Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7567684 | Speaker diaphragm and speaker using the same | Yushi Ono, Sadatoshi Hisamoto | 2009-07-28 |
| 7313596 | Multicast data communication method, multicast data communication system, repeater, repeating method, and medium for storing repeating programs | Seiichiro Tani, Toshiaki Miyazaki, Noriyuki Takahashi, Takahiro Murooka, Shinya Ishihara | 2007-12-25 |