Ichikawa; Yasuhiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ichikawa; Yasuhiko.The latest application filed is for "method of refreshing data stored on a disk".

Company Profile

0.9.7

Ichikawa; Yasuhiko - Fussa JP
Ichikawa; Yasuhiko - Fussa-shi JP
Ichikawa; Yasuhiko - Hamura JP
Ichikawa, Yasuhiko - Ome-shi JP
Ichikawa, Yasuhiko - Hamura-shi JP
Ichikawa; Yasuhiko - Itsukaichi-machi JP
Ichikawa; Yasuhiko - Tokyo JP
Ichikawa; Yasuhiko - Hachioji 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
Method of refreshing data stored on a disk Grant 8,154,814 - Aoki , et al. April 10, 2	2012-04-10
Disk controller, disk drive device, and disk control method Grant 7,986,489 - Sumi , et al. July 26, 2	2011-07-26
Magnetic disk drive refreshing data written to disk and data refreshment method applied to magnetic disk drive Grant 7,925,828 - Aoki , et al. April 12, 2	2011-04-12
Method Of Refreshing Data Stored On A Disk App 20110019302 - Aoki; Takao ; et al.	2011-01-27
Magnetic disk drive capable of refreshing data written to disk and data refresh method Grant 7,870,460 - Iketaki , et al. January 11, 2	2011-01-11
Hard disc apparatus and head alignment method Grant 7,864,486 - Aso , et al. January 4, 2	2011-01-04
Disk Controller, Disk Drive Device, And Disk Control Method App 20100290150 - SUMI; Takanori ; et al.	2010-11-18
Magnetic Disk Drive Capable Of Refreshing Data Written To Disk And Data Refresh Method App 20100165502 - Iketaki; Taro ; et al.	2010-07-01
Magnetic Disk Drive Refreshing Data Written To Disk And Data Refreshment Method Applied To Magnetic Disk Drive App 20100014183 - Aoki; Takao ; et al.	2010-01-21
Hard Disc Apparatus And Head Alignment Method App 20090195917 - Aso; Yuma ; et al.	2009-08-06
Apparatus and method for accessing a disk containing an alternate sector Grant 7,085,965 - Arakawa , et al. August 1, 2	2006-08-01
Disk storage apparatus capable of concurrently processing data streams App 20050015648 - Tawada, Fuyuki ; et al.	2005-01-20
Apparatus and method for accessing a disk containing an alternate sector App 20030191982 - Arakawa, Yutaka ; et al.	2003-10-09
Resin compound for molding die, molding die and material molding by the molding die Grant 5,942,168 - Ichikawa , et al. August 24, 1	1999-08-24
Disk system having buffer with designated area to be used for repeat access data Grant 5,727,232 - Iida , et al. March 10, 1	1998-03-10
Sheet handling of a copying machine Grant 4,062,631 - Ichikawa , et al. December 13, 1	1977-12-13

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