Hattori; Ryohheita

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hattori; Ryohheita.The latest application filed is for "method for writing servo data to a disk and disk drive configured to write servo data utilizing the method".

Company Profile

0.5.5

Hattori; Ryohheita - Kanagawa JP
Hattori; Ryohheita - San Jose CA

*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 for writing servo patterns and disk drive including a controller for writing servo patterns according to the method Grant 8,085,489 - Hattori , et al. December 27, 2	2011-12-27
Method for writing servo data to a disk and disk drive configured to write servo data utilizing the method Grant 8,023,220 - Yoshioka , et al. September 20, 2	2011-09-20
Method For Writing Servo Data To A Disk And Disk Drive Configured To Write Servo Data Utilizing The Method App 20110080672 - Yoshioka; Masaki ; et al.	2011-04-07
Magnetic head that includes negative expansion material Grant 7,692,898 - Hattori , et al. April 6, 2	2010-04-06
Method For Writing Servo Patterns And Disk Drive Including A Controller For Writing Servo Patterns According To The Method App 20100033868 - HATTORI; Ryohheita ; et al.	2010-02-11
Disk drive with head fly-height compensation for disk surface variations Grant 7,457,072 - Dieron , et al. November 25, 2	2008-11-25
Magnetic head that includes negative expansion material App 20080158742 - Hattori; Ryohheita ; et al.	2008-07-03
Tradeoff between reliability and performance for a disk drive App 20080151418 - Cisewski; Paul ; et al.	2008-06-26
Disk Drive With Head Fly-height Compensation For Disk Surface Variations App 20080130159 - Dieron; Roel ; et al.	2008-06-05
Disk drive with improved method for operating a thermal head fly-height actuator Grant 7,375,914 - Dieron , et al. May 20, 2	2008-05-20

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