Tsuchiyama; Ryuji

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsuchiyama; Ryuji.The latest application filed is for "magnetic head slider apparatus, magnetic disk drive apparatus, and suspension thereof".

Company Profile

0.16.18

Tsuchiyama; Ryuji - Tokyo N/A JP
TSUCHIYAMA; RYUJI - Matsudo JP
Tsuchiyama; Ryuji - Tsuchiura JP
Tsuchiyama; Ryuji - Matsudo-shi 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
Magnetic head slider apparatus, magnetic disk drive apparatus, and suspension thereof Grant 8,848,318 - Tsuchiyama , et al. September 30, 2	2014-09-30
Magnetic Head Slider Apparatus, Magnetic Disk Drive Apparatus, And Suspension Thereof App 20140104996 - Tsuchiyama; Ryuji ; et al.	2014-04-17
Magnetic Head Slider And Magnetic Disk Unit Using Same App 20120008231 - TSUCHIYAMA; RYUJI ; et al.	2012-01-12
Magnetic recording medium having lands with curved upper surfaces and magnetic recording and reproducing apparatus Grant 7,936,536 - Tsuchiyama , et al. May 3, 2	2011-05-03
Magnetic head heating element in a disk drive Grant 7,474,504 - Xu , et al. January 6, 2	2009-01-06
Head slider App 20080297949 - Naniwa; Irizo ; et al.	2008-12-04
Magnetic head slider and a magnetic disk device in which the slider is mounted Grant 7,385,786 - Tokuyama , et al. June 10, 2	2008-06-10
Magnetic Recording Medium And Magnetic Recording And Reproducing Apparatus App 20080049359 - TSUCHIYAMA; RYUJI ; et al.	2008-02-28
Magnetic head slider and a magnetic disk device in which the slider is mounted App 20060250717 - Tokuyama; Mikio ; et al.	2006-11-09
Magnetic head slider and a magnetic disk device in which the slider is mounted Grant 7,072,146 - Tokuyama , et al. July 4, 2	2006-07-04
Magnetic head slider and magnetic disc unit Grant 7,042,678 - Tsuchiyama , et al. May 9, 2	2006-05-09
Magnetic head slider, support therefor and magnetic disk unit Grant 7,038,883 - Tsuchiyama , et al. May 2, 2	2006-05-02
Magnetic head heating element in a disk drive App 20060039077 - Xu; Junguo ; et al.	2006-02-23
Magnetic head slider and a magnetic disk device in which the slider is mounted Grant 6,985,334 - Tokuyama , et al. January 10, 2	2006-01-10
Magnetic head heating element in a disk drive Grant 6,963,464 - Xu , et al. November 8, 2	2005-11-08
Magnetic head slider and a magnetic disk device in which the slider is mounted App 20050243470 - Tokuyama, Mikio ; et al.	2005-11-03
Magnetic disk apparatus Grant 6,961,201 - Odai , et al. November 1, 2	2005-11-01
Magnetic disc apparatus with slider having specified location of action point of equivalent load Grant 6,785,095 - Tokisue , et al. August 31, 2	2004-08-31
Magnetic head slider and magnetic disc unit App 20040150914 - Tsuchiyama, Ryuji ; et al.	2004-08-05
Magnetic disk apparatus App 20040057150 - Odai, Masaki ; et al.	2004-03-25
Magnetic head slider and a magnetic disk device in which the slider is mounted App 20040012888 - Tokuyama, Mikio ; et al.	2004-01-22
Magnetic head slider, support therefor and magnetic disk unit App 20030218832 - Tsuchiyama, Ryuji ; et al.	2003-11-27
Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating same Grant 6,633,455 - Tokisue , et al. October 14, 2	2003-10-14
Magnetic head slider Grant 6,597,536 - Tsuchiyama , et al. July 22, 2	2003-07-22
Magnetic head slider and a magnetic disk device in which the slider is mounted Grant 6,597,537 - Tokuyama , et al. July 22, 2	2003-07-22
Magnetic head slider assembly and magnetic disk apparatus App 20030011933 - Tsuchiyama, Ryuji ; et al.	2003-01-16
Magnetic head slider and a magnetic disk device in which the slider is mounted App 20020191344 - Tokuyama, Mikio ; et al.	2002-12-19
Magnetic head slider and magnetic disk device App 20020191326 - Xu, Junguo ; et al.	2002-12-19
Magnetic disc apparatus App 20020191339 - Tokisue, Hiromitsu ; et al.	2002-12-19
Magnetic Head Slider And A Magnetic Disk Device In Which The Slider Is Mounted App 20020097524 - Tokuyama, Mikio ; et al.	2002-07-25
Magnetic head slider and a magnetic disk device in which the slider is mounted Grant 6,373,661 - Tokuyama , et al. April 16, 2	2002-04-16
Slider and recording apparatus App 20010013994 - Tokisue, Hiromitsu ; et al.	2001-08-16

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