Issued Patents All Time
Showing 25 most recent of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10878847 | Optical information processing device | Yuichi Takahashi | 2020-12-29 |
| 9966099 | Record playback apparatus | Yuichi Takahashi, Noritaka Akagi | 2018-05-08 |
| 9911449 | Recorder and player apparatus stably keeping track of recording medium | Junichi Asada, Yasushi Kobayashi, Kousei Sano, Yuichi Takahashi | 2018-03-06 |
| 9613657 | Recording and reproducing apparatus | Yuichi Takahashi | 2017-04-04 |
| 9595287 | Recording and reproducing apparatus | Yuichi Takahashi | 2017-03-14 |
| 9361927 | Optical pickup and optical recording and reproducing device | Jun-ichi Asada, Yuichi Takahashi, Hiroaki Matsumiya | 2016-06-07 |
| 8861322 | Optical pickup and optical read/write apparatus | Hiroaki Matsumiya | 2014-10-14 |
| 8659985 | Optical pickup and optical read/write drive | Jun-ichi Asada, Yohichi Saitoh | 2014-02-25 |
| 8619523 | Optical pickup and optical read/write apparatus | Tomoaki Tojo, Yohichi Saitoh | 2013-12-31 |
| 8619522 | Optical pickup and optical read/write apparatus | Yuichi Takahashi, Jun-ichi Asada | 2013-12-31 |
| 8588046 | Information recording device and information reproducing device | Seiji Nishiwaki | 2013-11-19 |
| 8582408 | Optical read/write apparatus | Yuichi Takahashi | 2013-11-12 |
| 8537650 | Optical read/write apparatus | Hiroshi Kayama | 2013-09-17 |
| 8514679 | Optical information record/playback device | Yuichi Takahashi | 2013-08-20 |
| 8462596 | Optical pickup device and optical disc device | Yuichi Takahashi, Hiroaki Matsumiya, Jun-ichi Asada | 2013-06-11 |
| 8451700 | Optical pickup device and optical read/write apparatus | Yasushi Kobayashi, Yohichi Saitoh | 2013-05-28 |
| 8406102 | Optical pickup and optical read/write apparatus | Yohichi Saitoh, Jun-ichi Asada, Hideki Hayashi | 2013-03-26 |
| 8395975 | Optical read/write apparatus | Noboru Itoh | 2013-03-12 |
| 8391124 | Optical drive | Hiroshi Kayama | 2013-03-05 |
| 8305854 | Optical disc drive | Hiroshi Kayama | 2012-11-06 |
| 8238213 | Optical disc drive | Hiroshi Kayama | 2012-08-07 |
| 8218413 | Optical disc drive | Hiroshi Kayama | 2012-07-10 |
| 8085626 | Optical pickup device and lens for optical pickup | Yuichi Takahashi, Fumitake Sakai, Yukio Hibino, Koichi Muramatsu | 2011-12-27 |
| 8045432 | Optical disc device | Seiji Nishiwaki, Junichi Asada | 2011-10-25 |
| 8000184 | Optical pickup device and optical disc device with offset compensation | Jun Asada, Seiji Nishiwaki | 2011-08-16 |