Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5857913 | Hollow shaft reduction gear with overload protecting device | Katsumi Fujimura, Yojitsu Kim | 1999-01-12 |
| 5758542 | System for coupling worm speed reducer to motor | Yojitsu Kim, Katsumi Fujimura | 1998-06-02 |