Issued Patents All Time
Showing 51–75 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7916585 | Optical disc drive and method of controlling focal position | — | 2011-03-29 |
| 7869330 | Optical disc apparatus and method for reproducing information | Goro Fujita | 2011-01-11 |
| 7833000 | Optical modeling apparatus | Nobuhiro Kihara, Masanobu Yamamoto, Yuichi Aki, Takeshi Yamasaki | 2010-11-16 |
| 7636292 | Lens holding member, focusing lens using lens holding member, optical pickup apparatus and optical recording and reproducing apparatus | Masataka Shinoda, Takao Kondo | 2009-12-22 |
| 7613082 | Optical pickup device, optical recording and reproducing apparatus and gap detection method | Tsutomu Ishimoto | 2009-11-03 |
| 7583580 | Optical recording medium as well as optical recording and reproduction method | Takeshi Yamasaki, Ariyoshi Nakaoki | 2009-09-01 |
| 7535808 | Tilt control method and optical disc apparatus | Tsutomu Ishimoto | 2009-05-19 |
| 7477588 | Apparatus for and method of recording and reproducing holograms | Hisayuki Yamatsu | 2009-01-13 |
| 7462855 | Optical recording and reproducing apparatus, optical head, optical recording and reproducing method and skew detection method | Tsutomu Ishimoto | 2008-12-09 |
| 7440383 | Optical pickup device and recording and/or reproducing apparatus | Tsutomu Ishimoto | 2008-10-21 |
| 7420908 | Optical recording medium | Koichiro Kishima | 2008-09-02 |
| 7420888 | Optical recording medium and optical recording/reproducing method | Masataka Shinoda | 2008-09-02 |
| 7414947 | Optical pickup device, recording and reproducing apparatus and gap detection method | Tsutomu Ishimoto | 2008-08-19 |
| 7230902 | Optical pickup device, recording and reproducing apparatus and gap detection method | Tsutomu Ishimoto | 2007-06-12 |
| 7106683 | Optical pickup device and recording/reproducing device | Tsutomu Ishimoto | 2006-09-12 |
| 6967050 | Optical recording medium and a method of manufacturing the same | Koichiro Kishima, Isao Ichimura, Kiyoshi Osato | 2005-11-22 |
| 6683845 | Optical recording medium, method of producing same, and optical recording and reproduction device | Koichiro Kishima, Yuji Kuroda, Isao Ichimura, Kiyoshi Osato | 2004-01-27 |
| 6552968 | Optical recording medium, method of producing same, and optical recording and reproduction device | Koichiro Kishima, Yuji Kuroda, Isao Ichimura, Kiyoshi Osato | 2003-04-22 |
| 6473385 | Optical head, and optical recording and/or reproducing apparatus | — | 2002-10-29 |
| 6407976 | Method for controlling laser light power, method for data recording into optical disc, and optical disc recording apparatus | Toru Nagara, Akio Terada | 2002-06-18 |
| 6243327 | Magneto-optical disk system having a relation between a numerical aperture of an objective lens and the thickness of a cover layer | Ariyoshi Nakaoki | 2001-06-05 |
| 6084843 | Optical recording and reproducing apparatus and method | Tsuguhiro Abe, Junichi Suzuki, Satoshi Hineno | 2000-07-04 |
| 5982731 | Optical pickup and opto-magnetic signal reproducing apparatus | Noriaki Nishi, Shuichi Matsumoto, Masato Hattori | 1999-11-09 |
| 5917798 | Apparatus and method for recording and/or playing back optical information and media for it apparatus and method for recording and/or playing back optical information and media for them | Hideyoshi Horimai | 1999-06-29 |
| 5903529 | Optical pickup device and disk player apparatus | Noriaki Nishi, Kazuyoshi Horie, Yasuo Sasaki, Kenji Araki, Kazuhiko Okamatsu | 1999-05-11 |