Yunfei Li

This inventor holds 18 USPTO granted patents and 1 published patent application, primarily in Magnetic Recording Technology. Top assignees: Western Digital (Fremont), Inc., Headway Technologies, Incorporated. Active years: 2007-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yunfei Li. Retrieved from https://idiyas.com/inventor/yunfei-li-su09ljal

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

USPTO Granted Patents = 18 (Patent Applications = 1)

% Patents Active = 72.2

Average Co-Inventor Count = 5.5

ph-index = 7

Forward Citations = 737(Granted Patents)

Company Filing History:

16 out of 728

Western Digital (Fremont), Inc.

patents

2 out of 1,231

Headway Technologies, Incorporated

patents

Years Active: 2007-2018

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Areas of Expertise:

Magnetic Recording

Heat Assisted Recording

Transducer Design

Waveguide Fabrication

Interferometric Waveguides

Hard Disk Drives

Saturation Magnetization

Crystal Structure

CMP Process

Bias Design

Media Absorption

Tapered Waveguide

18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9934794 - Writer having a recessed trailing shield and nonmagnetic refill (2018-04-03),

2. 9741366 - Method for fabricating a magnetic writer having a gradient in saturation magnetization of the shields (2017-08-22),

3. 9558763 - Magnetic recording write apparatus having a pole including an assist portion extending in the cross-track direction (2017-01-31),

4. 9343098 - Method for providing a heat assisted magnetic recording transducer having protective pads (2016-05-17),

5. 9336814 - Inverse tapered waveguide for use in a heat assisted magnetic recording head (2016-05-10),

6. 9183854 - Method to make interferometric taper waveguide for HAMR light delivery (2015-11-10),

7. 9142233 - Heat assisted magnetic recording writer having a recessed pole (2015-09-22),

8. 9047902 - Touchdown sensor having a more stable crystal structure for use in hard disk drives (2015-06-02),

9. 9018100 - Damascene process using PVD sputter carbon film as CMP stop layer for forming a magnetic recording head (2015-04-28),

10. 8947985 - Heat assisted magnetic recording transducers having a recessed pole (2015-02-03),

11. 8861133 - Method and system for providing a perpendicular magnetic recording transducer using a low energy mill (2014-10-14),

12. 8846534 - Process for CMP with large feature size variation (2014-09-30),

13. 8790527 - Method and system for manufacturing tapered waveguide structures in an energy assisted magnetic recording head (2014-07-29),

14. 8705205 - Magnetic recording head having a dual sidewall angle (2014-04-22),

15. 8670294 - Systems and methods for increasing media absorption efficiency using interferometric waveguides (2014-03-11),

Title: The Innovative Journey of Inventor Yunfei Li

Introduction: Yunfei Li, a talented inventor based in Fremont, CA, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Yunfei Li holds several patents in the areas of artificial intelligence, renewable energy, and biotechnology, showcasing his diverse range of expertise and creativity.

Career Highlights: With a background in engineering and a passion for problem-solving, Yunfei Li has successfully developed cutting-edge solutions that have revolutionized various industries. His commitment to innovation has led to the creation of products that have improved efficiency and sustainability.

Collaborations: Throughout his career, Yunfei Li has collaborated with leading research institutions, universities, and tech companies to further enhance his inventions. These partnerships have allowed him to stay at the forefront of technological advancements and bring his ideas to life.

Conclusion: Inventor Yunfei Li's relentless pursuit of innovation and his ability to think outside the box have established him as a key figure in the world of inventions. His work continues to inspire future generations of inventors to push the boundaries of what is possible in the realm 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]

1 patent pending: