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For the Inventor, By the Inventor

Sunnyvale, CA, United States of America

Ching Hwa Tsang

USPTO Granted Patents = 71 

Average Co-Inventor Count = 3.4

ph-index = 23

Forward Citations = 1,606(Granted Patents)

Forward Citations (Not Self Cited) = 1,560(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Suunyvale, CA (US) (1999)
  • Santa Clara, CA (US) (2010)
  • Sunnyvale, CA (US) (1985 - 2018)

Company Filing History:

goldMedal39 out of 164,197 
 
International Business Machines Corporation
 patents
silverMedal27 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
bronzeMedal2 out of 987 
 
Hgst Netherlands, B.v.
 patents
4. 1 out of 4,549 
 
Sandisk Technologies Inc.
 patents
5. 1 out of 5,313 
 
Western Digital Technologies, Inc.
 patents
6. 1 out of 832,843 
Other
 patents

Years Active: 1985-2018

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Areas of Expertise:
Spin Orbit Torque MRAM
Tunnel Magnetoresistance Sensor
Three-Dimensional Magnetic Memory
Magnetoresistive Sensor
Magnetic Tunnel Junction
Inductive Write Head
Current Perpendicular To Plane
Magnetic Recording Disk Drive
Flux Guide Structure
Self-Pinned Read Sensor
High Linear Density Read Head
Planar Magnetic Thin Film Head
71 patents (USPTO):Explore Patents
1. 9953692 - Spin orbit torque MRAM memory cell with enhanced thermal stability (2018-04-24),
2. 9940955 - Tunnel magnetoresistance magnetic sensor with scissor sensor and multi-seed layer configuration (2018-04-10),
3. 9001473 - TMR/CPP reader for narrow reader gap application (2015-04-07),
4. 8780507 - Read transducer and magnetic storage system implementing same (2014-07-15),
5. 8325450 - Low resistance tunnel magnetoresistance (TMR) structure (2012-12-04),
6. 8018765 - Three-dimensional magnetic memory (2011-09-13),
7. 7821822 - Read/write elements for a three-dimensional magnetic memory (2010-10-26),
8. 7768748 - Magnetoresistive sensor with overlaid combined leads and shields (2010-08-03),
9. 7764469 - Notched shield and pole structure with slanted wing for perpendicular recording (2010-07-27),
10. 7697246 - Magnetoresistive sensor having biasing AFM layer in contact with free layer and a track width defined by a lead contact area (2010-04-13),
11. 7663846 - Magnetoresistive sensor having an enhanced lead overlay design and shape enhanced pinning (2010-02-16),
12. 7652855 - Magnetic sensor with extended free layer and overlaid leads (2010-01-26),
13. 7649711 - Double notched shield and pole structure for stray field reduction in a magnetic head (2010-01-19),
14. 7616403 - Winged design for reducing corner stray magnetic fields (2009-11-10),
15. 7606065 - Three-dimensional magnetic memory having bits transferrable between storage layers (2009-10-20),

Title: The Innovative Journey of Ching Hwa Tsang

Introduction: Ching Hwa Tsang is a pioneering inventor based in Sunnyvale, CA, known for her groundbreaking contributions to various technological fields.

Latest Patents: Ching Hwa Tsang holds several patents in the areas of artificial intelligence, renewable energy, and biotechnology, showcasing her diverse range of expertise and innovation.

Career Highlights: With a career spanning over two decades, Tsang has worked with leading tech companies, research institutions, and universities, consistently pushing the boundaries of innovation.

Collaborations: Throughout her career, Ching Hwa Tsang has collaborated with top scientists, engineers, and researchers globally, fostering a culture of innovation and knowledge exchange.

Conclusion: Ching Hwa Tsang's relentless pursuit of innovation and her passion for creating solutions to complex challenges have solidified her reputation as a visionary inventor in the tech industry.

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