Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791700 | Coordinate inputting/detecting apparatus, method and computer program product designed to precisely recognize a designating state of a designating device designating a position | Kunikazu Tsuda, Mitsuru Sato | 2004-09-14 |
| 6762747 | Coordinate input detection device and method for electronic blackboard | Susumu Fujioka, Kunikazu Tsuda | 2004-07-13 |
| 6760009 | Coordinate position inputting/detecting device, a method for inputting/detecting the coordinate position, and a display board system | Takao Inoue | 2004-07-06 |