Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767503 | Method of producing ceramic | Hirozumi Ogawa, Akira Ando | 2004-07-27 |
| 6753642 | Piezoelectric ceramic and piezoelectric ceramic element including the same | Hirozumi Ogawa, Akira Ando | 2004-06-22 |
| 6734606 | Piezoelectric ceramic composition and piezoelectric ceramic element using the same | Hirozumi Ogawa, Takuya Sawada, Akira Ando | 2004-05-11 |
| 6700303 | Piezoelectric element | Akira Ando, Takuya Sawada | 2004-03-02 |
| 6690246 | Oscillator and production method therefor | Akira Ando, Takuya Sawada, Koichi Hayashi | 2004-02-10 |