Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864420 | Screen | Akira Shinbo | 2011-01-04 |
| 7848186 | Objective lens and method of manufacturing optical pickup apparatus | Ryoichi Kawasaki | 2010-12-07 |
| 7778119 | Objective lens holding device and optical pickup apparatus | Ryoichi Kawasaki | 2010-08-17 |
| 7744227 | Projector including a turn table for shifting a lens barrel | Takeshi Ishikawa | 2010-06-29 |
| 7742382 | Laser converging apparatus, optical pickup device and optical disc recording/reproduction apparatus | — | 2010-06-22 |
| 7679055 | Pattern displacement measuring method and pattern measuring device | Takumichi Sutani, Ryoichi Matsuoka, Hidetoshi Morokuma, Akiyuki Sugiyama | 2010-03-16 |
| 7664004 | Optical pickup apparatus | — | 2010-02-16 |
| 7639591 | Photodetector and optical pickup apparatus | — | 2009-12-29 |
| 7527718 | Method of treating gas sensor element | Kunihiko Nakagaki, Sang Jae Lee | 2009-05-05 |
| 7515361 | Lens holder and optical pickup apparatus having the same | Ryoichi Kawasaki | 2009-04-07 |
| 7481538 | Illuminator and projector | Makoto Furusawa, Akira Hashimoto, Toru Kurihara | 2009-01-27 |
| 7473391 | Methods for making molding material, molded body, and sintered body | Yuki Bessho | 2009-01-06 |
| 7457055 | Lens driving apparatus and optical pickup unit having the same | Ryoichi Kawasaki | 2008-11-25 |
| D556810 | Projector | Hiroto Miyauchi, Akira Hashimoto | 2007-12-04 |
| 7289416 | Optical pickup and optical disk apparatus | — | 2007-10-30 |
| 7233564 | Optical disk apparatus | Kenji Shimozawa, Hiroshi Konuma, Masanori Tei, Takahiro Yamamoto | 2007-06-19 |
| 6542315 | Optical pick-up device | — | 2003-04-01 |
| 5963515 | Optical pickup device for detecting a tracking error of a main spot on an optical disk | — | 1999-10-05 |
| 5739797 | Head-mounted virtual image display device having switching means enabling user to select eye to view image | Joji Karasawa, Hiroshi Kamakura, Shoichi Uchiyama, Takeshi Furihata, Masafumi Sakaguchi | 1998-04-14 |
| D380032 | Virtual vision display | Makoto Kobayashi, Masafumi Sakaguchi | 1997-06-17 |
| 5592460 | Low profile optical pickup unit for recording/reproducing device | — | 1997-01-07 |
| 5132919 | Automatic measuring device for measuring the amount of wax, oil and other substances applied on the surface of a workpiece | Masahiro Nishio, Masaya Imai, Mitsuo Kamio, Sadao Hisada, Atsuo Watanabe +1 more | 1992-07-21 |