Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11849269 | Loudspeaker unit, electronic device, and mobile body apparatus | Goro Tsuchiya, Hidetoshi ASADA, Takayuki Dan | 2023-12-19 |
| 11582557 | Speaker diaphragm, speaker, speaker diaphragm manufacturing method, electronic device, and mobile body apparatus | Tetsuya KOYANAGI, Tetsushi Itano, Kazuaki Nishimura, Makoto Kurozawa, Hiroki Sano | 2023-02-14 |
| 10715897 | Speaker unit, electronic equipment and mobile object device | Goro Tsuchiya, Masataka Akatsuka | 2020-07-14 |
| D810050 | Car speaker | Goro Tsuchiya | 2018-02-13 |
| D805500 | Car speaker | Goro Tsuchiya | 2017-12-19 |