Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081199 | Light emitting element drive apparatus, planar illumination apparatus, and liquid crystal display apparatus | Go Takata, Toshiki Onishi, Akihiro Yamamura, Takahiro Kobayashi | 2011-12-20 |
| 7613097 | Optical pickup apparatus with bilaterally divided light beams | Toshihiro Kuroda, Kazumasa Nagano, Daisuke Furukawa | 2009-11-03 |
| 7359416 | Optical semiconductor device | Noriyuki Yoshikawa, Masanori Minamio, Hisanori Ishiguro, Hiroyuki Ishida, Yoshihiro Tomita +1 more | 2008-04-15 |
| 7139235 | Optical element with diffraction grating, semiconductor device, and optical information recording device employing the same | Naoki Nakanishi, Shoichi Takasuka, Shinichi Ijima | 2006-11-21 |
| 7119958 | Diffraction grating element and optical pickup | Masahiro Kato, Yasuyuki Kochi | 2006-10-10 |
| 7064898 | Optoelectronic device | Shoichi Takasuka, Shin'ichi Ijima, Akio Yoshikawa | 2006-06-20 |
| 7035196 | Optical head device and optical recording and reproducing apparatus having lasers aligned in a tangential direction | Shoichi Takasuka, Yukio Saitoh, Naoki Nakanishi | 2006-04-25 |
| 6988831 | Bearing structure | Takashi Nakamura, Naoyuki Wakizaka, Keiichi Furukawa | 2006-01-24 |
| 6947213 | Diffractive optical element that polarizes light and an optical pickup using the same | Shoichi Takasuka, Shinichi Ijima, Akio Yoshikawa, Teruhiro Shiono | 2005-09-20 |
| 6903517 | Cold-cathode driver and liquid crystal display | Takahiro Kobayashi | 2005-06-07 |
| 6747939 | Semiconductor laser device and optical pickup device using the same | Yukio Saitoh, Shoichi Takasuka, Naoki Nakanishi | 2004-06-08 |
| 6735024 | Optical pickup with improved optical properties | Shoichi Takasuka, Shinichi Ijima, Akio Yoshikawa, Kazutoshi Onozawa, Kazuhiko Yamanaka +1 more | 2004-05-11 |
| 6728035 | Optical device with diffraction grating having plural grating regions | Shoichi Takasuka, Shinichi Ijima, Akio Yoshikawa, Naoki Nakanishi | 2004-04-27 |
| 6728034 | Diffractive optical element that polarizes light and an optical pickup using the same | Shoichi Takasuka, Shinichi Ijima, Akio Yoshikawa, Teruhiro Shiono | 2004-04-27 |
| 6680491 | Optical electronic apparatus and method for producing the same | Toru Tsuruta, Ryuma Hirano | 2004-01-20 |
| 6665238 | Lens driving device, an optical pickup including the lens driving device, and a production method for the lens driving device | Shinichi Ijima, Kazuhiko Yamanaka, Kazutoshi Onozawa | 2003-12-16 |
| 6614743 | Semiconductor laser device | Naoki Nakanishi, Syouichi Takasuka, Shinichi Ijima, Akio Yoshikawa | 2003-09-02 |
| 6597642 | Photodetector unit, and optical pickup, optical reproduction apparatus, and optical recording apparatus equipped with the same | Shinichi Ijima, Shoichi Takasuka, Akio Yoshikawa | 2003-07-22 |
| 6587283 | Optical-component-integrated optical pickup | Shinichi Ijima, Kazuhiko Yamanaka, Kazutoshi Onozawa | 2003-07-01 |
| 6534794 | Semiconductor light-emitting unit, optical apparatus and optical disk system having heat sinking means and a heating element incorporated with the mounting system | Yoshiaki Komma, Yasuyuki Kochi, Akio Yoshikawa | 2003-03-18 |
| 6510121 | OBJECTIVE LENS DRIVING DEVICE INCLUDING A DAMPING MEMBER WHICH HAS AN OPENING ON A MAIN SURFACE TO ALLOW AN OPTICAL AXIS OF A LENS TO PASS THROUGH, AND OPTICAL PICKUP USING THE OBJECT LENS DRIVING DEVICE | Shinichi Ijima, Kazuhiko Yamanaka, Kazutoshi Onozawa | 2003-01-21 |
| 6501156 | Lead frame which includes a die pad, a support lead, and inner leads | Shin'ichi Ijima, Akio Yoshikawa, Ryuma Hirano | 2002-12-31 |
| 6501601 | Optical device with diffraction grating having plural grating regions | Shoichi Takasuka, Shinichi Ijima, Akio Yoshikawa, Naoki Nakanishi | 2002-12-31 |
| 6473248 | Method for manufacturing an optical pickup | Shoichi Takasuka, Shinichi Ijima, Akio Yoshikawa, Kazutoshi Onozawa, Kazuhiko Yamanaka +1 more | 2002-10-29 |
| 6441402 | Optical electronic apparatus and method for producing the same | Toru Tsuruta, Ryuma Hirano | 2002-08-27 |