Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11682375 | Speaker system, sound processing device, sound processing method, and recording medium | Udeni Sangakkara, Takuto Takizawa, Eiji Saitou, Minoru Umesako | 2023-06-20 |
| 11251499 | Battery cover and battery pack | Kunihiko Itou, Eiji Saitou, Kazuhiko Miura, Masahiro Mizuta | 2022-02-15 |
| 10856061 | Speaker device | Minoru Umesako, Takuto Takizawa, Hiroya Morikawa | 2020-12-01 |
| 10674275 | Electroacoustic transducer and display apparatus | Senri NAKAMOTO, Katsuhiko Kotsugi, Kazutaka Goto | 2020-06-02 |
| 10492006 | Electroacoustic transducer and display apparatus | Senri NAKAMOTO, Katsuhiko Kotsugi, Kazutaka Goto | 2019-11-26 |
| 9551890 | Electronic apparatus | Shuji Yamashita, Eiji Saitou, Kazutaka Goto | 2017-01-24 |