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For the Inventor, By the Inventor

Kanagawa, Japan

Kouki Uefune

This inventor holds 56 USPTO granted patents and 1 published patent application, primarily in Magnetic Disk Drive (CPC class G11B). Top assignees: Hitachi, Ltd., Hitachi Global Storage Technologies Netherlands B.v., Western Digital Technologies, Inc.. Active years: 1995-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouki Uefune. Retrieved from https://idiyas.com/inventor/kouki-uefune

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

USPTO Granted Patents = 56 

% Patents Active = 48.2

Average Co-Inventor Count = 4.0

ph-index = 10

Forward Citations = 492(Granted Patents)

Forward Citations (Not Self Cited) = 466(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Minamiashigara, JP (1995 - 1997)
  • Odawara, JP (1998 - 2011)
  • Hiratsuka, JP (2015 - 2020)
  • Kanagawa, JP (2009 - 2022)

Company Filing History:

goldMedal16 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal14 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
bronzeMedal12 out of 5,429 
 
Western Digital Technologies, Inc.
 patents
4. 8 out of 987 
 
Hgst Netherlands, B.v.
 patents
5. 6 out of 227 
 
Hitachi Global Storage Technologies Japan, Ltd.
 patents

Years Active: 1995-2022

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Areas of Expertise:
Tape Embedded Drive
Voice Coil Motor
Data Storage Device
Magnetic Head
Actuator Assembly
Hermetically Sealed
Disk Drive
Gas Injection
Low Density Gas
Magnetic Recording
Recharging Mechanism
Vibration Reduction
56 patents (USPTO):Explore Patents
1. 11495270 - Tape embedded drive with multiple feedthrough connections (2022-11-08),
2. 11373677 - Double bend VCM yoke structure (2022-06-28),
3. 11295771 - Head positioning assembly for tape embedded drive (2022-04-05),
4. 11295769 - Soft mount voice coil motor assembly (2022-04-05),
5. 11211086 - Embedded tape reel lock mechanism for tape embedded storage drive (2021-12-28),
6. 11170823 - Tape embedded drive with multiple feedthrough connections (2021-11-09),
7. 11107494 - Data storage device accessing magnetic tape by actuating head in two dimensions (2021-08-31),
8. 10998008 - Interface connector for tape embedded drive (2021-05-04),
9. 10997998 - Tape embedded drive with tied spindle structure (2021-05-04),
10. 10916269 - Magnet for motor of magnetic storage device (2021-02-09),
11. 10699730 - Dual symmetrical actuator hard disk drive (2020-06-30),
12. 9819129 - Hard disk drive with feedthrough connector (2017-11-14),
13. 9093094 - Hard disk drive actuator assembly with interleaved voice coil motor (2015-07-28),
14. 8767353 - Low profile damper plates for a yoke of a voice coil motor (2014-07-01),
15. 8705202 - Reduce leakage of low-density gas during low-density gas injection into a disk drive (2014-04-22),

Title: Kouki Uefune: Pioneering Inventor from Kanagawa, Japan

Introduction: Kouki Uefune is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kouki Uefune holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Uefune has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the realm of invention.

Collaborations: Throughout his career, Kouki Uefune has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Kouki Uefune's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and shape the future 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]
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