Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11849269 | Loudspeaker unit, electronic device, and mobile body apparatus | Ryouichi Uemoto, Hidetoshi ASADA, Takayuki Dan | 2023-12-19 |
| 10715897 | Speaker unit, electronic equipment and mobile object device | Ryouichi Uemoto, Masataka Akatsuka | 2020-07-14 |
| D810050 | Car speaker | Ryouichi Uemoto | 2018-02-13 |
| D805500 | Car speaker | Ryouichi Uemoto | 2017-12-19 |
| 9277304 | Magnetic circuit for loudspeaker, and loudspeaker using same | Mitsukazu Kuze, Satoshi Koura, Shinya Mizone, Tetsushi Itano | 2016-03-01 |
| 9161109 | Loudspeaker, and electronic apparatus and mobile device using the loudspeaker | Shinya Kagawa, Koji Sano, Akihiro Yogo, Kenichi Ajiki, Mitsukazu Kuze | 2015-10-13 |
| 8068634 | Diaphragm and speaker using same | — | 2011-11-29 |