Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7869338 | Position detection device, position detection method, position detection control device, position detection control method, position detection control program, access authentication device, access authentication method, access authentication control device, access authentication control method, access authentication control program, information storage device, and optical disk | Harumitsu Miyashita, Toyoji Gushima, Masaru Yamaoka | 2011-01-11 |