Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056525 | Vane compressor | Toshihiro Murayama, Tomoyasu Takahashi, Yoshiteru Hirao, Hidetoshi Arahata, Katsumi Sakamoto +6 more | 2000-05-02 |
| 5921273 | Delivery valve assembly for compressor | Mitsuya Ono, Katsumi Sakamoto, Nobuyuki Nakajima, Toshihiro Murayama, Shunji Muta +1 more | 1999-07-13 |