Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938594 | Earphone | Kyoji Yoshikawa | 2021-12-14 |
| D938595 | Earphone | Akihiro Soeta, Kei Koyama | 2021-12-14 |
| 11184720 | Electroacoustic transducer and acoustic device | Kyoji Yoshikawa | 2021-11-23 |
| 11178495 | Electromechanical transducer and electroacoustic transducer | — | 2021-11-16 |
| 11051097 | Installation structure of vibrator | Akihiro Soeta | 2021-06-29 |
| 11016509 | Image capturing system for shape measurement of structure, on-board controller | Takayuki Ishida | 2021-05-25 |