Corporate History
1937 Asahi Diamond Industrial Co., Ltd. is established in Shinagawa-ku, Tokyo with the aim of manufacturing and selling diamond tools.
1938
Yukigaya Plant completed in Ota-ku, Tokyo
1944
Ueno Works (former Mie Works) completed in Ueno City (now Iga City)
Began selling diamond dies.
Began selling diamond dies.
1945
Company name changed to Asahi Kogei.
1950
Head office relocated to Chuo-ku, Tokyo
1951
Diamond bits sales launched.
Diamond wheels sales launched.
Diamond wheels sales launched.
1952 Company name changed to Asahi Diamond Industry Co., Ltd.
1953
Electroplating tools sales launched.
1955
Solder Factory completed in Ikejiri, Setagaya-ku, Tokyo
1956
Diamond blades sales launched.
1961
VitriBond wheels sales launched.
1965Tamagawa Plant completed in Takatsu-ku, Kawasaki
Rotary dresser sales launched.
Rotary dresser sales launched.
1968Taiwan Asahi Diamond Industrial Co., Ltd. established
1969
CBN abrasive grain products sales launched.
1972
Joined SUN DIAMOND CO.
Listed on the Second Section of the Tokyo Stock Exchange.
Listed on the Second Section of the Tokyo Stock Exchange.
1975
Head office relocated to Minato-ku, Tokyo
1976
Diamonds for jewelry sales launched.
1978
Listed on the First Section of the Tokyo Stock Exchange
1984
Mie Secondary Plant completed in Ueno City (now Iga City), Mie Prefecture
1988
Head office relocated to Chiyoda-ku, Tokyo
1989Chiba Tsurumai Plant and Technical Research Center completed in Ichihara City, Chiba Prefecture.
1991 Head Office relocated to New Otani Garden Court, Kioi-cho, Chiyoda-ku, Tokyo
1999
Secondary Chiba Plant completed in Chosei-gun, Chiba Prefecture.
2002Asahi Diamond America, Inc. established
Shanghai Asahi Xihui Diamond Industrial Co.,Ltd. established
PT.Asahi Diamond Industrial Indonesia acquired all shares
Shanghai Asahi Xihui Diamond Industrial Co.,Ltd. established
PT.Asahi Diamond Industrial Indonesia acquired all shares
2003
CMP conditioners sales launched.
2006
New Mie Plant completed in Iga, Mie Prefecture, integrating the Mie Plant and Mie Secondary Plant.
2007
Electrodeposited diamond wire "EcoMEP" sales launched.
2011
Acquired additional shares of Asahi Diamond Thailand (currently a consolidated subsidiary)
2013.
Acquisition of all shares of Koremura Co.
2015Asahi Diamond Industrial Germany GmbH established
Asahi Diamond Industrial Scandinavia AB established
Asahi Diamond Industrial Malaysia SDN. BHD. established
Asahi Diamond de Mexico, S.A. de C.V. established
Asahi Diamond Industrial Scandinavia AB established
Asahi Diamond Industrial Malaysia SDN. BHD. established
Asahi Diamond de Mexico, S.A. de C.V. established
2020
Chiba Plant completed in Sodegaura City, Chiba Prefecture
2021Technical Development Center completed in Takatsu-ku, Kawasaki City
2022
Transferred from the First Section to the Prime Market due to the reaffirmation of the market classification of the Tokyo Stock Exchange.
2023Asahi Diamond Vietnam Co., LTD. established
Asahi Diamond Industrial India Private LTD. established
Asahi Diamond Industrial India Private LTD. established