Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5825902 | Spherical piezoelectric speaker | — | 1998-10-20 |
| 5532541 | Ultrasonic motor | — | 1996-07-02 |
| 4900970 | Energy-trapping-type piezoelectric resonance device | Akira Ando, Toshihiko Kittaka, Yukio Sakabe | 1990-02-13 |
| 4752709 | Surface acoustic wave device | Hideharu Ieki | 1988-06-21 |
| 4649313 | Piezoelectric displacement element | Toshio Ogawa, Akira Ando | 1987-03-10 |
| 4571519 | Sezawa surface acoustic wave device using a piezoelectric layer over a nitride layer on a substrate | Akira Kawabata, Tadashi Shiosaki, Fumio Takeda, Hideharu Ieki | 1986-02-18 |
| 4305158 | Television tuner | Fumio Nakayama | 1981-12-08 |
| 4302694 | Composite piezoelectric tuning fork with eccentricly located electrodes | Takeshi Nakamura | 1981-11-24 |