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For the Inventor, By the Inventor

Fremont, CA, United States of America

Jifang Tian

This inventor holds 33 USPTO granted patents and 2 published patent applications, primarily in Disk Drive Technology. Top assignees: Western Digital Technologies, Inc., Hitachi Global Storage Technologies Netherlands B.v., Seagate Technology Incorporated. Active years: 2010-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jifang Tian. Retrieved from https://idiyas.com/inventor/jifang-tian

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

USPTO Granted Patents = 33 

% Patents Active = 54.5

Average Co-Inventor Count = 3.1

ph-index = 15

Forward Citations = 762(Granted Patents)


Location History:

  • St. Fremont, CA (US) (2011)
  • Fremont, CA (US) (2010 - 2023)

Company Filing History:

goldMedal20 out of 5,427 
 
Western Digital Technologies, Inc.
 patents
silverMedal9 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
bronzeMedal2 out of 8,745 
 
Seagate Technology Incorporated
 patents
4. 1 out of 43,495 
 
Apple Inc.
 patents
5. 1 out of 719 
 
Maxtor Corporation
 patents

Years Active: 2010-2023

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Areas of Expertise:
Vibration Isolation
Actuator Control
Fluid Dynamic Bearings
Disk Drive Suspension
Microactuator
Damping Inserts
Head Stack Assembly
Capillary Buffer
Dynamic Loop Section
Head-to-Disk Spacing
Embedded Actuators
HDD Design
33 patents (USPTO):Explore Patents
1. 11588377 - Electronic devices with a motor that includes a stator with a non-uniform radius of curvature (2023-02-21),
2. 9947370 - Hard disk drive support in USB enclosure to improve vibration isolation (2018-04-17),
3. 9401165 - Method and system to monitor magnetic head loading and unloading stability for a data storage system (2016-07-26),
4. 9361947 - Hard disk drive motor cup support (2016-06-07),
5. 9299384 - Ultra-thin HDD embedded disk clamp design (2016-03-29),
6. 9142225 - Electronic system with actuator control mechanism and method of operation thereof (2015-09-22),
7. 9116066 - Devices and methods for system-level disk drive vibration and shock testing (2015-08-25),
8. 9076471 - Fall detection scheme using FFS (2015-07-07),
9. 9036295 - Information storage device with a damping insert sheet between a housing bay and a disk drive (2015-05-19),
10. 8982513 - Disk drive head suspension with dual piezoelectric elements adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexure (2015-03-17),
11. 8797691 - Disk drive head suspension with a single piezoelectric element adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexure (2014-08-05),
12. 8705201 - Information storage device with a damping insert sheet between a housing bay and a disk drive (2014-04-22),
13. 8693139 - Ultra-thin HDD embedded disk clamp design (2014-04-08),
14. 8667667 - Method for fabricating a disk drive base for a disk drive (2014-03-11),
15. 8593764 - Method for fine actuation of a head during operation of a disk drive (2013-11-26),

Title: Innovator Spotlight: Jifang Tian

Introduction: Jifang Tian, based in Fremont, CA, is a prolific inventor with an impressive portfolio of 33 patents to his name. His contributions to the field of electronic devices have made significant strides in both performance and efficiency.

Latest Patents: Among his latest innovations, Tian has developed groundbreaking technologies such as an electronic fan motor that incorporates a stator with a non-uniform radius of curvature. This design minimizes varying torque applied to the rotor, ensuring a more consistent performance while reducing vibration and acoustical noise. Another notable patent involves a hard disk drive assembly designed for USB enclosures, which enhances vibration isolation through resilient materials. This unique approach uses isolators with strategically placed openings, allowing them to respond effectively to both small vibrations and larger shocks.

Career Highlights: Jifang Tian has built his career at esteemed companies, including Western Digital Technologies, Inc. and Hitachi Global Storage Technologies Netherlands B.V. His work has played a pivotal role in advancing storage technology, focusing on improving the reliability and functionality of consumer electronic devices.

Collaborations: Throughout his career, Tian has collaborated with notable colleagues such as Jian Yang and Qiang Yang. These partnerships have facilitated a blend of ideas and innovations, contributing to the success of his various projects and inventions.

Conclusion: Jifang Tian's innovative spirit and technical expertise have resulted in substantial advancements in electronic devices. With his ongoing commitment to research and development, he continues to push the boundaries of technology, inspiring future generations of inventors.

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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