Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728467 | Inner air vent systems for float chambers in carburetors | Tomozo Nakagawa, Kozo Watanabe | 1988-03-01 |
| 4688529 | Lubricating system for horizontal cylinder overhead valve engine | Takashi Mitadera, Tetsuaki Shirai, Tomozo Nakagawa, Kozo Watanabe | 1987-08-25 |