Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7324659 | Speaker and method of manufacturing the same | Hiroyuki Morimoto, Yukio Okamoto | 2008-01-29 |
| 7209570 | Speaker | Hiroyuki Morimoto, Yukio Okamoto | 2007-04-24 |
| 7203333 | Speaker | Hiroyuki Morimoto | 2007-04-10 |
| 7151836 | Speaker apparatus and sound reproduction apparatus | Hiroyuki Morimoto, Norimitsu Kurihara | 2006-12-19 |
| 6819767 | Speaker unit and sound reproduction apparatus using the same | Hiroyuki Morimoto | 2004-11-16 |
| 6031919 | Loudspeaker system and sound reproducing apparatus | Norimitsu Kurihara | 2000-02-29 |