Quan Li

This inventor holds 29 USPTO granted patents, primarily in Magnetic Data Storage. Top assignee: Seagate Technology Incorporated. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Quan Li. Retrieved from https://idiyas.com/inventor/quan-li-q4pns9ky

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

Calculating rank

USPTO Granted Patents = 29

% Patents Active = 89.7

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 108(Granted Patents)

Location History:

Shugart, SG (2018)
Singapore, SG (2015 - 2023)

Company Filing History:

29 out of 8,750

Seagate Technology Incorporated

patents

Years Active: 2015-2026

Loading Chart...

Areas of Expertise:

Magnetic Recording

Data Management

Write Current Switching

Thermal Spot

Shingled Magnetic Recording

Data Security

Error Detection

Head Fly Height

Drive Sanitization

Random Number Generation

Multi-Channel Recording

Adaptive Configuration

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12609135 - Tri-level magnetic recording of bits (2026-04-21),

2. 12131758 - Fast partial erasure for drive sanitization (2024-10-29),

3. 11682427 - System and method for managing off-track read retry (2023-06-20),

4. 11631424 - Dual reader controller (2023-04-18),

5. 11593190 - Detecting shingled overwrite errors (2023-02-28),

6. 11532327 - Reader fly height control for head burnishing mitigation (2022-12-20),

7. 11450341 - Thermal spot-dependent write method and apparatus for a heat-assisted magnetic storage device (2022-09-20),

8. 11295777 - System and method for managing off-track read retry (2022-04-05),

9. 11127419 - Thermal spot-dependent write method and apparatus for a heat-assisted magnetic storage device (2021-09-21),

10. 11127418 - Write current switching using an effective size of a media thermal spot produced by a heat-assisted magnetic storage device (2021-09-21),

11. 10885932 - Write current switching using an effective size of a media thermal spot produced by a heat-assisted magnetic storage device (2021-01-05),

12. 10867633 - Reduced adjacent track erasure from write retry (2020-12-15),

13. 10698658 - Random number generation from spin torque oscillator noise (2020-06-30),

14. 10528348 - Data management method for storage media (2020-01-07),

15. 10446184 - Write current switching in a data storage device using an effective footprint of a write pole (2019-10-15),

Title: Innovations by Quan Li: A Look into His Patents and Contributions

Introduction: Quan Li is a notable inventor based in Singapore, recognized for his significant contributions to the field of technology with a remarkable portfolio of 28 patents. His innovative work primarily focuses on advancements in disk drive technology, enhancing data management and sanitization processes.

Latest Patents: Among Quan Li's latest patents is the "Fast Partial Erasure for Drive Sanitization," which introduces a method for effectively sanitizing data stored on magnetic disk surfaces. This patent outlines a process to determine a critical error rate that renders the stored data unrecoverable. By identifying an appropriate seek velocity, the system ensures data sanitization through targeted overwriting during disk traversal.

Another notable patent is the "System and Method for Managing Off-Track Read Retry." This technology encompasses a sophisticated method for optimizing read retries when data is read off-track. It involves storing values from an analog to digital converter, computing an indicator for the distribution of these values, and adjusting the data reader's position based on the calculated offset to enhance read retry operations.

Career Highlights: Quan Li has built a reputable career at Seagate Technology Incorporated, a leading company in data storage solutions. His expertise in innovative technologies has been pivotal in driving advancements within the organization, reflecting his commitment to excellence in research and development.

Collaborations: Throughout his career, Quan Li has collaborated with talented individuals in the tech industry, including colleagues Xiong Liu and Wenxiang Xie. These collaborations have resulted in significant innovations that contribute to the evolving landscape of data storage technology.

Conclusion: Quan Li's dedication to innovation is evident in his extensive patent portfolio and contributions to Seagate Technology Incorporated. His groundbreaking inventions not only enhance data management and security but also exemplify the continuous advancements in disk drive technology. As he continues to drive innovation, Quan Li remains a key figure in the field, inspiring future generations of inventors and technologists.

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]