Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331005 | Constant velocity universal joint | Nobuyuki Otsuka | 1982-05-25 |
| 4231232 | Constant velocity universal joint | Nobuyuki Otsuka | 1980-11-04 |
| 4196598 | Apparatus for prevention of the removal of a universal joint | Nobuyuki Otsuka | 1980-04-08 |
| 4188803 | Constant velocity universal joint | Nobuyuki Otsuka | 1980-02-19 |