Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428932 | Lens array and image projection device | Takayuki Nomoto | 2022-08-30 |
| 11256089 | Lens array and image projection device | Takayuki Nomoto | 2022-02-22 |
| 10761323 | Lens array and image projection device | Takayuki Nomoto | 2020-09-01 |
| 10521233 | Electronic control unit | Masayuki Kobayashi, Masahiko Horiguchi | 2019-12-31 |
| 8004951 | Pickup device | Masakazu Ogasawara, Takuma Yanagisawa | 2011-08-23 |
| 7852736 | Optical element having aberration correction and optical pickup and optical information recording and/or reproducing apparatus equipped therewith | — | 2010-12-14 |
| 7468942 | Optical pickup, optical element, and information reproducing apparatus configured for use with any of plural types of recording media | Koichi Maruyama, Shuichi Takeuchi | 2008-12-23 |
| 7463571 | Optical element, optical pickup, and optical information recording/reproducing apparatus | — | 2008-12-09 |
| 7227704 | Diffractive optical element, objective lens module, optical pickup, and optical information recording and reproducing apparatus | — | 2007-06-05 |
| 6667947 | Optical multi-layer information recordating medium | Takanori Maeda, Ikuya Kikuchi, Makoto Sato, Yoshitsugu Araki | 2003-12-23 |
| 6641887 | Optical recording medium | Tetsuya Iida, Takamasa Yoshikawa | 2003-11-04 |
| 6625103 | Aspherical objective lens for reading information from optical disks of different thickness and manufacturing method therefor | — | 2003-09-23 |
| 6594091 | Optical pickup | Takanori Maeda, Ikuya Kikuchi, Makoto Sato | 2003-07-15 |
| 6529339 | Lens and production method therefor | Takanori Maeda, Ikuya Kikuchi, Makoto Sato | 2003-03-04 |
| 6134055 | Objective lens and optical pickup device | — | 2000-10-17 |
| 6124988 | Objective lens | Takuma Yanagisawa, Masakazu Ogasawara | 2000-09-26 |
| 5867315 | Crystal optic lens and an optical system for an optical pickup device | Yoshiyuki Tsukai | 1999-02-02 |