Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5036188 | Remote-control-light detecting device for AV apparatus | — | 1991-07-30 |
| D295741 | Speaker | — | 1988-05-17 |
| D292091 | Speaker | — | 1987-09-29 |
| D291080 | Loudspeaker | Akira Katsuno | 1987-07-28 |
| D290000 | Video disc player | Juichi Yamamoto, Kazuhiko Kawano, Toru Tsunetsugu, Shuji Natori | 1987-05-26 |
| D266508 | Tuner | Jun Yamamoto, Toshihito Nomura | 1982-10-12 |
| D266511 | Amplifier | Jun Yamamoto | 1982-10-12 |