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For the Inventor, By the Inventor

Pleasanton, CA, United States of America

Chih-Ching Hu

USPTO Granted Patents = 28 

Average Co-Inventor Count = 5.9

ph-index = 5

Forward Citations = 497(Granted Patents)


Location History:

  • Rochester, NY (US) (2004 - 2005)
  • Pleasanton, CA (US) (2013 - 2023)

Company Filing History:

goldMedal21 out of 5,310 
 
Western Digital Technologies, Inc.
 patents
silverMedal5 out of 728 
 
Western Digital (fremont), Inc.
 patents
bronzeMedal2 out of 304 
 
Veeco Instruments Inc.
 patents

Years Active: 2004-2025

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28 patents (USPTO):
1. 12374356 - Pinned shield with controllable exchange bias field (2025-07-29),
2. 12322420 - Middle shields two-dimensional magnetic recording read heads (2025-06-03),
3. 12308052 - Produce thinner DTS and adjustable capacitance for TDMR heads (2025-05-20),
4. 12243565 - Dual free layer read head having recessed sidewall insulator layer and method of making thereof (2025-03-04),
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. 11514934 - Planar design for sensors in a dual free layer read head (2022-11-29),
8. 11495252 - Magnetic sensor array with single TMR film plus laser annealing and characterization (2022-11-08),
9. 11493573 - Magnetic sensor with dual TMR films and the method of making the same (2022-11-08),
10. 11428758 - High sensitivity TMR magnetic sensor (2022-08-30),
11. 11415645 - Magnetic sensor array with one TMR stack having two free layers (2022-08-16),
12. 11410690 - Two-dimensional magnetic recording reader with dual free layer magnetic tunnel junction (2022-08-09),
13. 11385306 - TMR sensor with magnetic tunnel junctions with shape anisotropy (2022-07-12),
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 Innovation Journey of Chih-Ching Hu: Pioneering Magnetic Sensor Technologies

Introduction: Chih-Ching Hu, a prolific inventor based in Pleasanton, CA, has made significant contributions to the field of magnetic sensor technology with 23 patents to his name. His groundbreaking work has paved the way for advancements in sensor arrays and dual free layer read heads.

Latest Patents: Hu's recent patents include a Magnetic Sensor Array with different RA TMR films, revolutionizing Wheatstone bridge arrays by incorporating unique TMR structures in resistors. Additionally, his Planar Design for Sensors in a Dual Free Layer Read Head enhances the efficiency and functionality of two-dimensional magnetic recording read heads.

Career Highlights: Hu has left an indelible mark on the industry through his tenure at Western Digital Technologies, Inc. and Western Digital (Fremont), Inc., where he spearheaded research and development in cutting-edge sensor technologies. His expertise and dedication have propelled the field forward, earning him recognition as a pioneering figure in the sector.

Collaborations: Throughout his career, Hu has collaborated closely with esteemed colleagues such as Ming Mao and Daniele Mauri, fostering a culture of innovation and collaboration. Together, they have achieved remarkable breakthroughs in magnetic sensor technologies, shaping the landscape of the industry.

Conclusion: Chih-Ching Hu's relentless pursuit of innovation and commitment to excellence have solidified his position as a trailblazer in the realm of magnetic sensor technology. His contributions continue to drive progress and inspire future generations of inventors in the field.

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