Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9035449 | Package member assembly, method for manufacturing the package member assembly, package member, and method for manufacturing piezoelectric resonator device using the package member | Naoki Kohda, Hiroki Yoshioka | 2015-05-19 |
| 8991022 | Method for manufacturing piezoelectric resonator device | Naoki Kohda | 2015-03-31 |
| 8618722 | Piezoelectric resonator plate and manufacturing method for piezoelectric resonator plate | Naoki Kohda, Hiroki Yoshioka | 2013-12-31 |
| 8400048 | Tuning-fork type piezoelectric resonator plate comprising leg portions and a bonding portion respectively provided on first and second end faces of a base portion | Takashi Shirai, Yoshinobu Sakamoto, Tomo Fujii, Masato Itoh, Yoshinari Morimoto | 2013-03-19 |
| 8174172 | Piezoelectric resonator plate, and piezoelectric resonator device | Shinichi Koyama | 2012-05-08 |
| 8129888 | Sealing member of piezoelectric resonator device and manufacturing method therefor | Naoki Kohda, Hiroki Yoshioka | 2012-03-06 |
| 8004157 | Piezoelectric resonator plate and piezoelectric resonator device | Minoru Iizuka, Tatsuya Murakami, Takashi Shirai, Hiroyuki Ishihara, Tomo Fujii | 2011-08-23 |
| 7948156 | Piezoelectric resonator plate, and piezoelectric resonator device | Shinichi Koyama | 2011-05-24 |
| 7485238 | Etching method, etched product formed by the same, and piezoelectric vibration device, method for producing the same | Hozumi Nakata | 2009-02-03 |
| 7417362 | Frequency regulating method for tuning fork type vibrator and tuning fork type vibrator frequency-regulated by the method | Takashi Shirai | 2008-08-26 |
| 7122945 | Tuning fork resonator, tuning fork unit, and method for producing tuning fork resonator | Tomo Fujii | 2006-10-17 |
| 6939475 | Etching method, etched product formed by the same, and piezoelectric vibration device, method for producing the same | Hozumi Nakata | 2005-09-06 |