Inventor · disambiguated record
Ryoji Fukuhisa
Also filed as: FUKUHISA RYOJI
7 granted patents·1 pending application·72 citations·filing 1998–2023
84Inventor score
Top patents by PatentIndex Score
8 records- 0188US9454990B1System and method of conducting in-place write operations in a shingled magnetic recording (SMR) driveHGST Netherlands BV·Filed 2015·Granted Sep 27, 2016·8 cites·14 claims
- 0283US7085087B2Data storage apparatus and method for managing buffer memoryHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Aug 1, 2006·17 cites·12 claims
- 0373US6567886B1Disk drive apparatus and control method thereofIBM·Filed 2000·Granted May 20, 2003·21 cites·13 claims
- 0467US7197593B2Bad-sector search method, data recording device, and programHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 27, 2007·7 cites·5 claims
- 0561US6516401B2Data reading method and data reading apparatusIBM·Filed 2001·Granted Feb 4, 2003·8 cites·6 claims
- 0655US12046257B1Reducing peak power consumption in a multi-actuator hard disk driveWESTERN DIGITAL TECH INC·Filed 2023·Granted Jul 23, 2024·0 cites·18 claims
- 0745US2014317347A1System and method for logical removal of physical heads in a hard disk drive (hdd)HGST Netherlands BV·Filed 2014·Application pending·0 cites
- 0838US6249854B1Data reading method and apparatus for a disk drive storage deviceIBM·Filed 1998·Granted Jun 19, 2001·11 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →