Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4224918 | Cylinder head construction | Kazuyuki Tanaka, Kazuo Kobayashi, Toshimitsu Tanaka | 1980-09-30 |
| 4201175 | Cylinder head construction | Kazuyuki Tanaka, Kazuo Kobayashi, Toshimitsu Tanaka | 1980-05-06 |