Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486743 | Device for driving and detecting oscillator | Kazuo Hasegawa | 2002-11-26 |
| 6483356 | Sinusoidal signal generating circuit providing small phase difference with respect to reference signal and apparatus for driving oscillating element with circuit | Hirohisa Suzuki, Masaaki Nishimura, Kazuo Hasegawa | 2002-11-19 |
| 6397676 | Piezoelectric oscillator and signal detection apparatus using the same | Yasuichi Ono, Kazuo Hasegawa | 2002-06-04 |