Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477795 | Image compression and expansion technique | Toshiroh Hiromitsu, Yasuhiro Kitabatake, Yasushi Tsukamoto | 2009-01-13 |
| 7436657 | Keyboard illumination device for portable computer | Seiichi Idei, Taketoshi Kohno, Noboru Aoyama | 2008-10-14 |