Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4615207 | Progressive metal mold apparatus for production of laminated iron cores | Takamitsu Oboshi, Tomoaki Koga | 1986-10-07 |
| 4597168 | Method and apparatus for producing laminated iron cores | Takamitsu Oboshi, Tomoaki Koga | 1986-07-01 |