Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737940 | Piezoelectric resonator, manufacturing method for the same, piezoelectric filter, manufacturing method for the same, duplexer, and electronic communication device | Masaki Takeuchi, Hajime Yamada, Tadashi Nomura | 2004-05-18 |