Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7849724 | Method of manufacturing a ring-shaped member | Toshiaki Kanemitsu, Shuji Kanemitsu, Masataka Ohnishi, Naoki Fujii, Kazuyuki Oda | 2010-12-14 |
| 4631946 | Method of manufacturing sheet metal made poly-V pulleys | — | 1986-12-30 |
| 4524595 | Method of manufacturing sheet metal made poly-V pulleys | — | 1985-06-25 |