David H. Jen

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for controlling a storage device
- Patent number 9,542,104
- Issue date Jan 10, 2017
- Western Digital Technologies, Inc.
- Paul M. Green
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Self-cleaning recording heads based on actuator seek profile
- Patent number 9,368,137
- Issue date Jun 14, 2016
- HGST Netherlands B.V.
- Annamica Bhan
- G11 - INFORMATION STORAGE
Information Patent Grant
Modified areal densities for degraded storage device read heads
- Patent number 9,070,390
- Issue date Jun 30, 2015
- Paul Marion Green
- G11 - INFORMATION STORAGE
Information Patent Grant
Adjusting recording density in a circumferential direction
- Patent number 9,047,921
- Issue date Jun 2, 2015
- HGST Netherlands B.V.
- David Jen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for dynamically allocating read and write sequenc...
- Patent number 8,131,920
- Issue date Mar 6, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Ryoheita Hattori
- G11 - INFORMATION STORAGE
Information Patent Grant
Write quality of HDD heads experiencing temporary fly-height problems
- Patent number 8,068,306
- Issue date Nov 29, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Lakshmi Ramamoorthy
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive data recovery procedure based on radial positioning
- Patent number 7,920,350
- Issue date Apr 5, 2011
- Hitachi Global Storage Technologies, Netherlands, B.V.
- Hoan A. Au
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for predicting write failure resulting from fl...
- Patent number 7,486,457
- Issue date Feb 3, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- David H. Jen
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiple zone data storage system and method
- Patent number 6,501,624
- Issue date Dec 31, 2002
- International Business Machines Corporation
- Donald Ray Gillis
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for writing data to a magnetic storage device in...
- Patent number 6,405,277
- Issue date Jun 11, 2002
- International Business Machines Corporation
- David H. Jen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for unloading head from disk before a shock to...
- Patent number 6,101,062
- Issue date Aug 8, 2000
- International Business Machines Corporation
- David H. Jen
- G11 - INFORMATION STORAGE
Information Patent Grant
Contaminant reduction system for disk drives
- Patent number 5,827,424
- Issue date Oct 27, 1998
- International Business Machines Corporation
- Donald R. Gillis
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Multiple zone data storage system and method
- Patent number 5,798,884
- Issue date Aug 25, 1998
- International Business Machines Corporation
- Donald Ray Gillis
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Self-Cleaning Recording Heads Based On Actuator Seek Profile
- Publication number 20160111114
- Publication date Apr 21, 2016
- HGST NETHERLANDS B.V.
- Annamica Bhan
- G11 - INFORMATION STORAGE
Information Patent Application
MODIFIED AREAL DENSITIES FOR DEGRADED STORAGE DEVICE READ HEADS
- Publication number 20150117173
- Publication date Apr 30, 2015
- HGST NETHERLANDS B.V.
- Paul Marion Green
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING A STORAGE DEVICE
- Publication number 20150039806
- Publication date Feb 5, 2015
- HGST NETHERLANDS B.V.
- Paul M. Green
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Write Quality of HDD Heads Experiencing Temporary Fly-Height Problems
- Publication number 20110141607
- Publication date Jun 16, 2011
- Lakshmi Ramamoorthy
- G11 - INFORMATION STORAGE
Information Patent Application
Adjusting Recording Density in a Circumferential Direction
- Publication number 20110116186
- Publication date May 19, 2011
- David Jen
- G11 - INFORMATION STORAGE
Information Patent Application
ADAPTIVE DATA RECOVERY PROCEDURE BASED ON RADIAL POSITIONING
- Publication number 20100079903
- Publication date Apr 1, 2010
- Hoan A. Au
- G11 - INFORMATION STORAGE
Information Patent Application
Method and system for dynamically allocating read and write sequenc...
- Publication number 20090150637
- Publication date Jun 11, 2009
- Ryoheita Hattori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for predicting write failure resulting from fl...
- Publication number 20030156340
- Publication date Aug 21, 2003
- International Business Machines Corporation
- David H. Jen
- G11 - INFORMATION STORAGE

David H. Jen

Person

Patents Grantslast 30 patents

System and method for controlling a storage device

Self-cleaning recording heads based on actuator seek profile

Modified areal densities for degraded storage device read heads

Adjusting recording density in a circumferential direction

Method and system for dynamically allocating read and write sequenc...

Write quality of HDD heads experiencing temporary fly-height problems

Adaptive data recovery procedure based on radial positioning

Method and apparatus for predicting write failure resulting from fl...

Multiple zone data storage system and method

Method and system for writing data to a magnetic storage device in...

Method and apparatus for unloading head from disk before a shock to...

Contaminant reduction system for disk drives

Multiple zone data storage system and method

Patents Applicationslast 30 patents

Self-Cleaning Recording Heads Based On Actuator Seek Profile

MODIFIED AREAL DENSITIES FOR DEGRADED STORAGE DEVICE READ HEADS

SYSTEM AND METHOD FOR CONTROLLING A STORAGE DEVICE

Write Quality of HDD Heads Experiencing Temporary Fly-Height Problems

Adjusting Recording Density in a Circumferential Direction

ADAPTIVE DATA RECOVERY PROCEDURE BASED ON RADIAL POSITIONING

Method and system for dynamically allocating read and write sequenc...

Method and apparatus for predicting write failure resulting from fl...