Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D934474 | Lighting speaker | — | 2021-10-26 |
| 10132451 | Bulb-type light source apparatus and translucent cover | Naoki Yotsumoto, Takashi Sato, Masaki Ohno | 2018-11-20 |
| 9851092 | Electric light bulb type light source apparatus and translucent cover | Naoki Yotsumoto, Kouji Miyata, Tatsuhiro Obara | 2017-12-26 |
| D686270 | Projector | — | 2013-07-16 |
| D675596 | Speaker box | Kiyoshi Oota | 2013-02-05 |
| D674379 | Audio visual device | Akio Suzuki, Hidefumi Goto, Hirohisa Tanaka, Takuro Hibino, Xiaofeng F. Song +1 more | 2013-01-15 |
| D648320 | Speaker | — | 2011-11-08 |
| D645449 | Speaker | — | 2011-09-20 |
| D640250 | Disc player | Kiyoshi Oota | 2011-06-21 |
| D550199 | Combined digital disc player and navigation system for vehicle | Shinichi Sato | 2007-09-04 |