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For the Inventor, By the Inventor

San Jose, CA, United States of America

Ying Liu

This inventor holds 50 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Perpendicular Magnetic Recording (CPC class G11B). Top assignees: Headway Technologies, Incorporated, Cisco Technology, Inc., Fujitsu Corporation. Active years: 2012-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ying Liu. Retrieved from https://idiyas.com/inventor/ying-liu-s54fijtk

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

USPTO Granted Patents = 50 

% Patents Active = 96.0

 

Average Co-Inventor Count = 3.1

ph-index = 10

Forward Citations = 440(Granted Patents)

Forward Citations (Not Self Cited) = 373(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Chengdu, CN (2019 - 2021)
  • Milpitas, CA (US) (2018 - 2022)
  • San Jose, CA (US) (2012 - 2023)
  • Fremont, CA (US) (2023)

Company Filing History:

goldMedal36 out of 1,230 
 
Headway Technologies, Incorporated
 patents
silverMedal5 out of 21,378 
 
Cisco Technology, Inc.
 patents
bronzeMedal4 out of 39,374 
 
Fujitsu Corporation
 patents
4. 2 out of 6,317 
 
Sap Se
 patents
5. 2 out of 262 
 
Sichuan University
 patents
6. 1 out of 1 
 
Jovia, Inc.
 patent

Years Active: 2012-2023

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Areas of Expertise:
Perpendicular Magnetic Recording
Write Head Designs
Magnetic Shielding
Spin Layer Optimization
High Moment Trailing Shield
Recessed Leading Shield
Data Transmission Methods
Magnetic Flux Guiding Devices
Write Current Waveform
Spin Torque Oscillator
Coil Routing Designs
Sandwich Trailing Shield
50 patents (USPTO):Explore Patents
1. 11699460 - Perpendicular magnetic recording (PMR) writer with recessed leading shield (2023-07-11),
2. 11636873 - Magnetic recording writer with improved main pole shape (2023-04-25),
3. 11545175 - Writer with laterally graded spin layer MsT (2023-01-03),
4. 11355141 - Writer with narrower high moment trailing shield (2022-06-07),
5. 11348605 - Writer with adaptive side gap (2022-05-31),
6. 11295768 - Writer with laterally graded spin layer MsT (2022-04-05),
7. 11295767 - Perpendicular magnetic recording (PMR) writer with recessed leading shield (2022-04-05),
8. 11289117 - Magnetic head including spin torque oscillator (2022-03-29),
9. 11170802 - Writer with HMTS (high moment trailing shield) aligned with spin layer (2021-11-09),
10. 11056133 - Writer with HMTS (high moment trailing shield) aligned with spin layer (2021-07-06),
11. 11031039 - Circuits and methods for optimizing write current waveform for main pole relaxation in perpendicular magnetic recording (2021-06-08),
12. 11018701 - Reliable data transmission method based on reliable UDP and fountain code in aeronautical ad hoc networks (2021-05-25),
13. 10991391 - Circuits and methods for modifying the write current waveform to improve track density in HDD (2021-04-27),
14. 10950257 - Process of forming a recessed spin flipping element in the write gap (2021-03-16),
15. 10861486 - Writer with narrower high moment trailing shield (2020-12-08),

Title: Innovations in Magnetic Recording: The Impact of Ying Liu

Introduction

Ying Liu, based in San Jose, CA, is a prolific inventor with an impressive portfolio of 50 patents to his name. His significant contributions to the field of magnetic recording technology have marked him as an influential figure in this domain. Through innovative designs and advanced engineering, Liu has propelled the development of writing heads crucial for data storage.

Latest Patents

Among his notable inventions, two recent patents stand out. The first patent details a perpendicular magnetic recording (PMR) writer with a recessed leading shield. This invention features a main write pole surrounded by magnetic shields, including laterally disposed side shields and a leading shield. The innovative design allows for independent adjustment of the leading-edge shield and taper, optimizing performance in relation to the air bearing surface (ABS).

The second patent introduces a magnetic recording writer with an improved main pole shape. This design includes a sophisticated configuration of a main pole with both flared and curved sidewalls, enhancing the efficiency of the write head at the ABS. This state-of-the-art design promises to improve the reliability and performance of magnetic storage devices.

Career Highlights

Throughout his career, Ying Liu has made significant strides in the technology sector. He has held positions at reputed companies such as Headway Technologies, Incorporated and Cisco Technology, Inc., where he has been instrumental in advancing research and development efforts in magnetic recording technologies. Liu's expertise in this area has contributed enormously to the cutting-edge innovations these companies are known for.

Collaborations

Ying Liu has also worked alongside esteemed professionals in the field, including coworkers Yuhui Tang and Yue Liu. Their collaborative efforts in research and development have led to several advancements in magnetic storage technology, enhancing the capabilities of data storage and retrieval systems.

Conclusion

Ying Liu's contributions to the field of magnetic recording exemplify the spirit of innovation that drives technology forward. With his extensive patent portfolio and his commitment to advancing engineering solutions, Liu continues to influence the landscape of data storage, paving the way for future innovations.

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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