Hirayama; Yoshiyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirayama; Yoshiyuki.The latest application filed is for "magnetic recording medium having a l10-type regular alloy".

Company Profile

0.46.48

Hirayama; Yoshiyuki - Shiga JP
Hirayama; Yoshiyuki - Kokubunji JP
Hirayama; Yoshiyuki - Tokyo JP
Hirayama; Yoshiyuki - Osaka JP
Hirayama; Yoshiyuki - Osaka-shi JP
Hirayama; Yoshiyuki - Kodaira JP
Hirayama; Yoshiyuki - Saitama JP
Hirayama, Yoshiyuki - Kodaira-shi JP
Hirayama; Yoshiyuki - Ohara JP
Hirayama; Yoshiyuki - Kanagawa 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
Electromagnetic shielding tube Grant 9,968,017 - Yamasaki , et al. May 8, 2	2018-05-08
Magnetic recording medium having a L1.sub.0-type ordered alloy Grant 9,595,282 - Sayama , et al. March 14, 2	2017-03-14
Magnetic Recording Medium Having A L10-type Regular Alloy App 20160217816 - Sayama; Junichi ; et al.	2016-07-28
Magnetic head, magnetic recording method and apparatus for controlling magnetic head with spin torque oscillator in a disk drive Grant 9,275,672 - Shiroishi , et al. March 1, 2	2016-03-01
Sealed Disk Media Enclosure App 20150294691 - Inaba; Hiroshi ; et al.	2015-10-15
Electromagnetic Shielding Tube App 20150237770 - YAMASAKI; Masanori ; et al.	2015-08-20
Microwave assisted magnetic recording medium and information recording apparatus using the same Grant 8,883,327 - Hirayama , et al. November 11, 2	2014-11-11
Bit-patterned media magnetic recording disk with two sizes of dots and imprint template made with directed self-assembly (DSA) of block copolymers Grant 8,873,179 - Hirayama , et al. October 28, 2	2014-10-28
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same Grant 8,771,849 - Nemoto , et al. July 8, 2	2014-07-08
Magnetic storage apparatus Grant 8,709,618 - Takekuma , et al. April 29, 2	2014-04-29
Perpendicular Magnetic Recording Medium And Magnetic Storage Device App 20140104724 - SHIROISHI; Yoshihiro ; et al.	2014-04-17
Microwave Assisted Magnetic Recording Medium And Information Recording Apparatus Using The Same App 20130293983 - HIRAYAMA; Yoshiyuki ; et al.	2013-11-07
Magnetic Head, Magnetic Recording Method And Apparatus For Controlling Magnetic Head With Spin Torque Oscillator In A Disk Drive App 20130229895 - SHIROISHI; Yoshihiro ; et al.	2013-09-05
Method for Giving Warmth to Skin App 20130210921 - Hirayama; Yoshiyuki	2013-08-15
Patterned Magnetic Recording Media And Methods Of Production Thereof Utilizing Crystal Orientation Control Technology App 20130155543 - Honda; Yoshinori ; et al.	2013-06-20
Patterned Media And Fabrication Method Thereof App 20110164336 - Hirayama; Yoshiyuki ; et al.	2011-07-07
External Composition for Skin App 20110027326 - Hirayama; Yoshiyuki	2011-02-03
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 7,875,373 - Hirayama , et al. January 25, 2	2011-01-25
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 7,701,667 - Tamai , et al. April 20, 2	2010-04-20
Perpendicular magnetic recording medium and manufacturing of the same Grant 7,651,795 - Tamai , et al. January 26, 2	2010-01-26
Perpendicular magnetic recording medium for high density recording and manufacturing of the same Grant 7,641,989 - Takekuma , et al. January 5, 2	2010-01-05
Perpendicular magnetic recording medium and method of manufacturing it Grant 7,625,646 - Hirayama , et al. December 1, 2	2009-12-01
Perpendicular magnetic recording media and magnetic storage apparatus using the same Grant 7,618,722 - Hirayama , et al. November 17, 2	2009-11-17
Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same App 20090195924 - Nemoto; Hiroaki ; et al.	2009-08-06
Perpendicular magnetic recording medium for high density magnetic recording and manufacturing of the same Grant 7,534,507 - Arai , et al. May 19, 2	2009-05-19
Perpendicular magnetic recording media Grant 7,510,789 - Hirayama , et al. March 31, 2	2009-03-31
Perpendicular Magnetic Recording Medium With Granular Structured Magnetic Recording Layer, Method For Producing The Same, And Magnetic Recording Apparatus App 20080186627 - Hirayama; Yoshiyuki ; et al.	2008-08-07
Perpendicular magnetic recording media and magnetic storage apparatus using the same App 20080182134 - Hirayama; Yoshiyuki ; et al.	2008-07-31
Perpendicular magnetic recording media, magnetic recording apparatus Grant 7,399,540 - Futamoto , et al. July 15, 2	2008-07-15
Perpendicular magnetic recording medium and magnetic storage apparatus using the same App 20080113221 - Hirayama; Yoshiyuki ; et al.	2008-05-15
Perpendicular magnetic recording media and magnetic storage apparatus using the same Grant 7,368,185 - Hirayama , et al. May 6, 2	2008-05-06
Magnetic storage apparatus App 20070223142 - Takekuma; Ikuko ; et al.	2007-09-27
Magnetic recording medium and magnetic recording system using the same Grant 7,261,958 - Hirayama , et al. August 28, 2	2007-08-28
Perpendicular magnetic recording medium and magnetic storage apparatus using the same App 20070188924 - Tamai; Ichiro ; et al.	2007-08-16
Method for manufacturing a magnetic medium Grant 7,249,405 - Takahashi , et al. July 31, 2	2007-07-31
Perpendicular magnetic recording media, magnetic recording apparatus App 20070037018 - Futamoto; Masaaki ; et al.	2007-02-15
Perpendicular magnetic recording media, magnetic recording apparatus Grant 7,147,941 - Futamoto , et al. December 12, 2	2006-12-12
Perpendicular magnetic recording medium and method of manufacturing it App 20060134467 - Hirayama; Yoshiyuki ; et al.	2006-06-22
Perpendicular magnetic recording medium for high density recording and manufacturing of the same App 20060127703 - Takekuma; Ikuko ; et al.	2006-06-15
Perpendicular magnetic recording medium with granular structured magnetic recording layer, method for producing the same, and magnetic recording apparatus App 20060088737 - Hirayama; Yoshiyuki ; et al.	2006-04-27
Perpendicular magnetic recording medium for high density magnetic recording and manufacturing of the same App 20060088734 - Arai; Reiko ; et al.	2006-04-27
Perpendicular magnetic recording medium and method of manufacturing it Grant 7,033,686 - Hirayama , et al. April 25, 2	2006-04-25
Method for testing or recording servo signal on perpendicular magnetic recording media Grant 7,026,810 - Kikugawa , et al. April 11, 2	2006-04-11
Perpendicular magnetic recording medium and manufacturing of the same App 20060057431 - Tamai; Ichiro ; et al.	2006-03-16
Perpendicular magnetic recording media App 20050227121 - Hirayama, Yoshiyuki ; et al.	2005-10-13
Method for testing or recording servo signal on perpendicular magnetic recording media App 20050204285 - Kikugawa, Atsushi ; et al.	2005-09-15
Gradation display method Grant 6,943,814 - Iioka , et al. September 13, 2	2005-09-13
Perpendicular magnetic recording media Grant 6,916,557 - Hirayama , et al. July 12, 2	2005-07-12
Magnetic recording medium and method for manufacturing the same App 20050138796 - Takahashi, Yoshio ; et al.	2005-06-30
Perpendicular magnetic recording media and magnetic storage apparatus using the same App 20050142388 - Hirayama, Yoshiyuki ; et al.	2005-06-30
Perpendicular magnetic recording medium having alternatively layered structure of Co alloy and Pt thin film, its production method and apparatus App 20050142378 - Nemoto, Hiroaki ; et al.	2005-06-30
Method for testing or recording servo signal on perpendicular magnetic recording media Grant 6,894,488 - Kikugawa , et al. May 17, 2	2005-05-17
Magnetic recording medium with controlled grain diameters and method for manufacturing the same Grant 6,884,521 - Takahashi , et al. April 26, 2	2005-04-26
Magnetic recording medium and magnetic recording apparatus App 20050084716 - Kanbe, Tetsuya ; et al.	2005-04-21
Perpendicular magnetic recording medium and manufacturing of the same App 20050058854 - Takekuma, Ikuko ; et al.	2005-03-17
Perpendicular-magnetic recording media and magnetic recording apparatus Grant 6,852,398 - Yoshida , et al. February 8, 2	2005-02-08
Magnetic recording medium and magnetic recording apparatus Grant 6,830,837 - Kanbe , et al. December 14, 2	2004-12-14
perpendicular magnetic recording medium and method of manufacturing it App 20040191571 - Hirayama, Yoshiyuki ; et al.	2004-09-30
Perpendicular magnetic recording medium and magnetic recording apparatus Grant 6,770,389 - Futamoto , et al. August 3, 2	2004-08-03
Perpendicular-magnetic recording media and magnetic recording apparatus App 20040072035 - Yoshida, Kazuetsu ; et al.	2004-04-15
Magnetic recording medium and magnetic recording apparatus using the same Grant 6,716,516 - Futamoto , et al. April 6, 2	2004-04-06
Perpendicular magnetic recording media, magnetic recording apparatus App 20040062953 - Futamoto, Masaaki ; et al.	2004-04-01
Perpendicular magnetic recording media App 20040038083 - Hirayama, Yoshiyuki ; et al.	2004-02-26
Perpendicular magnetic recording media, magnetic recording apparatus Grant 6,686,070 - Futamoto , et al. February 3, 2	2004-02-03
Magnetic recording medium and method for manufacturing the same App 20030219631 - Takahashi, Yoshio ; et al.	2003-11-27
Perpendicular-magnetic recording media and magnetic recording apparatus Grant 6,641,901 - Yoshida , et al. November 4, 2	2003-11-04
Perpendicular magnetic recording medium and magnetic recording appparatus App 20030203189 - Futamoto, Masaaki ; et al.	2003-10-30
Magnetic recording medium and magnetic recording apparatus using the same Grant 6,607,849 - Futamoto , et al. August 19, 2	2003-08-19
Magnetic recording medium and magnetic recording apparatus App 20030148143 - Kanbe, Tetsuya ; et al.	2003-08-07
Perpendicular-magnetic recording media and magnetic recording apparatus App 20030143433 - Yoshida, Kazuetsu ; et al.	2003-07-31
Gradation display method App 20030076517 - Iioka, Mitsuru ; et al.	2003-04-24
Method for testing or recording servo signal on perpendicular magnetic recording media App 20030053235 - Kikugawa, Atsushi ; et al.	2003-03-20
Magnetic recording medium and magnetic recording apparatus using the same App 20030022025 - Futamoto, Masaaki ; et al.	2003-01-30
Magnetic recording medium and magnetic recording system using the same App 20030017369 - Hirayama, Yoshiyuki ; et al.	2003-01-23
Magnetic recording medium and magnetic recording apparatus using the same App 20020160233 - Futamoto, Masaaki ; et al.	2002-10-31
Magnetic recording medium and magnetic recording apparatus using the same Grant 6,447,936 - Futamoto , et al. September 10, 2	2002-09-10
Magnetic recording medium and magnetic recording apparatus using the same App 20020080520 - Futamoto, Masaaki ; et al.	2002-06-27
Magnetic recording medium App 20020068199 - Futamoto, Masaaki ; et al.	2002-06-06
Magnetic recording medium and magnetic recording apparatus using the same App 20020055020 - Futamoto, Masaaki ; et al.	2002-05-09
Magnetic recording medium Grant 6,383,667 - Futamoto , et al. May 7, 2	2002-05-07
Perpendicular-magnetic recording media and magnetic recording apparatus App 20020004151 - Yoshida, Kazuetsu ; et al.	2002-01-10
Magnetic Recording Medium And Magnetic Recording Apparatus Using The Same App 20010009730 - FUTAMOTO, MASAAKI ; et al.	2001-07-26
Perpendicular magnetic recording medium and magnetic storage apparatus using the same Grant 6,183,893 - Futamoto , et al. February 6, 2	2001-02-06
Method and apparatus for detecting islanding operation of dispersed generator Grant 5,808,449 - Hirayama , et al. September 15, 1	1998-09-15
Perpendicular magnetic recording media and magnetic recording device Grant 5,738,927 - Nakamura , et al. April 14, 1	1998-04-14
Image data parallel processing apparatus Grant 5,701,505 - Yamashita , et al. December 23, 1	1997-12-23
Method of fabricating a magnetic recording medium Grant 5,685,958 - Futamoto , et al. November 11, 1	1997-11-11
Method of fabricating a magnetic recording medium Grant 5,599,580 - Futamoto , et al. February 4, 1	1997-02-04
Magnetic recording medium and fabrication method therefor Grant 5,536,585 - Futamoto , et al. July 16, 1	1996-07-16
Parallel processing apparatus for recognizing an area marked with a closed loop Grant 5,465,307 - Azumaya , et al. November 7, 1	1995-11-07
Automatic density control method for a photocopying machine Grant 4,533,234 - Watai , et al. August 6, 1	1985-08-06

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