Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674026 | Shaft coupling structure of drive shaft | Toshio Ishibashi, Sinichi Kondou, Yoshiyuki Watanabe | 1997-10-07 |
| 5645366 | Shaft coupling structure of drive shaft | Toshio Ishibashi, Sinichi Kondou, Yoshiyuki Watanabe | 1997-07-08 |