Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7260041 | Disk drive | Kozo Ezawa, Takeo Santo, Masahiro Inata, Yoshito Saji, Masuo Maruyama +3 more | 2007-08-21 |
| 5903538 | Automatic disk change apparatus and disk tray for the apparatus | Makoto Fujita, Yasuhisa Fukushima, Yoshio Umeda, Kozo Ezawa | 1999-05-11 |
| 5278821 | Cleaning cartridge for an optical recording apparatus | Ichiro Kawamura | 1994-01-11 |
| 5260929 | Optical disk drive including dust-proofing annular projections | Kazuo Momoo, Shoji Goto, Ichiro Kawamura, Hiroshi Yamamoto | 1993-11-09 |
| 5229983 | Bias magnetic field generating apparatus for magneto-optical recording and reproducing system | Ichiro Kawamura, Yukinori Okazaki, Ryoichi Imanaka | 1993-07-20 |
| 5124975 | Device for opening and closing a shutter of a disk cartridge | Ichiro Kawamura | 1992-06-23 |