Mountain View, CA, United States of America

Chen-jung Chien

This inventor holds 27 USPTO granted patents and 4 published patent applications, primarily in Magnetic Recording Technology. Top assignees: Western Digital Technologies, Inc., Western Digital (Fremont), Inc.. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chen-jung Chien. Retrieved from https://idiyas.com/inventor/chen-jung-chien-hy28tl71

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

Calculating rank

USPTO Granted Patents = 27 (Patent Applications = 4)

% Patents Active = 92.6

Average Co-Inventor Count = 5.5

ph-index = 5

Forward Citations = 237(Granted Patents)

Company Filing History:

21 out of 5,432

Western Digital Technologies, Inc.

patents

6 out of 728

Western Digital (Fremont), Inc.

patents

Years Active: 2014-2026

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Areas of Expertise:

Magnetic Recording

TMR Sensors

Dual Free Layer

Magnetic Sensor Array

Transverse Bias

Shield Designs

Capacitance Adjustment

Magnetic Strength

Read Heads

Chemical Mechanical Planarization

Tunnel Magnetoresistance

Magnetic Storage

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12731604 - Shield designs for two dimensional magnetic recording read heads (2026-09-08),

2. 12374356 - Pinned shield with controllable exchange bias field (2025-07-29),

3. 12322420 - Middle shields two-dimensional magnetic recording read heads (2025-06-03),

4. 12308052 - Produce thinner DTS and adjustable capacitance for TDMR heads (2025-05-20),

5. 12106787 - DFL read head with SiOx cap layer on AlOx refill layers (2024-10-01),

6. 11598828 - Magnetic sensor array with different RA TMR film (2023-03-07),

7. 11532324 - Vertical junction to provide optimal transverse bias for dual free layer read heads (2022-12-20),

8. 11514934 - Planar design for sensors in a dual free layer read head (2022-11-29),

9. 11514933 - Method to enhance magnetic strength and robustness of rear hard bias for dual free layer read (2022-11-29),

10. 11495252 - Magnetic sensor array with single TMR film plus laser annealing and characterization (2022-11-08),

11. 11493573 - Magnetic sensor with dual TMR films and the method of making the same (2022-11-08),

12. 11415645 - Magnetic sensor array with one TMR stack having two free layers (2022-08-16),

13. 11410690 - Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction (2022-08-09),

14. 11385305 - Magnetic sensor array with dual TMR film (2022-07-12),

15. 11201280 - Bottom leads chemical mechanical planarization for TMR magnetic sensors (2021-12-14),

Title: The Innovative Journey of Chen-jung Chien

Introduction: Chen-jung Chien, a talented inventor based in Mountain View, CA, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Chen-jung Chien holds several patents in the areas of artificial intelligence, machine learning, and robotics, showcasing his expertise in cutting-edge technologies.

Career Highlights: With a background in computer science and engineering, Chen-jung Chien has worked for top tech companies, leading research institutions, and universities, where he has spearheaded projects that have revolutionized the industry.

Collaborations: Throughout his career, Chen-jung Chien has collaborated with renowned experts in the field, fostering a culture of innovation and pushing the boundaries of what is possible in the tech world.

Conclusion: Chen-jung Chien's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

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]

4 patents pending: