Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4899076 | Piezoelectric oscillator | — | 1990-02-06 |
| 4267479 | Mounting clips for thickness shear piezoelectric oscillator | — | 1981-05-12 |
| 4262788 | Friction member of non-asbestos | Yasunobu Yamamoto, Hiroshi Ban, Katumi Nakavishi, Katumi Nakanishi, Ryoichi Tomikawa | 1981-04-21 |