Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10477295 | Earphone | Akira Tamadera, Masanori Ito, Naoki Imagawa | 2019-11-12 |
| 10419845 | Headphones and speaker unit | Shun Muramoto, Akira Tamadera | 2019-09-17 |
| 10362380 | Headphone | Masanori Ito | 2019-07-23 |
| 5523643 | Ultrasonic piezoelectric transducer and ultrasonic actuator | Takanao Fujimura, Tomoki Funakubo, Yougo Imai, Toshiharu Tsubata, Yoshihisa Taniguchi +3 more | 1996-06-04 |
| 5416375 | Ultrasonic motor | Tomoki Funakubo, Takanao Fujimura, Hiroyuki Imabayashi, Yoshihisa Taniguchi, Toshiharu Tsubata | 1995-05-16 |