Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8077583 | Optical element, aberration correcting element, light converging element, objective optical system, optical pickup device, and optical information recording reproducing device | Tohru Kimura, Kiyoshi Yamashita, Yuichi Atarashi | 2011-12-13 |
| 7995446 | Optical element and optical pickup apparatus | — | 2011-08-09 |
| 7948857 | Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus | Kentarou Nakamura, Kohei Ota, Eiji Nomura | 2011-05-24 |
| 7865355 | Fast text character set recognition | Ming Xu | 2011-01-04 |