Jianhua Li

This inventor holds 12 USPTO granted patents. Top assignees: Hgst Netherlands, B.v., Hitachi Global Storage Technologies Netherlands B.v.. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jianhua Li. Retrieved from https://idiyas.com/inventor/jianhua-li-54ahs9mh

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

Calculating rank

USPTO Granted Patents = 12

% Patents Active = 50.0

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 104(Granted Patents)

Location History:

Sagamihara, JP (2014 - 2015)
Kanagawa, JP (2012 - 2016)

Company Filing History:

8 out of 987

Hgst Netherlands, B.v.

patents

4 out of 2,636

Hitachi Global Storage Technologies Netherlands B.v.

patents

Years Active: 2012-2016

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9311945 - Magnetic head for microwave assisted magnetic recording (2016-04-12),

2. 9202528 - MAMR head with recessed STO (2015-12-01),

3. 9159348 - Systems and methods for clearance monitoring in storage media (2015-10-13),

4. 9007724 - Head structure with electric damage protection for a microwave-assisted hard disk drive (2015-04-14),

5. 8995088 - Heat sink for a spin torque oscillator (STO) in microwave assisted magnetic recording (MAMR) (2015-03-31),

6. 8885274 - Implementing surface analysis test (SAT) function for microwave-assisted magnetic recording (MAMR) HDD with embedded contact sensor (ECS) and spin torque oscillator (STO) signals (2014-11-11),

7. 8873191 - Fly-height control and touchdown detection (2014-10-28),

8. 8270116 - Magnetic disk drive and magnetic head slider with stabilized flying (2012-09-18),

9. 8218266 - Head slider (2012-07-10),

10. 8184402 - Magnetic disk drive slider having a trailing edge extended rear surface (2012-05-22),

11. 8116037 - Disk drive including head-slider configured to suppress lubricant droplet accumulation (2012-02-14),

12. 8102626 - Disk drive and head slider (2012-01-24),

Title: The Innovative Contributions of Jianhua Li

Introduction

Jianhua Li is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 12 patents. His work has been instrumental in advancing the capabilities of magnetic recording systems.

Latest Patents

Among his latest patents is a magnetic head for microwave-assisted magnetic recording (MAMR). This invention includes a spin torque oscillator (STO) and an embedded contact sensor (ECS), which are electrically connected in series. The current applied to the STO is controlled based on changes in the resistance of the ECS during operation. Another notable patent is a MAMR head with a recessed STO, which features a main pole, a trailing shield, and the STO positioned between them, recessed from the air bearing surface. These innovations reflect his expertise in enhancing magnetic recording technologies.

Career Highlights

Jianhua Li has worked with several notable companies throughout his career, including HGST Netherlands B.V. and Hitachi Global Storage Technologies Netherlands B.V. His experience in these organizations has allowed him to develop and refine his innovative ideas in magnetic recording.

Collaborations

Throughout his career, Jianhua has collaborated with talented individuals such as Junguo Xu and Masaru Furukawa. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Jianhua Li's contributions to the field of magnetic recording technology are noteworthy. His innovative patents and collaborations highlight his significant impact on the industry. His work continues to influence advancements in magnetic recording systems.

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]