Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7454771 | Optical recording medium and disc cartridge | Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2008-11-18 |
| 7305689 | Optical recording medium and disc cartridge | Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2007-12-04 |
| 7154839 | Optical pickup apparatus and signal recording and/or reproducing apparatus | Nobuhiko Ando | 2006-12-26 |
| 7007292 | Disk cartridge device operative with disk cartridges of different sizes and height | Yotaro Sanada, Yoshio Kusui | 2006-02-28 |
| 6785222 | Read-only optical recording medium and disc cartridge | Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2004-08-31 |
| D494981 | Transparent disc cartridge | Nobuyuki Takamori, Taisuke Saeki, Hideharu Tajima, Minoru Shimizu, Shunsuke Nirei +3 more | 2004-08-24 |
| D494600 | Disc cartridge | Nobuyuki Takamori, Taisuke Saeki, Hideharu Tajima, Minoru Shimizu, Shunsuke Nirei +3 more | 2004-08-17 |
| 6747943 | Optical recording medium and disc cartridge | Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2004-06-08 |
| 6741537 | Disk cartridge device operative with disk cartridges of different sizes and height | Yotaro Sanada, Yoshio Kusui | 2004-05-25 |
| 6741526 | Magnetic head device and recording/reproducing apparatus using the magnetic head device | Kazuhiko Fujiie, Tomohiro Koda | 2004-05-25 |
| 6704275 | Optical recording medium and disc cartridge having 2 GB capacity | Yoshitaka Aoki, Tetsu Watanabe, Kazuhiko Fujiie, Yasuaki Maeda, Takuya Kaeriyama | 2004-03-09 |
| 6700851 | Disk cartridge device for universally mounting and positioning disk cartridges having disks of different size diameters | Yotaro Sanada, Yoshio Kusui | 2004-03-02 |
| 6603725 | Disk cartridge apparatus | Yotaro Sanada, Yoshio Kusui | 2003-08-05 |
| 6538984 | Disk cartridge and disk cartridge loading method | Yotaro Sanada, Yoshio Kusui | 2003-03-25 |