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For the Inventor, By the Inventor

Berkeley, CA, United States of America

Li Yi

This inventor holds 4 USPTO granted patents. Top assignee: Western Digital Technologies, Inc.. Active years: 2005-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Li Yi. Retrieved from https://idiyas.com/inventor/li-yi-j50nwkb8

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

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 454(Granted Patents)


Location History:

  • Berkeley, CA (US) (2005 - 2009)
  • Mountain View, CA (US) (2011)

Company Filing History:

goldMedal4 out of 5,429 
 
Western Digital Technologies, Inc.
 patents

Years Active: 2005-2011

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4 patents (USPTO):Explore Patents
1. 7961422 - Disk drive computing data center off-track from repeatable runout of write servo track and read servo track (2011-06-14),
2. 7595954 - Disk drive to estimate repeatable runout (RRO) based upon on an optimal mean square estimation (MSE) learning method (2009-09-29),
3. 7196864 - Disk drive having a servo control system optimized for faster determination of repeatable runout correction values and related method (2007-03-27),
4. 6900958 - Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrences (2005-05-31),

Title: The Innovations of Li Yi

Introduction

Li Yi is an accomplished inventor based in Berkeley, CA, known for his significant contributions to the field of disk drive technology. With a total of 4 patents to his name, he has made strides in improving data center operations and disk drive performance.

Latest Patents

Li Yi's latest patents include innovative methods for enhancing disk drive functionality. One notable patent is for a disk drive that computes data center off-track from repeatable runout of write servo track and read servo track. This invention involves a disk with multiple servo tracks that define data tracks, utilizing a head actuated by a voice coil motor (VCM). The read and write elements are strategically positioned to measure repeatable runout (RRO) and compute data center off-track accordingly. Another significant patent focuses on estimating RRO using an optimal mean square estimation (MSE) learning method. This method determines position error signal (PES) values for servo wedges and averages them to enhance the accuracy of RRO estimation.

Career Highlights

Li Yi is currently employed at Western Digital Technologies, Inc., where he continues to innovate in the realm of data storage solutions. His work has been pivotal in advancing the efficiency and reliability of disk drives, making a lasting impact on the industry.

Collaborations

Throughout his career, Li has collaborated with talented individuals such as Min Chen and Arafat M Butt, contributing to a dynamic and innovative work environment.

Conclusion

Li Yi's contributions to disk drive technology exemplify the spirit of innovation and dedication to improving data storage solutions. His patents reflect a deep understanding of the complexities involved in disk drive operations, positioning him as a key figure in the field.

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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