Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187867 | Optical wireless communication system | Koji Kawabe, Yoshiki Furukawa, Hiroki Yokoyama, Hiroyuki Oka, Daisuke Uchida +1 more | 2007-03-06 |
| 6234651 | Touch sensitive switch with light | Tomoaki Kodama | 2001-05-22 |
| 6005556 | Optical pointing device and pointing method using the same | Tomoaki Kodama, Hiroki Yokoyama, Hiroyuki Abe | 1999-12-21 |
| 5808606 | Optical coordinate input apparatus | Tomoaki Kodama, Yorimi Yokoyama | 1998-09-15 |
| 5698845 | Optical detection apparatus for detecting light interruption | Tomoaki Kodama | 1997-12-16 |