| 1984 |
Established Japan Material Limited in Yokkaichi City, Mie Prefecture |
| 1997-04 |
Established Japan Material Limited in Yokkaichi City, Mie Prefecture |
| 1997-04 |
Established Maotai Technology Co., Ltd. (now a consolidated subsidiary) in Taiwan and started sales management of special gases (TGM) |
| 1997-04 |
Opened Nagasaki Office in Isahaya City, Nagasaki Prefecture |
| 1997-04 |
Established JAPAN MATERIAL (S) PTE LTD in Singapore and started sales management of special gases (TGM) (dissolved in December 2011) |
| 1997-05 |
Relocated Tokyo Headquarters and Seeset Inc. headquarters to Chiyoda-ku, Tokyo |
| 1997-06 |
Established WiL Co., Ltd. |
| 1997-06 |
Started technical service dispatch business at Wil Corporation |
| 1997-07 |
Established and relocated headquarters factory in Komono-cho, Mie-gun, Mie Prefecture |
| 1997-07 |
Started vacuum pump maintenance service |
| 1997-09 |
Opened Fukaya TGM Office in Fukaya City, Saitama Prefecture, and started sales management of special gases (TGM) (closed in June 2015) |
| 1997-09 |
Opened Fukaya TGM Office in Fukaya City, Saitama Prefecture, and started sales management of special gases (TGM) (closed in June 2015) |
| 1997-10 |
Started photovoltaic power generation business |
| 1997-10 |
Relocated the headquarters of Toa Shoko Co., Ltd. in Yokkaichi City, Mie Prefecture |
| 1997-10 |
Established Wil Corporation in Komono Town, Mie District, Mie Prefecture |
| 1997-11 |
Obtained construction business license |
| 1997-12 |
Established Ishikawa TGM Office in Kanazawa City, Ishikawa Prefecture (now Ishikawa TGM Corporation Kanazawa Office) and started sales management of special gases (TGM) |
| 1997-12 |
Established JM Tech Co., Ltd. (a consolidated subsidiary) in Komono-cho, Mie-gun, Mie Prefecture, and started total facility management (TFM) |
| 1997-12 |
Increased capital to 504.3 million yen through public offering |
| 1997-12 |
Listed on the Second Section of the Tokyo Stock Exchange |
| 1997-12 |
Listed on the Second Section of the Nagoya Stock Exchange |
| 1997-12 |
Established JM Engineering Service Co., Ltd. (a consolidated subsidiary) in Komono-cho, Mie-gun, Mie Prefecture, and started semiconductor manufacturing equipment maintenance business |
| 1997-12 |
Established Ishikawa TGM Office in Kanayama District, Nomi County, Ishikawa Prefecture (now JM Tech Co., Ltd. Kanayama Office) and started sales management of special gases (TGM) |
| 1997-12 |
Increased capital to 594.3 million yen through a public offering |
| 2011-12 |
Established JAPAN MATERIAL (S) PTE LTD in Singapore and started sales management of special gases (TGM) (dissolved in December 2011) |