| Patent | Date |
|---|
Method of producing glass substrate for perpendicular magnetic recording disk
Grant 8,348,721 - Horie , et al. January 8, 2 | 2013-01-08 |
Method for polishing tape-shaped substrate for oxide superconductor, oxide superconductor, and base material for oxide superconductor
Grant 8,148,301 - Horimoto , et al. April 3, 2 | 2012-04-03 |
Method for polishing tape-shaped substrate for oxide superconductor, oxide superconductor, and base material for oxide superconductor
Grant 8,143,194 - Horimoto , et al. March 27, 2 | 2012-03-27 |
Cleaning tape and method of producing same
Grant 8,049,990 - Horie , et al. November 1, 2 | 2011-11-01 |
Method of producing polishing material comprising diamond clusters
Grant 7,857,876 - Kumasaka , et al. December 28, 2 | 2010-12-28 |
Method of polishing tape-shaped substrate and substrate for oxide superconductor
Grant 7,811,972 - Horie , et al. October 12, 2 | 2010-10-12 |
Method Of Polishing A Magnetic Hard Disc Substrate
App 20100203809 - Kumasaka; Noriyuki | 2010-08-12 |
Method For Polishing Tape-shaped Substrate For Oxide Superconductor, Oxide Superconductor, And Base Material For Oxide Superconductor
App 20100160170 - Horimoto; Sanaki ; et al. | 2010-06-24 |
Method For Polishing Tape-shaped Substrate For Oxide Superconductor, Oxide Superconductor, And Base Material For Oxide Superconductor
App 20100016169 - Horimoto; Sanaki ; et al. | 2010-01-21 |
Polishing material comprising diamond clusters
Grant 7,585,341 - Kumasaka , et al. September 8, 2 | 2009-09-08 |
Method Of Producing Polishing Material Comprising Diamond Clusters
App 20090188170 - Kumasaka; Noriyuki ; et al. | 2009-07-30 |
Method Of Producing Glass Substrate For Perpendicular Magnetic Recording Disk
App 20090163117 - Horie; Yuji ; et al. | 2009-06-25 |
Cleaning Tape And Method Of Producing Same
App 20090092023 - Horie; Yuji ; et al. | 2009-04-09 |
Method Of Polishing Tape-shaped Substrate And Substrate For Oxide Superconductor
App 20090054243 - Horie; Yuji ; et al. | 2009-02-26 |
Texturing slurry and texturing method by using same
Grant 7,374,473 - Kumasaka , et al. May 20, 2 | 2008-05-20 |
Polishing material and production method therefor
App 20070231245 - Kumasaka; Noriyuki ; et al. | 2007-10-04 |
Texturing slurry and texturing method by using same
App 20070123153 - Kumasaka; Noriyuki ; et al. | 2007-05-31 |
Polishing tape and method
App 20060252355 - Kumasaka; Noriyuki | 2006-11-09 |
Perpendicular magnetic recording disk and method of producing same
App 20060216551 - Tanifuji; Tatsuya ; et al. | 2006-09-28 |
Method of producing perpendicular magnetic recording disk
App 20060027527 - Yokota; Yasuyuki ; et al. | 2006-02-09 |
Glass substrate for perpendicular magnetic recording disk and method of producing same
App 20050238927 - Horie, Yuji ; et al. | 2005-10-27 |
Diamond polishing particles and method of producing same
App 20050086870 - Kumasaka, Noriyuki | 2005-04-28 |
Glass composition, structure, and apparatus using the same
App 20030158030 - Yamamoto, Hiroki ; et al. | 2003-08-21 |
Disk drive with unbalance correcting mechanism
Grant 6,477,133 - Yoshimura , et al. November 5, 2 | 2002-11-05 |
Video signal recording apparatus and video signal recording and reproducing apparatus
App 20020102096 - Amada, Nobutaka ; et al. | 2002-08-01 |
Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit
App 20020018315 - Nii, Katsutoshi ; et al. | 2002-02-14 |
Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit
App 20010021080 - Nii, Katsutoshi ; et al. | 2001-09-13 |
Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing
Grant 6,104,862 - Amada , et al. August 15, 2 | 2000-08-15 |
Soft magnetic thin film, and magnetic head and magnetic recording device using the same
Grant 6,033,792 - Kirino , et al. March 7, 2 | 2000-03-07 |
Longitudinal magnetic recording media and magnetic memory units
Grant 5,147,732 - Shiroishi , et al. September 15, 1 | 1992-09-15 |
Thin film magnetic head including magnetic layers having high saturation magnetic flux density and metal film for avoiding deterioration during manufacturing
Grant 4,943,879 - Takano , et al. July 24, 1 | 1990-07-24 |
Ferromagnetic film and magnetic head using the same
Grant 4,935,314 - Kobayashi , et al. June 19, 1 | 1990-06-19 |
Magnetic multilayered film and magnetic head using the same
Grant 4,935,311 - Nakatani , et al. June 19, 1 | 1990-06-19 |
Magnetic Multilayer structure
Grant 4,920,013 - Kobayashi , et al. April 24, 1 | 1990-04-24 |
Magnetic head having short distance between gaps for recording reproducing and erasing
Grant 4,847,715 - Kumasaka , et al. July 11, 1 | 1989-07-11 |
Multilayered magnetic films and thin-film magnetic heads using the same as a pole
Grant 4,814,921 - Hamakawa , et al. March 21, 1 | 1989-03-21 |
Magnetic head having improved track width narrowing grooves
Grant 4,803,338 - Kumasaka , et al. February 7, 1 | 1989-02-07 |
Magnetic head having an integrated recording and playback head and an erasure head
Grant 4,774,616 - Kumasaka , et al. September 27, 1 | 1988-09-27 |
Process for preparing magnetic layer and magnetic head prepared using the same
Grant 4,772,976 - Otomo , et al. September 20, 1 | 1988-09-20 |
Magnetic head having ferromagnetic amorphous alloy multi-layered film
Grant 4,769,729 - Kumasaka , et al. September 6, 1 | 1988-09-06 |
Magnetic head made from amorphous magnetic film
Grant 4,766,039 - Otomo , et al. August 23, 1 | 1988-08-23 |
Ferromagnetic material and a magnetic head using the same material
Grant 4,762,755 - Shiiki , et al. August 9, 1 | 1988-08-09 |
Magnetic recording and reproducing system with composite magnetic head
Grant 4,731,683 - Otomo , et al. March 15, 1 | 1988-03-15 |
Magnetic film structure
Grant 4,610,935 - Kumasaka , et al. September 9, 1 | 1986-09-09 |
Magnetic recording and reproducing apparatus
Grant 4,571,652 - Fujiwara , et al. February 18, 1 | 1986-02-18 |
Magnetic head and method of fabricating same
Grant 4,559,572 - Kumasaka , et al. December 17, 1 | 1985-12-17 |
Thin film magnetic head and fabricating method thereof
Grant 4,539,616 - Yuito , et al. September 3, 1 | 1985-09-03 |
Magnetic head
Grant 4,450,494 - Fujiwara , et al. May 22, 1 | 1984-05-22 |
Magnetic head
Grant 4,439,794 - Shiroishi , et al. March 27, 1 | 1984-03-27 |
Amorphous alloys for magnetic head core and video magnetic head using same
Grant 4,411,716 - Shiiki , et al. October 25, 1 | 1983-10-25 |
Magnetic head
Grant 4,316,228 - Fujiwara , et al. February 16, 1 | 1982-02-16 |
Plated Magnetic Wire
Grant 3,673,581 - Nishida , et al. June 27, 1 | 1972-06-27 |
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