Keung Youn Cho

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Self-spinning disk bulk erasure for hard disk assembly
- Patent number 7,876,519
- Issue date Jan 25, 2011
- Samsung Electronics Co., Ltd.
- Carl Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual write gap perpendicular recording head with a non-magnetic bac...
- Patent number 7,869,161
- Issue date Jan 11, 2011
- Samsung Electronics Co., Ltd.
- Peng Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Erase band compensated offset servo trimming
- Patent number 7,535,667
- Issue date May 19, 2009
- Samsung Electronics Co., Ltd.
- Peng Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus determining and/or using overshoot control of...
- Patent number 7,253,978
- Issue date Aug 7, 2007
- Samsung Electronics Co., Ltd.
- Hae Jung Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of estimating a thermal pole tip protrusion for a head gimba...
- Patent number 7,089,649
- Issue date Aug 15, 2006
- Samsung Electronics Co. Ltd,
- Geng Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus determining and/or using overshoot control of...
- Patent number 6,975,475
- Issue date Dec 13, 2005
- Samsung Electronics Co., Ltd.
- Hae Jung Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus to distinguish effects of adjacent track encro...
- Patent number 6,791,775
- Issue date Sep 14, 2004
- Samsung Electronics, Co., Inc.
- Zhaohui Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for providing write current optimization
- Patent number 6,791,780
- Issue date Sep 14, 2004
- Samsung Electronics Co., Inc.
- Hae Jung Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for magneto-resistive head electrostatic popping detection
- Patent number 6,556,006
- Issue date Apr 29, 2003
- Samsung Electronics Co., Ltd.
- Zhaohui Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying negative pressure air bearing slider with dual negative pres...
- Patent number 6,477,012
- Issue date Nov 5, 2002
- Samsung Electronics Co., Ltd.
- Ki-Ook Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for providing servo information on a disk in a...
- Patent number 6,262,859
- Issue date Jul 17, 2001
- Samsung Electronics Company
- Keung Young Cho
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SELF-SPINNING DISK BULK ERASURE FOR HARD DISK ASSEMBLY
- Publication number 20100149677
- Publication date Jun 17, 2010
- Samsung Electronics Co., Ltd.
- Carl Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and method using a disk drive slider and/or a peltier pla...
- Publication number 20090151434
- Publication date Jun 18, 2009
- SAMSUNG ELECTRONICS CO., LTD.
- Dongman Kim
- G01 - MEASURING TESTING
Information Patent Application
Erase band compensated offset servo trimming
- Publication number 20080297938
- Publication date Dec 4, 2008
- Samsung Electronics Co., Ltd.
- Peng Luo
- G11 - INFORMATION STORAGE
Information Patent Application
Dual write gap perpendicular recording head
- Publication number 20080297946
- Publication date Dec 4, 2008
- Samsung Electronics Co., Ltd.
- Peng Luo
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MANUFACTURING HEAD GIMBAL ASSEMBLIES, ACTUATORS AND DISK...
- Publication number 20070006446
- Publication date Jan 11, 2007
- Geng Wang
- G11 - INFORMATION STORAGE
Information Patent Application
Flexible data TPI in hard disk drives
- Publication number 20060103972
- Publication date May 18, 2006
- SAMSUNG ELECTRONICS CO., LTD.
- Sang Hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Application
Methods and apparatus determining and/or using overshoot control of...
- Publication number 20050264909
- Publication date Dec 1, 2005
- SAMSUNG ELECTRONICS CO., LTD.
- Hae Jung Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Method of manufacturing head gimbal assemblies, actuators and disk...
- Publication number 20040060167
- Publication date Apr 1, 2004
- Geng Wang
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive bi-directional servo track write method and apparatus
- Publication number 20040061967
- Publication date Apr 1, 2004
- Hae Jung Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Methods and apparatus determining and/or using overshoot control of...
- Publication number 20030112541
- Publication date Jun 19, 2003
- Hae Jung Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus to distinguish effects of adjacent track encro...
- Publication number 20030072097
- Publication date Apr 17, 2003
- Zhaohui Li
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for providing write current optimization
- Publication number 20030072100
- Publication date Apr 17, 2003
- Hae Jung Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for providing instability recovery
- Publication number 20030043489
- Publication date Mar 6, 2003
- Hae Jung Lee
- G11 - INFORMATION STORAGE

Keung Youn Cho

Person

Patents Grantslast 30 patents

Self-spinning disk bulk erasure for hard disk assembly

Dual write gap perpendicular recording head with a non-magnetic bac...

Erase band compensated offset servo trimming

Methods and apparatus determining and/or using overshoot control of...

Method of estimating a thermal pole tip protrusion for a head gimba...

Methods and apparatus determining and/or using overshoot control of...

Method and apparatus to distinguish effects of adjacent track encro...

Method and apparatus for providing write current optimization

Method for magneto-resistive head electrostatic popping detection

Flying negative pressure air bearing slider with dual negative pres...

Method and apparatus for providing servo information on a disk in a...

Patents Applicationslast 30 patents

SELF-SPINNING DISK BULK ERASURE FOR HARD DISK ASSEMBLY

Apparatus and method using a disk drive slider and/or a peltier pla...

Erase band compensated offset servo trimming

Dual write gap perpendicular recording head

METHOD OF MANUFACTURING HEAD GIMBAL ASSEMBLIES, ACTUATORS AND DISK...

Flexible data TPI in hard disk drives

Methods and apparatus determining and/or using overshoot control of...

Method of manufacturing head gimbal assemblies, actuators and disk...

Disk drive bi-directional servo track write method and apparatus

Methods and apparatus determining and/or using overshoot control of...

Method and apparatus to distinguish effects of adjacent track encro...

Method and apparatus for providing write current optimization

Method and apparatus for providing instability recovery