Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181498 | Recording and reproducing apparatus, information signal recording and reproducing system and method of managing invalid area information | Akihiro Kikuchi | 2001-01-30 |
| 5901004 | Recording and reproducing apparatus, information signal recording and reproducing system and method of managing invalid area information | Akihiro Kikuchi | 1999-05-04 |
| 5646603 | Remote control apparatus for recording/playback equipment | Atsushi Nagata, Haruo Iwasaki, Kazuhiko Shimizu, Yoshinori Tanba, Takafumi Abe +2 more | 1997-07-08 |