Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11604278 | Three-dimensional distance measurement device | — | 2023-03-14 |
| 10838063 | Distance measurement apparatus and angle adjustment method of the same | Naoya Matsuura, Toshimasa Kamisada | 2020-11-17 |
| 10614584 | Three-dimensional distance measurement apparatus | Naoya Matsuura, Toshimasa Kamisada | 2020-04-07 |
| 8331207 | Optical pickup and optical disc unit | Kazuyoshi Yamazaki, Tomoto Kawamura, Kunikazu Ohnishi | 2012-12-11 |
| 8094541 | Optical pickup and optical disc apparatus | — | 2012-01-10 |
| 8004956 | Optical disc drive, optical pickup and optical component used therefor | Fumio Isshiki | 2011-08-23 |
| 7936658 | Photodetector, diffraction grating, optical pickup and optical disc apparatus | Tomoto Kawamura, Kunikazu Ohnishi, Masayuki Inoue | 2011-05-03 |
| 7733759 | Optical pickup and optical disc apparatus | Kenichi Shimada | 2010-06-08 |
| 7706220 | Photodetector, diffraction grating, optical pickup and optical disc apparatus | Tomoto Kawamura, Kunikazu Ohnishi, Masayuki Inoue | 2010-04-27 |
| 6778475 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup for detecting at least three light beams separated from one or more light sources | Kunikazu Ohnishi, Kenichi Shimada, Masayuki Inoue, Shinji Fujita | 2004-08-17 |
| 6680883 | Objective lens driving device and optical disc apparatus using the same | Shinro Inui, Naohiko Otoshi, Michio Miura, Naomitsu Kuroda, Ryuichiro Mizuno | 2004-01-20 |
| 6567355 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup | Kunikazu Ohnishi, Kenichi Shimada, Masayuki Inoue, Shinji Fujita | 2003-05-20 |
| 6567352 | Objective lens driving device and optical disc apparatus using the same | Shinro Inui, Naohiko Otoshi, Michio Miura, Naomitsu Kuroda, Ryuichiro Mizuno | 2003-05-20 |
| 6195314 | Objective lens driving device and optical disc apparatus using the same | Shinro Inui, Naohiko Otoshi, Michio Miura, Naomitsu Kuroda, Ryuichiro Mizuno | 2001-02-27 |
| 5982719 | Disc auto changer for recording or reproducing information on a desired disc of a plurality of discs in a magazine | Tatsumi Nishijima, Kyuichiro Nagai, Tomomi Okamoto, Ikuo Nishida, Kouhei Takita +3 more | 1999-11-09 |
| 5608585 | Magnetic recording and reproducing apparatus with repositioning stop mode | Kenmei Masuda, Kenji Ogiro, Hidefumi Goto, Sadao Hirose, Satoshi Fujino +1 more | 1997-03-04 |
| 5448427 | Magnetic recording and reproducing apparatus | Kenmei Masuda, Kenji Ogiro, Hidefumi Goto, Sadao Hirose, Satoshi Fujino +1 more | 1995-09-05 |