Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8174228 | Motor control device | Tomoaki Ozawa, Takahiro Tsuchiya, Masayuki Arai | 2012-05-08 |
| 5558571 | Portable grinder | Takeshi Toyoshima, Hiroyasu Ishikawa, Takao Abe, Satsuo Sato, Nobuhiro Noto +4 more | 1996-09-24 |
| 5199626 | Combustion gas powered tool | Tsunehisa Terayama, Takuji Torii, Shinki Ohtsu, Hiromu Utsumi, Teruo Suzuki +3 more | 1993-04-06 |
| 5090606 | Combustion gas powered fastener driving tool | Takuji Torii, Hiromu Utsumi, Shinki Ohtsu, Teruo Suzuki, Yoshimitsu Kawasaki +3 more | 1992-02-25 |
| 4913331 | Internal-combustion piston driving apparatus having a decompression channel | Hiromu Utsumi, Shinki Ohtsu | 1990-04-03 |
| 4773581 | Combustion gas powered tool | Shinki Ohtsu, Hiromu Utsumi | 1988-09-27 |