Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740860 | Photodetector, photosensing position detector, coordinate input device, coordinate input/output apparatus, and photodetection method | — | 2004-05-25 |
| 6731271 | Coordinate input device and its control method, and computer readable memory | Atsushi Tanaka, Masahide Hasegawa, Masaaki Kanashiki, Yuichiro Yoshimura, Katsuyuki Kobayashi | 2004-05-04 |
| 6714310 | Coordinate input apparatus and method, and computer-readable memory therefor | Atsushi Tanaka, Masahide Hasegawa, Masaaki Kanashiki, Yuichiro Yoshimura, Katsuyuki Kobayashi | 2004-03-30 |
| 6710767 | Coordinate input apparatus | Masahide Hasegawa, Masaaki Kanashiki, Atsushi Tanaka, Yuichiro Yoshimura, Katsuyuki Kobayashi | 2004-03-23 |