Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081543 | Optical disc apparatus and focus control method | — | 2011-12-20 |
| 7988798 | Amorphous alloy ribbon superior in magnetic characteristics and lamination factor | Shigekatsu Ozaki | 2011-08-02 |
| 7983120 | Optical disk apparatus, focus control method and optical disk | Hiroshi Minoda | 2011-07-19 |
| 7968814 | Optical grain sorter | Norihiko Tanaka | 2011-06-28 |