Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8279723 | Recording medium, optical device, and recording and reproducing apparatus | Morio Nakatani, Yoshiyuki Matsumura, Seiichiro Takahashi | 2012-10-02 |
| 8270280 | Optical pickup device | Seiichiro Takahashi | 2012-09-18 |
| 8264937 | Optical pickup device | — | 2012-09-11 |
| 8264938 | Optical pickup device | — | 2012-09-11 |
| 8238215 | Recording medium, and recording and reproducing apparatus | Morio Nakatani, Yoshiyuki Matsumura, Seiichiro Takahashi | 2012-08-07 |
| 8238221 | Optical pickup device and recording/reproduction device | Morio Nakatani, Yoshiyuki Matsumura, Seiichiro Takahashi | 2012-08-07 |
| 8228778 | Optical pickup device and optical disc device | — | 2012-07-24 |
| 8159907 | Optical pickup device | — | 2012-04-17 |
| 8121013 | Optical pickup apparatus and optical disc apparatus | Yoichi Tsuchiya | 2012-02-21 |
| 8102748 | Optical pickup device | — | 2012-01-24 |
| 8098704 | Semiconductor laser apparatus, method of manufacturing semiconductor laser apparatus, and optical pickup apparatus | Masayuki Hata, Yasuyuki Bessho, Yasuhiko Nomura, Masayuki Shono, Yoichi Tsuchiya | 2012-01-17 |
| 8064317 | Optical pickup apparatus and focal-point adjusting method | — | 2011-11-22 |
| 8054733 | Optical pickup device | — | 2011-11-08 |
| 8040779 | Optical pickup device and optical disc device | Katsutoshi Hibino | 2011-10-18 |
| 8023387 | Optical pickup device | Katsutoshi Hibino | 2011-09-20 |
| 7990836 | Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus | Katsutoshi Hibino | 2011-08-02 |
| 7990835 | Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus | Katsutoshi Hibino, Seiichiro Takahashi | 2011-08-02 |
| 7969853 | Optical pickup device | Morio Nakatani, Yoshiyuki Matsumura, Seiichiro Takahashi | 2011-06-28 |
| 7916612 | Optical pickup apparatus and focal-point adjusting method | Katsutoshi Hibino | 2011-03-29 |
| 7903507 | Optical pickup device and method of laying out the same | Seiji Kajiyama | 2011-03-08 |
| 7852735 | Optical pickup device | Kazushi Mori, Katsutoshi Hibino, Kenji Asano, Shogo Suzuki, Naoyuki Takagi | 2010-12-14 |
| 7801012 | Optical pickup device and optical disk apparatus | Yasuyuki Kano | 2010-09-21 |
| 7801011 | Optical pickup device and optical disk apparatus | Yasuyuki Kano | 2010-09-21 |
| 7782735 | Optical pickup device capable of handling a plurality of laser light beams having different wavelengths | Seiji Kajiyama | 2010-08-24 |
| 7609606 | Optical pickup device | Seiji Kajiyama, Yoichi Tsuchiya | 2009-10-27 |