Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825535 | Method of manufacturing a resistor element | Tsunenari Saito, Kazuyuki Ota, Teruyasu Suzuki, Takahiko Yamakami | 1989-05-02 |
| 4800686 | Fabrication method for chamfered hole | Toshihiko Hirabayashi | 1989-01-31 |