Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7248308 | Spread illuminating apparatus to illuminate two liquid crystal display panels different in screen size | Hitoshi Mizutani, Satoshi Kawashima, Kazutoshi Takayanagi, Motoji Egawa | 2007-07-24 |
| 7056004 | Spread illuminating apparatus with light conductive plate having polygonal configuration | Hitoshi Mizutani, Satoshi Kawashima, Toru Kunimochi | 2006-06-06 |
| 6784948 | Touch panel for display device with pet film having transparent gel layer | Satoshi Kawashima | 2004-08-31 |