subsidiary). Opened the Kumamoto branch in Kikuchi City, Kumamoto prefecture. Changed the name of Kyushu branch to Fukuoka branch.

Overseas Business

04/1993	Separated the Osaka head office overseas business section to establish an overseas office.
09/1996	Established BOA, INC. as an affiliate.
12/2002	Additionally acquired stock of the affiliated company BOA, INC. to make it a subsidiary (currently OKADA America, Inc.).
01/2016	Opened the OKADA America, Inc. Texas branch.
08/2017	Established a European office in Rotterdam, the Netherlands.
06/2019	Established a Thailand representative office in Ayutthaya Province, Thailand.
01/2020	Local subsidiary established in Rotterdam, the Netherlands.( Okada Europe B.V.)
06/2021	Okada Aiyon(Thailand)Co., Ltd. established as a joint venture with Yontrakan Machinery Co., Ltd. in Ayutthaya Province, Thailand.
12/2022	Established Okada Midwest, Inc. and acquired business from Thoesen Tractor&Equipment Co., Inc., Chicago Machinery Co. and Thoesen Tractor of Indiana, Inc.
06/2023	Relocated and newly established the head office of Okada America, Inc. in Canby, Oregon.