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For the Inventor, By the Inventor

Fremont, CA, United States of America

Qinghua Zeng

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This inventor holds 37 USPTO granted patents, primarily in Magnetic Recording Technology. Top assignees: Sae Magnetics (h.k.) Limited, Headway Technologies, Incorporated, Hitachi Global Storage Technologies Netherlands B.v.. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Qinghua Zeng. Retrieved from https://idiyas.com/inventor/qinghua-zeng

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 37

% Patents Active = 64.9

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 227(Granted Patents)


Location History:

  • San Jose, CA (US) (2005 - 2012)
  • Freemont, CA (US) (2014)
  • Fremont, CA (US) (2004 - 2024)

Company Filing History:

goldMedal16 out of 764 
 
Sae Magnetics (h.k.) Limited
 patents
silverMedal9 out of 1,230 
 
Headway Technologies, Incorporated
 patents
bronzeMedal9 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
4. 4 out of 5,429 
 
Western Digital Technologies, Inc.
 patents
5. 2 out of 189 
 
Intematix Corporation
 patents
6. 1 out of 987 
 
Hgst Netherlands, B.v.
 patents
7. 1 out of 52 
 
Hitachi Global Storage Technologies
 patents
8. 1 out of 12 
 
Hitachi Global Storage Technologies B.v.
 patents
9. 1 out of 1 
 
Sae Magnetics (Hk) Lid.
 patent
10. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 2004-2025

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Areas of Expertise:
Magnetic Recording
Hard Disk Drives
Gimbal Designs
Thermal Management
Touchdown Detection
Data Storage
Phosphors
Slider Assembly
Dynamic Performance
Load Beam
Shock Mount
Head-Disk Interaction
37 patents (USPTO):Explore Patents
1. 12347468 - Energy-assisted magnetic recording data storage device with opportunistic boosted laser pre-biasing (2025-07-01),
2. 12176015 - Pole tip recession compensation by dual heater ratio optimization in a hard disk drive (2024-12-24),
3. 12165681 - Touchdown detection and write-spacing setting in magnetic recording heads with protruding features (2024-12-10),
4. 11869546 - Adaptive dual heater mode for hard disk drive (2024-01-09),
5. 11289116 - Patterned reader shields for a cooler reader (2022-03-29),
6. 11211084 - Protective shields under touchdown conditions for thermally assisted perpendicular magnetic recording (2021-12-28),
7. 10839843 - TD detection with enhanced HDIs signal (2020-11-17),
8. 10679653 - High power ratio mode for TAMR drives (2020-06-09),
9. 10629233 - Bumper pad design for TAMR drives (2020-04-21),
10. 9892746 - ABS design with soft bumper pads (SBP) for mitigating media damage and thermal erasure in hard disk drives (HDD) (2018-02-13),
11. 9251829 - Head DFH protrusion shape calibration by HDI sensor (2016-02-02),
12. 9089037 - Long decay phosphors for lighting applications (2015-07-21),
13. 9085732 - Millisecond decay phosphors for AC LED lighting applications (2015-07-21),
14. 8976481 - Touch down detection with HDI sensor DC mode (2015-03-10),
15. 8767339 - Spacing fluctuation compensation (2014-07-01),

Title: The Innovative Journey of Qinghua Zeng

Introduction: Qinghua Zeng, a talented inventor based in Fremont, CA, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Qinghua Zeng's latest patents focus on advancements in renewable energy technologies, particularly in the development of solar panel efficiency and energy storage solutions.

Career Highlights: With a background in electrical engineering, Qinghua Zeng has worked for several leading tech companies where he honed his skills in research and development. His career highlights include spearheading projects that have led to multiple patent filings and industry recognition.

Collaborations: Qinghua Zeng has collaborated with top researchers and engineers in the industry, fostering a culture of innovation and knowledge sharing. His collaborative efforts have resulted in the successful implementation of cutting-edge technologies in various applications.

Conclusion: Qinghua Zeng's passion for innovation and his dedication to pushing the boundaries of technology make him a standout figure in the world of inventors. His relentless pursuit of excellence continues to inspire future generations of innovators.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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