Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682904 | Paper feed mechanism for printer | Ryouhei Ohsaki | 1987-07-28 |
| 4315489 | Rotary piston engine having supercharging means | Tomoo Tadokoro, Haruo Okimoto, Yasuo Honda, Hiroshi Nomura | 1982-02-16 |
| 4225295 | Gas seal means for rotary piston engines | Kazuma Shimizu, Shiso Kariyama, Yoshimitsu Takeda | 1980-09-30 |