Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239159 | Heat-dissipating structure for lighting apparatus and lighting apparatus | Hiromitsu Takenaka | 2016-01-19 |
| 8526286 | Optical pick-up apparatus with diffractive optical element and optical recording/reproducing apparatus having the same | Seong Su Park, Joji Anzai, Yong-han Yoon, Jong Uk Kim | 2013-09-03 |
| 8194522 | Aspheric lens and optical pickup including the same | Bong-gi Kim, Soo-han Park, Joong-eon Seo | 2012-06-05 |
| 8130622 | Optical pickup apparatus having multi-sectional polarizer | Seong Su Park, Soo-han Park, Bong-gi Kim, Myoung Seok Kim, Jung-woo Hong | 2012-03-06 |
| 7898922 | Optical pickup apparatus | Jang-hoon Yoo, Soo-han Park, Do Hoon Nam, Ho Jin Yoon, Myoung Seok Kim | 2011-03-01 |
| 6813234 | Optical pickup device and method of adjusting the same | Mitsuhiro Togashi, Naoki Kaiho, Noriyoshi Takeya | 2004-11-02 |
| 6704152 | Light irradiating device, optical pickup device with the same, method of adjusting light irradiating device | Mitsuhiro Togashi, Naoki Kaiho, Noriyoshi Takeya | 2004-03-09 |
| 6014129 | Coordinate position of moving light source by using separated groups of detectors each group having an iris | Yuichi Umeda, Junichi Saito, Masaru Nakayama, Arao Sato, Kazuhiro Katagiri | 2000-01-11 |
| 5963194 | Apparatus for inclination detection and input apparatus using this apparatus | Yuichi Umeda, Junichi Saito, Masaru Nakayama, Arao Sato, Kazuhiro Katagiri | 1999-10-05 |
| 5627565 | Space coordinates detecting device and input apparatus using same | Yuichi Yasuda, Yuichi Umeda, Arao Sato, Junichi Saito, Masahiro Tanaka +4 more | 1997-05-06 |
| 5220550 | Optical beam system for optical disk drives | Masaru Nakayama, Harutaka Sekiya | 1993-06-15 |
| 5099109 | Optical reader with reduced regular reflection errors | Hiroshi Ishikawa | 1992-03-24 |
| 5033042 | Optical apparatus for optical pickup | — | 1991-07-16 |
| 4925283 | Objective lens for optical memory device | Hiroko Hanzawa | 1990-05-15 |
| 4904062 | Collimating lens for use in optical memories | Hiroko Hanzawa | 1990-02-27 |
| 4820029 | Objective lens for optical pickup | Masato Iwai, Masaru Nakayama | 1989-04-11 |