Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6445108 | Piezoelectric acoustic component | Takeshi Kishimoto, Muneyuki Daidai, Akihiro Nomura, Masayuki Fujino | 2002-09-03 |
| 6420818 | Electroacoustic transducer | Takeshi Kishimoto | 2002-07-16 |