Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849991 | Quartz resonating piece, quartz resonator, and quartz device | Guoqing Zhang, Masako Tanaka, Yukihiro Unno | 2005-02-01 |
| 6590314 | Piezoelectric resonator container, piezoelectric resonator using the same, circuit board mounting piezoelectric resonator thereon, and method for manufacturing piezoelectric resonator | Hiroshi Arahari, Setsuhiro Hama | 2003-07-08 |
| 6005329 | Method and apparatus for sealing piezoelectric resonator via laser welding | Tatsuo Ikeda, Takuo Kuwahara | 1999-12-21 |
| 5736710 | Method and apparatus for sealing piezoelectric resonator via laser welding | Tatsuo Ikeda, Takuo Kuwahara | 1998-04-07 |
| 5376861 | At-cut crystal oscillating reed and method of etching the same | Hideaki Nakamura | 1994-12-27 |
| 5314577 | At-cut crystal oscillating reed and method of etching the same | Hideaki Nakamura | 1994-05-24 |
| 5304459 | At-cut crystal oscillating reed and method of etching the same | Hideaki Nakamura | 1994-04-19 |