Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8898874 | Method of fabricating a piezoelectric vibrating piece | Takashi Kobayashi, Kazuyoshi Sugama | 2014-12-02 |
| 8104154 | Method of manufacturing a piezoelectric vibrating piece | Takashi Kobayashi, Kazuyoshi Sugama | 2012-01-31 |