Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8729775 | Piezoelectric vibrating devices and methods for manufacturing same | Ryoichi Ichikawa, Yoshiaki Amano, Kenji Kamezawa, Kenichi Kikuchi, Noritsugu Matsukura | 2014-05-20 |
| 8604675 | Piezoelectric resonator and method of manufacturing piezoelectric resonator | — | 2013-12-10 |
| 8415858 | Piezoelectric vibrating pieces and devices, and methods for manufacturing same | Manabu Ishikawa, Kenji Shimao, Hiroyuki Sasaki, Kenichi Kikuchi | 2013-04-09 |
| 8405282 | Piezoelectric devices exhibiting enhanced resistance to physical impacts and moisture incursion | — | 2013-03-26 |
| 8382995 | Piezoelectric devices and methods for manufacturing same | Ryoichi Ichikawa | 2013-02-26 |
| 8303755 | Manufacturing methods of piezoelectric devices | Ryoichi Ichikawa | 2012-11-06 |
| 8227958 | Piezoelectric devices and methods for manufacturing same | Takahiro Inoue, Takefumi Saito, Ryoichi Ichikawa | 2012-07-24 |
| 8154178 | Piezoelectric frame surrounding a piezoelectric vibrating piece and package with exhaust channel | Ryoichi Ichikawa | 2012-04-10 |
| 8120233 | Piezoelectric devices and methods for manufacturing same | Takahiro Inoue, Yoshiaki Amano, Takefumi Saito | 2012-02-21 |
| 8018126 | Piezoelectric devices exhibiting reduced CI degradation | Takefumi Saito, Ryoichi Ichikawa | 2011-09-13 |
| 7388320 | Quartz crystal unit and holding structure for same | Seiji Oda | 2008-06-17 |
| 7339309 | Surface mount crystal oscillator | Masayoshi Okazaki, Hiroshi Uehara, Seiji Oda | 2008-03-04 |
| 7199510 | Quartz crystal unit | — | 2007-04-03 |
| 7129624 | Crystal unit | Kenichi Kikuchi, Keisuke Hirano | 2006-10-31 |
| 7116039 | Crystal unit and holding structure of crystal unit | Masaaki Arai, Seiji Oda | 2006-10-03 |
| 7012355 | Crystal unit | Seiji Oda, Hiroshi Uehara, Keisuke Hirano | 2006-03-14 |
| 5879972 | SRAM device and method of manufacturing the same | — | 1999-03-09 |