Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331113 | Device for selective combustion in a multi-cylinder engine | Masami Nakao, Toshimichi Akagi | 1982-05-25 |
| 4315488 | Rotary piston engine having supercharging means | Haruo Okimoto | 1982-02-16 |
| 4315489 | Rotary piston engine having supercharging means | Haruo Okimoto, Yasuo Honda, Hiroshi Nomura, Masato Yoshimura | 1982-02-16 |