| Patent | Date |
|---|
Optical recording medium having BCA of write-once information
Grant 7,590,031 - Miyatake , et al. September 15, 2 | 2009-09-15 |
Magneto-optical recording medium having watermark for preventing unauthorized copy
Grant 7,414,924 - Oshima , et al. August 19, 2 | 2008-08-19 |
Apparatus for reproducing information data from magneto-optical recording medium using linear polarized beam
Grant 7,251,200 - Miyatake , et al. July 31, 2 | 2007-07-31 |
Optical disk, method for recording and reproducing write-once information on and from optical disk, otpical disk reproducing device, optical disk recording and reproducing device, device for recording write-once information on optical disk, and optical disk recording device
App 20070127352 - Oshima; Mitsuaki ; et al. | 2007-06-07 |
Disk-shaped storage medium and tracking method using the same
Grant 7,002,883 - Nakamura , et al. February 21, 2 | 2006-02-21 |
Magneto-optical recording medium for use in domain wall displacement detection system, and method for producing the same
Grant 6,975,564 - Uchida , et al. December 13, 2 | 2005-12-13 |
Optical disk, method for recording and reproducing additional information to and from optical disk, reproducing apparatus for optical disk, and recording and reproducing apparatus for optical disk
Grant 6,973,015 - Murakami , et al. December 6, 2 | 2005-12-06 |
Optical disk, method for recording and reproducing write-once information on and from optical disk, optical disk reproducing device, optical disk recording and reproducing device, device for recording write-once information on optical disk, and optical disk recording device
App 20050163026 - Oshima, Mitsuaki ; et al. | 2005-07-28 |
High density optical disk, apparatus for reproducing optical disk and method for producing optical disk master
Grant 6,887,652 - Hino , et al. May 3, 2 | 2005-05-03 |
Information reproducing method and information reproducing device
Grant 6,836,457 - Nakamura , et al. December 28, 2 | 2004-12-28 |
Magneto-optical disk and method for producing same by initializing with a laser having a predetermined wavelength
Grant 6,767,697 - Uchida , et al. July 27, 2 | 2004-07-27 |
Optical disk and method for producing the same
App 20040090875 - Uchida, Kiyoshi ; et al. | 2004-05-13 |
Disk-shaped storage medium and tracking method using the same
App 20040047279 - Nakamura, Tadashi ; et al. | 2004-03-11 |
Optical disk, recording device for optical disk, reproducing device for optical disk, mehtod of reproducing optical disk and method of producing optical disk
App 20040047252 - Miyatake, Norio ; et al. | 2004-03-11 |
Disklike storage medium and tracking method using the same
Grant 6,628,578 - Nakamura , et al. September 30, 2 | 2003-09-30 |
Optical disk, method for recording and reproducing write-once information on and from optical disk, optical disk reproducing device, optical disk recording and reproducing device, device for recording write-once information on optical disk, and optical disk recording device
App 20030137913 - Oshima, Mitsuaki ; et al. | 2003-07-24 |
Method for reproducing information data from magneto-optical recording medium using linear polarized beam
Grant 6,584,046 - Oshima , et al. June 24, 2 | 2003-06-24 |
Optical disk and method for producing the same
App 20020058120 - Uchida, Kiyoshi ; et al. | 2002-05-16 |
Method of reading magneto-optical recording medium
Grant 6,307,819 - Birukawa , et al. October 23, 2 | 2001-10-23 |
High density optical disk, apparartus for reproducing optical disk and method for producing optical disk master
App 20010026505 - Hino, Yasumori ; et al. | 2001-10-04 |
Optical disk, method for recording and reproducing write-once information on and from optical disk, optical disk reproducing device, optical disk recording and reproducing device, device for recording write-once information on optical disk, and optical disk recording device
App 20010021144 - Oshima, Mitsuaki ; et al. | 2001-09-13 |
Recording method for a magneto-optical recording medium for position adjustment of a magnetic head
Grant 6,269,056 - Birukawa , et al. July 31, 2 | 2001-07-31 |
Magneto-optical disk having write-once identification marks and method for recording thereof
Grant 6,266,299 - Oshima , et al. July 24, 2 | 2001-07-24 |
Method for reading magnetic super resolution type magneto-optical recording medium
Grant 5,986,977 - Birukawa , et al. November 16, 1 | 1999-11-16 |
Magnetic-field generator for use in a magneto-optical disk unit
Grant 5,517,472 - Miyatake , et al. May 14, 1 | 1996-05-14 |
Optical recording disk, and recording/reading apparatus using same
Grant 5,422,874 - Birukawa , et al. June 6, 1 | 1995-06-06 |
Magneto-optical disk unit compatible with different two types of magneto-optical disks and a magnetic-field generator suitable thereof
Grant 5,202,863 - Miyatake , et al. April 13, 1 | 1993-04-13 |
Magneto-optical information recording method and apparatus in which a laser beam oscillates in a track-width direction
Grant 5,144,602 - Kudoh , et al. September 1, 1 | 1992-09-01 |
Method of producing a deposition film of composite material
Grant 4,952,295 - Kawabata , et al. August 28, 1 | 1990-08-28 |
Magnetic erasing head
Grant 4,613,919 - Miyatake , et al. September 23, 1 | 1986-09-23 |
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