Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9543922 | Mesa-shaped piezoelectric resonator element | Matsutaro Naito | 2017-01-10 |
| 8710715 | Mesa-shaped piezoelectric resonator element | Matsutaro Naito | 2014-04-29 |
| 8084926 | At cut quartz crystal resonator element and method for manufacturing the same | Matsutaro Naito, Kenji Komine | 2011-12-27 |
| 7861389 | AT cut quartz crystal resonator element and method for manufacturing the same | Matsutaro Naito, Kenji Komine | 2011-01-04 |
| 7608987 | AT cut quartz crystal resonator element and method for manufacturing the same | Matsutaro Naito, Kenji Komine | 2009-10-27 |
| 4992772 | Metal oxide film resistor | Itaru Kubota, Kazuyuki Oshima, Koichi Mizozoe, Toshiya Nakamura | 1991-02-12 |