Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4729726 | Housing structure for a multiple-rotor type rotary piston engine | Noriyuki Kurio, Nobuhiro Yamamoto, Junichi Funamoto | 1988-03-08 |
| 4660517 | Vibration detecting apparatus for multi-rotor rotary piston engines | Hiroshi Sasaki, Yukihiro Karimata | 1987-04-28 |