Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424790 | Video tape recorder having control head upstream of erase head | Toshiyuki Ishii, Seiichi Misawa, Joji Fukuda, Tetsuo Nishigaki, Kiyoshi Ota | 2002-07-23 |
| 6341047 | AV data base for VTR | Toshiyuki Ishii, Seiichi Misawa, Joji Fukuda, Tetsuo Nishigaki, Kiyoshi Ota | 2002-01-22 |
| 6018613 | Disc player that reinitializes when a disc is ejected | Kiyoshi Ota, Toshiyuki Ishii | 2000-01-25 |
| 5907446 | Video tape recorder for recording management data on video tape | Toshiyuki Ishii, Seiichi Misawa, Joji Fukuda, Tetsuo Nishigaki, Kiyoshi Ota | 1999-05-25 |
| 5745640 | AV data base for VTR | Toshiyuki Ishii, Seiichi Misawa, Joji Fukuda, Tetsuo Nishigaki, Kiyoshi Ota | 1998-04-28 |
| 5430553 | Disc reproducing apparatus | Toshiyuki Ishii, Kiyoshi Ota | 1995-07-04 |
| 5396340 | Optical disc reproducing apparatus having displaying made control key functions | Toshiyuki Ishii, Hideki Matsumoto | 1995-03-07 |
| 5365502 | Optical disc player having a resume function | — | 1994-11-15 |
| 5331423 | Disc player with an automatic initialization function | Kiyoshi Ota, Toshiyuki Ishii | 1994-07-19 |