Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9888069 | Portable electronic device and program | Koji NISHIGAKI | 2018-02-06 |
| 6317582 | Multimode mobile telephone apparatus | — | 2001-11-13 |
| 6101456 | Output correcting method in control system, control system, and hydraulic pump control system | Youichi Kowatari, Toichi Hirata, Hidefumi Takegahara, Tsukasa Toyooka, Kouji Ishikawa +1 more | 2000-08-08 |
| 5934879 | Pump torque control system | Shigetoshi Konno, Toichi Hirata, Genroku Sugiyama, Youichi Kowatari, Kouji Ishikawa | 1999-08-10 |
| 5813311 | Hydraulic control system for hydraulic working machine | Tsukasa Toyooka, Toichi Hirata, Genroku Sugiyama, Kouji Ishikawa, Youichi Kowatari +1 more | 1998-09-29 |
| 5632190 | Burglarproof device for hydraulic machine | Kazuhiro Sunamura, Osamu Tomikawa, Toichi Hirata | 1997-05-27 |
| 5575148 | Hydraulic pump control system | Toichi Hirata, Genroku Sugiyama, Hiroshi Watanabe | 1996-11-19 |