Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122700 | Frictional material for vibration wave driven motor | Shoichi Shimura, Yasuyuki Nakai | 1992-06-16 |
| 4621919 | Metal drum and image holding member using the same | Hiroshi Nitanda, Morikazu Mizutani, Taketoshi Yokoyama, Toru Okumura | 1986-11-11 |