Akahira; Nobuo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Akahira; Nobuo.The latest application filed is for "disk cartridge".

Company Profile

0.38.16

Akahira; Nobuo - Kyoto JP
Akahira; Nobuo - Yawata JP
Akahira; Nobuo - Yawata-shi JP
Akahira; Nobuo - Yahata JP
Akahira; Nobuo - Otokoyama Kanaburi Yawata-shi JP
Akahira; Nobuo - Kadoma JP
Akahira; Nobuo - Neyagawa JA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Disk Cartridge App 20070291413 - Kondou; Hiroya ; et al.	2007-12-20
Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus Grant RE39,771 - Kobayashi , et al. August 14, 2	2007-08-14
Multi-layer optical information recording medium with pits or grooves Grant 7,136,349 - Nishiuchi , et al. November 14, 2	2006-11-14
Recording/reproducing apparatus with optical path correction system Grant 7,123,570 - Akiyama , et al. October 17, 2	2006-10-17
Optical information recording medium manfacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus Grant 7,116,631 - Nishiuchi , et al. October 3, 2	2006-10-03
Optical information recording medium and optical information recording and reproducing apparatus Grant 7,095,705 - Nishiuchi , et al. August 22, 2	2006-08-22
Recording/reproducing apparatus for optical information recording medium and optical head Grant 7,075,870 - Akiyama , et al. July 11, 2	2006-07-11
Optical information recording medium manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus App 20060140075 - Nishiuchi; Kenichi ; et al.	2006-06-29
Optical information recording medium and optical information recording and reproducing apparatus Grant 6,975,579 - Nishiuchi , et al. December 13, 2	2005-12-13
Optical information recording medium and optical information recording and reproducing apparatus App 20050163036 - Nishiuchi, Kenichi ; et al.	2005-07-28
Recording medium, information recording apparatus, information recording method, and information recording medium App 20050141862 - Sawabe, Takao ; et al.	2005-06-30
Recording/reproducing apparatus for optical information recording medium and optical head App 20050135218 - Akiyama, Tetsuya ; et al.	2005-06-23
Recording/reproducing apparatus for optical information recording medium and optical head App 20050094532 - Akiyama, Tetsuya ; et al.	2005-05-05
Optical information recording medium manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus App 20040223445 - Nishiuchi, Kenichi ; et al.	2004-11-11
Optical information recording medium with plural information layers Grant 6,771,587 - Nishiuchi , et al. August 3, 2	2004-08-03
Recording and reproducing method for optical information recording medium and optical information recording medium Grant 6,744,724 - Nagata , et al. June 1, 2	2004-06-01
Optical information recording medium and optical information recording and reproducing apparatus App 20040090885 - Nishiuchi, Kenichi ; et al.	2004-05-13
Recording and reproducing method of optical information recording medium Grant 6,707,776 - Nagata , et al. March 16, 2	2004-03-16
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith Grant 6,697,313 - Nagata , et al. February 24, 2	2004-02-24
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith Grant 6,683,739 - Nagata , et al. January 27, 2	2004-01-27
Optical information recording medium and optical information recording and reproducing apparatus Grant 6,667,937 - Nishiuchi , et al. December 23, 2	2003-12-23
Optical information recording medium, manufacturing method therefor, manufacturing apparatus thereof and optical information recording and reproducing apparatus App 20030206504 - Nishiuchi, Kenichi ; et al.	2003-11-06
Recording and reproducing method for optical information recording medium and optical information recording medium App 20030198176 - Nagata, Ken?apos;Ichi ; et al.	2003-10-23
Optical recording medium having dual recording layers Grant 6,611,491 - Nishiuchi , et al. August 26, 2	2003-08-26
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith App 20030123365 - Nagata, Ken?apos;ichi ; et al.	2003-07-03
Recording and reproducing method of optical information recording medium App 20030107968 - Nagata, Ken?apos;ichi ; et al.	2003-06-12
Optical information recording medium and optical information recording and reproducing apparatus App 20030099169 - Nishiuchi, Kenichi ; et al.	2003-05-29
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith App 20030063541 - Nagata, Ken?apos;ichi ; et al.	2003-04-03
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith Grant 6,487,151 - Nagata , et al. November 26, 2	2002-11-26
Optical information recording medium and reproducing apparatus with layer identification App 20020150032 - Nishiuchi, Kenichi ; et al.	2002-10-17
Optical information recording medium comprising a first layer having a phase that is reversibly changeable and a second information layer having a phase that is reversibly changeable Grant 6,456,584 - Nagata , et al. September 24, 2	2002-09-24
Optical information recording medium and optical information recording and reproducing apparatus App 20020114236 - Nishiuchi, Kenichi ; et al.	2002-08-22
Code conversion method and apparatus, code recording medium, code recording apparatus and code reproducing apparatus Grant 5,898,394 - Kobayashi , et al. April 27, 1	1999-04-27
Method of measuring a film thickness of multilayer thin film Grant 5,883,720 - Akiyama , et al. March 16, 1	1999-03-16
Optical recording medium having two separate recording layers Grant 5,764,619 - Nishiuchi , et al. June 9, 1	1998-06-09
Optical information recording medium Grant 5,745,475 - Ohno , et al. April 28, 1	1998-04-28
Optical information recording medium of phase change type having variably grooved tracks depending on their radial locations Grant 5,635,267 - Yamada , et al. June 3, 1	1997-06-03
Optical information recording medium and information recording and reproducing method thereof Grant 5,493,561 - Nishiuchi , et al. February 20, 1	1996-02-20
Optical information recording medium, a manufacturing method thereof and an optical information recording and reproducing method using the medium Grant 5,459,018 - Akahira October 17, 1	1995-10-17
Optical information recording medium and method of designing its structure Grant 5,424,106 - Yamada , et al. June 13, 1	1995-06-13
Method of recording optical information with selective correction in pulse waveform and a recording system therefor Grant 5,412,626 - Ohno , et al. May 2, 1	1995-05-02
Optical information recording medium Grant 5,348,783 - Ohno , et al. September 20, 1	1994-09-20
Optical information recording method Grant 5,289,453 - Ohno , et al. February 22, 1	1994-02-22
Optical information recording medium and information recording and reproducing method therefor Grant 5,249,175 - Akahira , et al. September 28, 1	1993-09-28
Method and apparatus for timing variable optical information recording Grant 5,216,657 - Nishiuchi , et al. June 1, 1	1993-06-01
Optical information recording medium Grant 5,154,957 - Yamada , et al. October 13, 1	1992-10-13
Optical information recording apparatus for recording an input signal having variable width pulse duration and pulse spacing periods Grant 5,150,351 - Ohno , et al. September 22, 1	1992-09-22
Optical recording medium and optical recording/reproducing apparatus Grant 5,097,464 - Nishiuchi , et al. March 17, 1	1992-03-17
Optical information recording medium of Te, O and Pd and method for making same Grant 4,624,914 - Kimura , et al. November 25, 1	1986-11-25
Optical recording and reproducing disc Grant 4,385,303 - Akahira , et al. May 24, 1	1983-05-24
System and method of optical information storage in a recording disc Grant 4,330,883 - Ohta , et al. May 18, 1	1982-05-18
Method and apparatus for recording and reproducing information on and from an optical disk Grant 4,322,839 - Yamashita , et al. March 30, 1	1982-03-30
Optical information recording material and method of recording and reproducing information using same material Grant 4,278,734 - Ohta , et al. July 14, 1	1981-07-14
Optical information storage material and method of making it Grant 4,091,171 - Ohta , et al. May 23, 1	1978-05-23

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