Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840147 | Combustion chamber of a two-stroke engine | Toshio Tanahashi, Norihiko Nakamura, Hiroshi Noguchi, Kenichi Nomura, Masanobu Kanamaru +5 more | 1989-06-20 |
| 4823755 | Fuel injection system for an internal combustion engine | Katsuhiko Hirose, Hiroshi Noguchi, Kingo Horii, Hideo Nagaosa, Toshio Tanahashi +1 more | 1989-04-25 |
| 4821686 | Two-stroke internal combustion engine with cylinder head valves | Norihiko Nakamura, Hirosi Noguchi, Tosio Tanahasi, Katsuhiko Hirose | 1989-04-18 |