Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7349320 | Apparatus for switching modes based on quantity of light received in first section of a photodetector section and first plus second section for controlling a laser diode output | Makoto Takashima | 2008-03-25 |
| 7327935 | Information recorder, system for copying information, method for copying information, program and computer readable recording medium | Fumitomo Yamasaki, Takao Hayashi | 2008-02-05 |
| 7317675 | Method of manufacturing optical head | Hideki Nakata, Hironori Tomita | 2008-01-08 |
| 7317672 | Optical head | Hideki Nakata, Hironori Tomita | 2008-01-08 |
| 7209411 | Method of manufacturing optical head | Hideki Nakata, Hironori Tomita | 2007-04-24 |
| 7200849 | Optical head and optical disc drive | Tohru Nakamura, Osamu Mizuno | 2007-04-03 |
| 7196975 | Magneto-optical disk with protective layer, and optical disk device | Tohru Nakamura | 2007-03-27 |
| 7158469 | Optical head with light-receiving device | Tohru Nakamura, Hideki Nakata | 2007-01-02 |
| 7154535 | Digital camera capable of directly accessing images recorded on another digital camera | Fumitomo Yamasaki, Tohru Nakamura | 2006-12-26 |
| 7036134 | Optical head and method of manufacturing the same | Hideki Nakata, Hironori Tomita, Kenichi Miyamori, Takuya Wada | 2006-04-25 |
| 7013473 | Transducer-supporting structure | Osamu Mizuno, Yutaka Murakami, Hisayuki Enshu, Tohru Nakamura | 2006-03-14 |
| 6970404 | Information recording/reproducing apparatus | Fumitomo Yamasaki, Akihiro Arai, Tohru Nakamura | 2005-11-29 |
| 6941572 | Optical information recording medium and optical information recording/reproduction apparatus | Takuya Wada | 2005-09-06 |
| 6865743 | Optical head and method of manufacturing the same | Hideki Nakata, Hironori Tomita, Kenichi Miyamori, Takuya Wada | 2005-03-08 |
| 6831882 | Optical head and optical head feeder | Makoto Takashima, Hideki Nakata, Hironori Tomita, Tadashi Kuroda, Toru Tanaka | 2004-12-14 |
| 6788627 | Optical recording and reproducing apparatus, tilt correction method, tilt correction program and medium | Tohru Nakamura | 2004-09-07 |
| 6731587 | Transducer-supporting structure | Osamu Mizuno, Yutaka Murakami, Hisayuki Enshu, Tohru Nakamura | 2004-05-04 |
| 6310852 | Optical recording/reproducing apparatus | Hironori Tomita, Hideki Nakata, Hiromichi FURUKAWA | 2001-10-30 |
| 6278666 | Magneto-optical disk recording and reproducing device | Hideki Nakata, Yutaka Murakami, Kenichi Miyamori | 2001-08-21 |
| 5751688 | Optical disc clamp mechanism for use in selectively clamping a mini disc or a compact disc in an optical disc apparatus | Osamu Mizuno, Tohru Nakamura, Hironori Tomita, Masanari Mohri | 1998-05-12 |
| 5646934 | Adapter and adapter system for playback of a compact disc and a mini disc in an optical disc apparatus | Osamu Mizuno, Tohru Nakamura, Hironori Tomita, Masanari Mohri | 1997-07-08 |
| 5600515 | Sliding type magnetic head assembly having a spherical contact surface offset from a magnetic pole | Osamu Mizuno, Tohru Nakamura | 1997-02-04 |
| 5586105 | Optical disc clamp mechanism and adapter for use in an optical disc apparatus | Osamu Mizuno, Tohru Nakamura, Hironori Tomita, Masanari Mohri | 1996-12-17 |
| 5532999 | Optical detector having stray carrier absorption regions between light receiving elements, and an optical head using the same | Makoto Takashima, Hiroyuki Nakamura, Tohru Nakamura | 1996-07-02 |
| 5416765 | Optical head for use in an optical disk apparatus | Tohru Nakamura | 1995-05-16 |