Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806625 | Piezoelectric ceramic composition and piezoelectric element | Tomoyuki Ogawa, Katsuhiro Horikawa | 2004-10-19 |
| 6440324 | Method for manufacturing piezoelectric ceramic composition, piezoelectric resonator, piezoelectric transformer and piezoelectric actuator, and piezoelectric laminated sintered body | Koichi Hayashi, Akira Ando, Yuji Yoshikawa, Masanori Kimura | 2002-08-27 |
| 5798052 | Piezoelectric ceramic composition | Akira Ando | 1998-08-25 |