Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |