Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957231 | Optical pickup apparatus and objective optical element | Tohru Kimura, Yuichi Atarashi, Kiyono Ikenaka, Kenji Ogiwara | 2011-06-07 |
| 7957249 | Objective lens, optical pickup apparatus and optical information recording and/or reproducing apparatus | Tohru Kimura | 2011-06-07 |
| 7948857 | Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus | Kentarou Nakamura, Kohei Ota, Nobuyoshi Mori | 2011-05-24 |
| 7889618 | Objective optical element and optical pickup apparatus | Tohru Kimura, Yuichi Atarashi, Kiyono Ikenaka, Kenji Ogiwara | 2011-02-15 |
| 7885167 | Objective lens for optical pickup apparatus, objective lens unit for optical pickup apparatus and optical pickup apparatus using the same | Kentarou Nakamura | 2011-02-08 |