Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421297 | Four-cycle engine | Shinichi Tamba, Yoshiro Yamane | 1995-06-06 |
| 4805565 | Structure of cam shaft for engine | Masato Sato, Keiichi Nakamizo | 1989-02-21 |
| 4688529 | Lubricating system for horizontal cylinder overhead valve engine | Tetsuaki Shirai, Tomozo Nakagawa, Naotake Nii, Kozo Watanabe | 1987-08-25 |
| 4549520 | Breathing device for four stroke engine | Shinichi Tamba | 1985-10-29 |
| 4470389 | Breather-lubricator system for engines | Tetsuaki Shirai, Fumikazu Miyanaga | 1984-09-11 |