Hirokane; Junji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirokane; Junji.The latest application filed is for "optical storage medium, optical read/write apparatus, and optical read/write method".

Company Profile

0.54.20

Hirokane; Junji - Nara JP
Hirokane; Junji - Nara-shi JP
Hirokane; Junji - Tenri JP

*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
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,948,852 - Hirokane , et al. May 24, 2	2011-05-24
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,948,850 - Hirokane , et al. May 24, 2	2011-05-24
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,948,851 - Hirokane , et al. May 24, 2	2011-05-24
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,933,185 - Hirokane , et al. April 26, 2	2011-04-26
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,911,914 - Hirokane , et al. March 22, 2	2011-03-22
Optical disk and optical disk recording and reproducing device Grant 7,859,983 - Hirokane , et al. December 28, 2	2010-12-28
Optical storage medium, optical read/write apparatus, and optical read/write method App 20100262983 - Hirokane; Junji ; et al.	2010-10-14
Optical storage medium, optical read/write apparatus, and optical read/write method App 20100262985 - Hirokane; Junji ; et al.	2010-10-14
Optical storage medium, optical read/write apparatus, and optical read/write method App 20100262982 - Hirokane; Junji ; et al.	2010-10-14
Optical storage medium, optical read/write apparatus, and optical read/write method App 20100262984 - Hirokane; Junji ; et al.	2010-10-14
Optical storage medium, optical read/write apparatus, and optical read/write method App 20100262981 - Hirokane; Junji ; et al.	2010-10-14
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,787,345 - Hirokane , et al. August 31, 2	2010-08-31
Optical storage medium, optical read/write apparatus, and optical read/write method App 20100195471 - Hirokane; Junji ; et al.	2010-08-05
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,609,605 - Hirokane , et al. October 27, 2	2009-10-27
Optical storage medium, optical read/write apparatus, and optical read/write method Grant 7,586,824 - Hirokane , et al. September 8, 2	2009-09-08
Optical storage medium, optical read/write apparatus, and optical read/write method App 20070140089 - Hirokane; Junji ; et al.	2007-06-21
Optical storage medium, optical read/write apparatus, and optical read/write method App 20070133371 - Hirokane; Junji ; et al.	2007-06-14
Optical storage medium, optical read/write apparatus, and optical read/write method App 20070133378 - Hirokane; Junji ; et al.	2007-06-14
Method for forming micropatterns Grant 7,223,505 - Hirokane , et al. May 29, 2	2007-05-29
Optical storage medium enabling uniform light transmittance, optical read/write apparatus for same, and optical read/write method for same Grant 7,180,849 - Hirokane , et al. February 20, 2	2007-02-20
Optical memory device and optical reproducing device App 20050281187 - Hirokane, Junji ; et al.	2005-12-22
Magneto-optical recording medium having a reproducing layer composed to control movement of domain walls therein Grant 6,949,302 - Iwata , et al. September 27, 2	2005-09-27
Method for forming micropatterns App 20050170295 - Hirokane, Junji ; et al.	2005-08-04
Method for forming micropatterns Grant 6,872,511 - Hirokane , et al. March 29, 2	2005-03-29
Optical disk and optical disk recording and reproducing device App 20050013236 - Hirokane, Junji ; et al.	2005-01-20
Recording and reproducing device having a stabilizing board and vertically-oscillating slider Grant 6,826,769 - Hirokane , et al. November 30, 2	2004-11-30
Disc-like information recording medium, stamper, stamper configuring apparatus, disc master and hub mounting apparatus Grant 6,772,431 - Iwata , et al. August 3, 2	2004-08-03
Optical disk having groove address pits and land address pits of equal depths Grant 6,762,989 - Hirokane , et al. July 13, 2	2004-07-13
Magneto-optical recording medium Grant 6,690,625 - Hirokane , et al. February 10, 2	2004-02-10
Magneto-optical recording medium having a magnetic flux formed layer Grant 6,678,219 - Hirokane , et al. January 13, 2	2004-01-13
Magneto-optical storage media and method of reproducing the same Grant 6,671,234 - Hirokane , et al. December 30, 2	2003-12-30
Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium Grant 6,665,235 - Murakami , et al. December 16, 2	2003-12-16
Optical disk and recording/reproducing device Grant 6,630,219 - Hirokane , et al. October 7, 2	2003-10-07
Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium App 20030081510 - Murakami, Yoshiteru ; et al.	2003-05-01
Magneto-optic storage media and methods of reproducing the same Grant 6,545,955 - Iwata , et al. April 8, 2	2003-04-08
Optical recording medium, manufacturing method of optical recording medium master disk, and cutting device used therefor App 20030053407 - Hirokane, Junji ; et al.	2003-03-20
Optical storage medium, optical read/write apparatus, and optical read/write method App 20020172113 - Hirokane, Junji ; et al.	2002-11-21
Magneto-optical recording medium App 20020159339 - Hirokane, Junji ; et al.	2002-10-31
Method for forming micropatterns App 20020115023 - Hirokane, Junji ; et al.	2002-08-22
Magneto-optical recording device with three distinct layers Grant 6,430,115 - Hirokane , et al. August 6, 2	2002-08-06
Recording and reproducing device, disk cartridge, and optical disk device App 20020080689 - Hirokane, Junji ; et al.	2002-06-27
Disc-like information recording medium, stamper, stamper configuring apparatus, disc master and hub mounting apparatus App 20020034154 - Iwata, Noboru ; et al.	2002-03-21
Optical disk and recording/reproducing device App 20010009709 - Hirokane, Junji ; et al.	2001-07-26
Optical recording medium, method for manufacturing the same, and optical information recording and reproducing device used with respect to the same Grant 6,031,816 - Inui , et al. February 29, 2	2000-02-29
Optical probe element, and a recording and reproduction device using the optical probe element Grant 5,982,409 - Hirokane , et al. November 9, 1	1999-11-09
Magneto-optical recording medium and a reproducing method using such a medium Grant 5,955,191 - Hirokane , et al. September 21, 1	1999-09-21
Magneto-optical recording medium Grant 5,939,187 - Hirokane , et al. August 17, 1	1999-08-17
Optical recording medium having a wobbling section for recording address information and methods of recording and reproduction using same Grant 5,933,411 - Inui , et al. August 3, 1	1999-08-03
Magneto-optical recording medium Grant 5,863,649 - Hirokane , et al. January 26, 1	1999-01-26
Method of manufacturing an optical probe element Grant 5,767,891 - Hirokane , et al. June 16, 1	1998-06-16
Magneto-optical recording medium having a plurality of magnetic layers Grant 5,768,218 - Nakayama , et al. June 16, 1	1998-06-16
Magneto-optical recording medium and method for reproducing from same Grant 5,757,734 - Nakajima , et al. May 26, 1	1998-05-26
Optical recording medium having pit rows on every other boundary and reproducing method thereof Grant 5,673,250 - Mieda , et al. September 30, 1	1997-09-30
Magneto-optical recording medium and method of reproducing from same Grant 5,659,537 - Hirokane , et al. August 19, 1	1997-08-19
Magnetic recording medium and information recording-reproduction method using the same Grant 5,656,385 - Nakajima , et al. August 12, 1	1997-08-12
Magneto-optical recording medium and a method of recording and/or reproducing using the same Grant 5,648,162 - Hirokane , et al. July 15, 1	1997-07-15
Magneto-optical recording medium Grant 5,644,566 - Nakayama , et al. July 1, 1	1997-07-01
Magneto-optical recording medium having intermediate layer of in-plane magnetization and method of reproducing from the medium Grant 5,640,374 - Hirokane , et al. June 17, 1	1997-06-17
Optical probe element and a recording and reproduction device using the optical probe element Grant 5,635,977 - Hirokane , et al. June 3, 1	1997-06-03
Optical recording medium, and apparatus and method for recording and reproducing information on the same Grant 5,544,149 - Katayama , et al. August 6, 1	1996-08-06
Magneto-optical recording apparatus having paired devices for applying external magnetic fields Grant 5,530,685 - Katayama , et al. June 25, 1	1996-06-25
Magneto-optical recording medium comprising first, second and third magnetic layers and method of recording on same Grant 5,428,585 - Hirokane , et al. June 27, 1	1995-06-27
Magnetic recording and reproducing apparatus having a ferrimagnetic recording medium, a magnetic head and first and second light sources Grant 5,293,359 - Ohta , et al. March 8, 1	1994-03-08
Method of manufacturing a photomask for an optical memory Grant 5,286,583 - Hirokane , et al. February 15, 1	1994-02-15
Optical disk with glass substrate and method of producing same Grant 5,128,922 - Inui , et al. July 7, 1	1992-07-07
Method of and photomask for manufacturing optical memory element Grant 5,112,727 - Inui , et al. May 12, 1	1992-05-12
Optical memory device with grooves and pits in selected dimensional relationship Grant 5,107,486 - Inui , et al. April 21, 1	1992-04-21
Method of manufacturing photo-mask and photo-mask manufactured thereby Grant 5,087,535 - Hirokane , et al. February 11, 1	1992-02-11
Optical memory device Grant 4,985,885 - Ohta , et al. January 15, 1	1991-01-15
Method of manufacturing optical memory element Grant 4,778,747 - Ohta , et al. October 18, 1	1988-10-18
Photo-mask for production of substrate for optical memory element Grant 4,764,441 - Ohta , et al. August 16, 1	1988-08-16
Magnetooptical storage element Grant 4,717,628 - Takahashi , et al. January 5, 1	1988-01-05
Magneto-optic memory element Grant 4,610,912 - Takahashi , et al. September 9, 1	1986-09-09
Method for manufacturing an optical memory element Grant 4,544,443 - Ohta , et al. October 1, 1	1985-10-01

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