Issued Patents 2011
Showing 1–6 of 6 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, Nobuyoshi Mori | 2011-12-13 |
| 8077585 | Condenser lens for an objective lens system | Tohru Kimura, Junji Hashimura, Toshiyuki Kojima | 2011-12-13 |
| 7969854 | Optical pickup device and objective lens used in the same | Kiyono Ikenaka, Kohei Ota | 2011-06-28 |
| 7957231 | Optical pickup apparatus and objective optical element | Tohru Kimura, Kiyono Ikenaka, Kenji Ogiwara, Eiji Nomura | 2011-06-07 |
| 7889618 | Objective optical element and optical pickup apparatus | Tohru Kimura, Kiyono Ikenaka, Kenji Ogiwara, Eiji Nomura | 2011-02-15 |
| 7872959 | Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith | Tohru Kimura, Katsuya Sakamoto | 2011-01-18 |