Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D608764 | Speaker for automobile | Hironori Oishi, Junichi Tanaka | 2010-01-26 |
| D608345 | Speaker for automobile | Hironori Oishi, Junichi Tanaka | 2010-01-19 |
| D608344 | Speaker for automobile | Hironori Oishi, Junichi Tanaka | 2010-01-19 |
| D605173 | Speaker for automobile | Steeve Senescat, Hironori Oishi | 2009-12-01 |
| D591729 | Loudspeaker | — | 2009-05-05 |
| D585425 | Loudspeaker | — | 2009-01-27 |
| D584282 | Volume adjuster | Hideaki Ishizaki | 2009-01-06 |
| D578998 | Amplifier | — | 2008-10-21 |
| D576147 | Amplifier | — | 2008-09-02 |
| D512706 | Digital audio disc player equipped with mixing function | Koji Nakane | 2005-12-13 |
| 6821248 | Life supporting apparatus | — | 2004-11-23 |
| D492270 | Television receiver | Junichi Inaba | 2004-06-29 |
| D421011 | Digital audio disc player equipped with mixing function | — | 2000-02-22 |
| D290000 | Video disc player | Juichi Yamamoto, Kazuhiko Kawano, Toru Tsunetsugu, Noboru Keitoku | 1987-05-26 |