Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673743 | Method of molding complete core from base core and bonded core | Hiroaki Kawamoto, Hidekazu Ito, Yuji Nishiyama, Masamitsu Kenmochi, Makoto Iwata | 1997-10-07 |
| 5038336 | Cleaning device for optical pick-up lens | — | 1991-08-06 |