Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8356043 | File management method | Masatoshi Kimura, Yumiko Nakamura, Kanako Ariya | 2013-01-15 |
| 6603717 | Optical disk reproducing device with automatic focus control loop | Hiroshi Oyabu | 2003-08-05 |