Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7293294 | Method and apparatus for using contents | Shigeki Hirasawa, Kousuke Anzai, Isao Echizen, Hiroshi Yoshiura, Masataka Okayama +1 more | 2007-11-06 |
| 7096486 | TV program selection support system | Yuichi Yagawa, Katsuhiko Abe, Hideo Nishijima, Hitoaki Owashi, Yoshiyuki Azuma | 2006-08-22 |
| 6801713 | Recorded program viewing support method | Yuichi Yagawa, Akira Tanaka, Hideo Nishijima, Hitoaki Owashi | 2004-10-05 |
| 6101506 | Method and system for managing files by version and programs therefor | Yuichi Yagawa | 2000-08-08 |