Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8427924 | Optical pickup apparatus | Ryoichi Kawasaki | 2013-04-23 |
| 8427921 | Light emitting device, optical pickup apparatus and method for manufacturing the same | Ryoichi Kawasaki | 2013-04-23 |
| 8385180 | Optical pickup apparatus | Ryoichi Kawasaki | 2013-02-26 |
| 8369193 | Optical pickup apparatus and manufacturing method of optical pickup apparatus | Ryoichi Kawasaki | 2013-02-05 |
| 8363526 | Optical pickup apparatus | Ryoichi Kawasaki | 2013-01-29 |
| 8363533 | Optical pickup apparatus | Ryoichi Kawasaki, Kenji Kan, Hiroyuki Shindo | 2013-01-29 |
| 8345529 | Optical pickup apparatus with astigmatism correcting collimating lens | Ryoichi Kawasaki | 2013-01-01 |
| 8339922 | Optical pickup apparatus | Ryoichi Kawasaki, Tetsuhisa Hosokawa | 2012-12-25 |
| 8305868 | Optical pickup apparatus | Ryoichi Kawasaki | 2012-11-06 |
| 8264939 | Optical pickup apparatus | Ryoichi Kawasaki | 2012-09-11 |
| 8223614 | Method of manufacturing synthetic resin lens, method of manufacturing reformed synthetic resin material and optical pickup apparatus | Ryoichi Kawasaki, Hiroyuki Ichikawa | 2012-07-17 |
| 8213286 | Photodetector and optical pickup apparatus including the same | Ryoichi Kawasaki | 2012-07-03 |
| 8203926 | Optical pickup apparatus | Ryoichi Kawasaki | 2012-06-19 |
| 8184519 | Optical pickup apparatus | Ryoichi Kawasaki | 2012-05-22 |
| 8179770 | Optical pickup apparatus | Kenichirou Kawabuchi, Ryoichi Kawasaki | 2012-05-15 |
| 8165003 | Optical pickup device | Ryouichi Kawasaki, Shigeru Nakamura | 2012-04-24 |
| 8165002 | Optical pickup apparatus and objective lens | Ryoichi Kawasaki | 2012-04-24 |
| 8154978 | Optical pickup apparatus | Ryoichi Kawasaki, Kenji Kan, Hiroyuki Shindo | 2012-04-10 |
| 8081553 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-12-20 |
| 8045428 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-10-25 |
| 7957234 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-06-07 |
| 7952980 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-05-31 |
| 7898929 | Objective lens, and method of manufacturing the same and optical pickup apparatus | Ryoichi Kawasaki, Hiroyuki Ichikawa | 2011-03-01 |
| 7898910 | Optical pickup apparatus | Ryoichi Kawasaki | 2011-03-01 |
| 7796475 | Optical pickup apparatus | Ryoichi Kawasaki | 2010-09-14 |