Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734606 | Piezoelectric ceramic composition and piezoelectric ceramic element using the same | Masahiko Kimura, Hirozumi Ogawa, Akira Ando | 2004-05-11 |
| 6700303 | Piezoelectric element | Akira Ando, Masahiko Kimura | 2004-03-02 |
| 6690246 | Oscillator and production method therefor | Masahiko Kimura, Akira Ando, Koichi Hayashi | 2004-02-10 |