Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840147 | Combustion chamber of a two-stroke engine | Toshio Tanahashi, Hiroshi Noguchi, Kenichi Nomura, Toyokazu Baika, Masanobu Kanamaru +5 more | 1989-06-20 |
| 4821686 | Two-stroke internal combustion engine with cylinder head valves | Toyokazu Baika, Hirosi Noguchi, Tosio Tanahasi, Katsuhiko Hirose | 1989-04-18 |