Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422572 | Magnetic tape cartridge storage | Norihiro Oura, Syunji Isida, Masatoshi Kayama, Tetsuya Nagata | 2000-04-11 |
| D336079 | Optical disc unit | Shingo Nakamura, Shuuzou Katou | 1993-06-01 |