Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778162 | Display apparatus having digital memory cell in pixel and method of driving the same | Takashi Maeda, Takanori Tsunashima | 2004-08-17 |
| 6778757 | Data recording/reproduction apparatus and method | Osamu Kawamae, Toshifumi Takeuchi, Takao Arai | 2004-08-17 |
| 6771247 | Display and method of driving display | Hajime Sato, Takashi Maeda, Takanori Tsunashima | 2004-08-03 |
| 6711276 | Control method and apparatus for embedding information in data | Hiroshi Yoshiura, Isao Echizen, Takao Arai, Toshifumi Takeuchi, Yoshiaki Moriyama +2 more | 2004-03-23 |
| 6690813 | Method and apparatus for recording and reproducing electronic watermark information, and recording medium | Takao Arai, Toshifumi Takeuchi, Hiroshi Yoshiura | 2004-02-10 |
| 6674858 | Receiving device, recording and reproducing device and receiving/recording-reproducing system for digital broadcast signal | Takao Arai, Toshifumi Takeuchi | 2004-01-06 |