Junjie Quan

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hard magnetic stabilized shield for double (2DMR) or triple (3DMR)...
- Patent number 11,217,274
- Issue date Jan 4, 2022
- Headway Technologies, Inc.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard magnet stabilized shield for double (2DMR) or triple (3DMR) di...
- Patent number 10,593,357
- Issue date Mar 17, 2020
- Headway Technologies, Inc.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Grant
Hard magnet stabilized shield for double (2DMR) or triple (3DMR) di...
- Patent number 10,115,418
- Issue date Oct 30, 2018
- Headway Technologies, Inc.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Grant
Bias layer and shield biasing design
- Patent number 9,601,138
- Issue date Mar 21, 2017
- Headway Technologies, Inc.
- Glen Garfunkel
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic read head with magnetoresistive (MR) enhancements toward l...
- Patent number 9,601,137
- Issue date Mar 21, 2017
- Headway Technologies, Inc.
- Kunliang Zhang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic read head with MR enhancements
- Patent number 9,515,253
- Issue date Dec 6, 2016
- Headway Technologies, Inc.
- Kunliang Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reader designs of shield to shield spacing improvement
- Patent number 9,437,225
- Issue date Sep 6, 2016
- Headway Technologies, Inc.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic seed for improving blocking temperature and shield to shie...
- Patent number 9,281,469
- Issue date Mar 8, 2016
- Headway Technologies, Inc.
- Junjie Quan
- G01 - MEASURING TESTING
Information Patent Grant
High moment wrap-around shields for magnetic read head improvements
- Patent number 9,123,886
- Issue date Sep 1, 2015
- Headway Technologies, Inc.
- Kunliang Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic read head with MR enhancements
- Patent number 9,082,872
- Issue date Jul 14, 2015
- Headway Technologies, Inc.
- Kunliang Zhang
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic seed method for improving blocking temperature and shield...
- Patent number 8,921,126
- Issue date Dec 30, 2014
- Headway Technologies, Inc.
- Junjie Quan
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Hard Magnetic Stabilized Shield for Double (2DMR) or Triple (3DMR)...
- Publication number 20200176024
- Publication date Jun 4, 2020
- HEADWAY TECHNOLOGIES, INC.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Application
Hard Magnet Stabilized Shield for Double (2DMR) or Triple (3DMR) Di...
- Publication number 20190051321
- Publication date Feb 14, 2019
- HEADWAY TECHNOLOGIES, INC.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Application
Hard Magnet Stabilized Shield for Double (2DMR) or Triple (3DMR) Di...
- Publication number 20180144766
- Publication date May 24, 2018
- HEADWAY TECHNOLOGIES, INC.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Application
Bias Layer and Shield Biasing Design
- Publication number 20170084296
- Publication date Mar 23, 2017
- HEADWAY TECHNOLOGIES, INC.
- Glen Garfunkel
- G11 - INFORMATION STORAGE
Information Patent Application
BIAS LAYER AND SHIELD BIASING DESIGN
- Publication number 20170069341
- Publication date Mar 9, 2017
- HEADWAY TECHNOLOGIES, INC.
- Glen Garfunkel
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Read Head with Magnetoresistive (MR) Enhancements Toward L...
- Publication number 20160180869
- Publication date Jun 23, 2016
- HEADWAY TECHNOLOGIES, INC.
- Kunliang Zhang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Reader Designs of Shield to Shield Spacing Improvement
- Publication number 20160035378
- Publication date Feb 4, 2016
- HEADWAY TECHNOLOGIES, INC.
- Junjie Quan
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Read Head with MR Enhancements
- Publication number 20150295168
- Publication date Oct 15, 2015
- HEADWAY TECHNOLOGIES, INC.
- Kunliang Zhang
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Seed for Improving Blocking Temperature and Shield to Shie...
- Publication number 20150108593
- Publication date Apr 23, 2015
- HEADWAY TECHNOLOGIES, INC.
- Junjie Quan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High Moment Wrap-Around Shields for Magnetic Read Head Improvements
- Publication number 20140252518
- Publication date Sep 11, 2014
- HEADWAY TECHNOLOGIES, INC.
- Kunliang Zhang
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Seed for Improving Blocking Temperature and Shield to Shie...
- Publication number 20140210022
- Publication date Jul 31, 2014
- HEADWAY TECHNOLOGIES, INC.
- Junjie Quan
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Read Head with MR Enhancements
- Publication number 20140183673
- Publication date Jul 3, 2014
- HEADWAY TECHNOLOGIES, INC.
- Kunliang Zhang
- G01 - MEASURING TESTING

Junjie Quan

Person

Patents Grantslast 30 patents

Hard magnetic stabilized shield for double (2DMR) or triple (3DMR)...

Hard magnet stabilized shield for double (2DMR) or triple (3DMR) di...

Hard magnet stabilized shield for double (2DMR) or triple (3DMR) di...

Bias layer and shield biasing design

Magnetic read head with magnetoresistive (MR) enhancements toward l...

Magnetic read head with MR enhancements

Reader designs of shield to shield spacing improvement

Magnetic seed for improving blocking temperature and shield to shie...

High moment wrap-around shields for magnetic read head improvements

Magnetic read head with MR enhancements

Magnetic seed method for improving blocking temperature and shield...

Patents Applicationslast 30 patents

Hard Magnetic Stabilized Shield for Double (2DMR) or Triple (3DMR)...

Hard Magnet Stabilized Shield for Double (2DMR) or Triple (3DMR) Di...

Hard Magnet Stabilized Shield for Double (2DMR) or Triple (3DMR) Di...

Bias Layer and Shield Biasing Design

BIAS LAYER AND SHIELD BIASING DESIGN

Magnetic Read Head with Magnetoresistive (MR) Enhancements Toward L...

Reader Designs of Shield to Shield Spacing Improvement

Magnetic Read Head with MR Enhancements

Magnetic Seed for Improving Blocking Temperature and Shield to Shie...

High Moment Wrap-Around Shields for Magnetic Read Head Improvements

Magnetic Seed for Improving Blocking Temperature and Shield to Shie...

Magnetic Read Head with MR Enhancements