Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11395070 | Diaphragm and electroacoustic transducer including the diaphragm | — | 2022-07-19 |
| 11330362 | Acoustic device | Tsunenori SANO, Masao Noro | 2022-05-10 |
| 10182294 | Electroacoustic transducer | — | 2019-01-15 |
| D808932 | Speaker diaphragm | Masao Noro, Soichi Takigawa, Kenichi Yoshinaga | 2018-01-30 |
| D808933 | Speaker diaphragm | Masao Noro, Soichi Takigawa, Kenichi Yoshinaga | 2018-01-30 |
| D775608 | Speaker diaphragm | Masao Noro, Soichi Takigawa, Kenichi Yoshinaga | 2017-01-03 |