Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019517 | Preformed pieces for outer and inner races of bearings | Manabu Katsuki | 2000-02-01 |
| 5894752 | Method and system for warm or hot high-velocity die forging | Masakazu Yano, Katsuhiko Osaki, Tadatsugu Yoshida | 1999-04-20 |