Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969854 | Optical pickup device and objective lens used in the same | Kohei Ota, Yuichi Atarashi | 2011-06-28 |
| 7957231 | Optical pickup apparatus and objective optical element | Tohru Kimura, Yuichi Atarashi, Kenji Ogiwara, Eiji Nomura | 2011-06-07 |
| 7903528 | Optical pick-up apparatus | Tohru Kimura, Kohei Ota | 2011-03-08 |
| 7889618 | Objective optical element and optical pickup apparatus | Tohru Kimura, Yuichi Atarashi, Kenji Ogiwara, Eiji Nomura | 2011-02-15 |
| 7855945 | Optical pickup apparatus and optical element | Yuichi Atarashi | 2010-12-21 |
| 7821904 | Optical pickup apparatus and objective optical element | Tohru Kimura, Yuichi Atarashi, Kenji Ogiwara, Eiji Nomura | 2010-10-26 |
| 7724634 | Optical pickup apparatus with temperature compensation | Tatsuji Kurogama | 2010-05-25 |
| 7710847 | Optical pickup apparatus | — | 2010-05-04 |
| 7710848 | Optical pickup apparatus | — | 2010-05-04 |
| 7706237 | Objective lens and optical pickup apparatus | — | 2010-04-27 |
| 7697392 | Optical pickup apparatus and optical information recording and/or reproducing apparatus | Mika Wachi, Katsuya Sakamoto | 2010-04-13 |
| 7668066 | Optical pickup apparatus | Yuichi Atarashi, Kohei Ota, Junji Hashimura | 2010-02-23 |
| 7636291 | Optical pickup apparatus | — | 2009-12-22 |
| 7577077 | Optical pickup apparatus and optical element | Yuichi Atarashi | 2009-08-18 |
| 7525879 | Objective optical element and optical pickup apparatus | Mitsuru Mimori, Junji Hashimura | 2009-04-28 |
| 7508745 | Optical element having a refractive function and an optical path difference providing function | Kohei Ota, Yuichi Atarashi | 2009-03-24 |
| 7498550 | Optical pickup apparatus which records and/or reproduces information using different types of optical information recording mediums | — | 2009-03-03 |
| 7463568 | Objective optical element and optical pickup apparatus | Mitsuru Mimori, Kohei Ota, Shinichiro Saito, Yuichi Atarashi, Katsuya Sakamoto +1 more | 2008-12-09 |
| 7426170 | Objective lens and optical pickup apparatus for reproducing and/or recording information for at least two types of optical discs | — | 2008-09-16 |
| 7369480 | Optical pickup device and optical element | Mika Wachi | 2008-05-06 |
| 7330406 | Optical pickup device and optical element used for the same | Mitsuru Mimori | 2008-02-12 |
| 7304935 | Optical pickup device and correcting element used in the optical pickup device | Shinichiro Saito, Yuichi Atarashi | 2007-12-04 |
| 7289415 | Optical pick-up apparatus and divergent angle-converting element | Shinichiro Saito, Yuichi Atarashi | 2007-10-30 |
| 7269119 | Optical pick-up apparatus | — | 2007-09-11 |
| 7206274 | Converging optical system of optical pickup device | — | 2007-04-17 |