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For the Inventor, By the Inventor

Kanagawa, Japan

Katsumi Hoshino

This inventor holds 29 USPTO granted patents, primarily in Magnetoresistive Heads. Top assignees: Hitachi Global Storage Technologies Netherlands B.v., Hgst Netherlands, B.v., Hitachi, Ltd.. Active years: 2000-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Hoshino. Retrieved from https://idiyas.com/inventor/katsumi-hoshino

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

Calculating rank
USPTO Granted Patents = 29

% Patents Active = 37.9

Average Co-Inventor Count = 4.1

ph-index = 8

Forward Citations = 178(Granted Patents)


Location History:

  • Hitachi, JP (2000 - 2003)
  • Matsuda, JP (2003 - 2006)
  • Kanagawa, JP (2008 - 2014)
  • Matsuda-machi, JP (2014)
  • Odawara, JP (2014 - 2015)

Company Filing History:

goldMedal12 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
silverMedal10 out of 987 
 
Hgst Netherlands, B.v.
 patents
bronzeMedal7 out of 42,740 
 
Hitachi, Ltd.
 patents

Years Active: 2000-2015

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Areas of Expertise:
Magnetic Sensor
Error Recovery
Magneto-Resistive Effect
Magnetic Head
Tunneling Magnetoresistance
Current Perpendicular to Plane
Multilayered Film
Domain Stabilization
High Saturation Magnetization
Thermal Expansion
Magnetic Storage Apparatus
Manufacturing Method
29 patents (USPTO):Explore Patents
1. 9099123 - Magnetic sensor having optimal free layer back edge shape and extended pinned layer (2015-08-04),
2. 9019649 - Error recovery based on applying current/voltage to a heating element of a magnetic head (2015-04-28),
3. 8976492 - Magnetic head having two domain control layers for stabilizing magnetization of the hard bias layer (2015-03-10),
4. 8873203 - Magnetic head having a soft magnetic layer formed behind a tunneling magnetoresistance (TMR) sensor in an element height direction (2014-10-28),
5. 8830635 - Magnetic head having shield layer(s) with low coefficient of thermal expansion and magnetic storage apparatus having same (2014-09-09),
6. 8810953 - Error recovery based on applying current/voltage to a heating element of a magnetic head (2014-08-19),
7. 8778515 - Magneto-resistive effect element, magnetic head, and magnetic recording/reading apparatus (2014-07-15),
8. 8760821 - Higher stability read head using a read sensor with a flat back edge (2014-06-24),
9. 8570689 - Differential magnetoresistive effect head and magnetic recording/reading device (2013-10-29),
10. 8514527 - Magnetoresistive effect head having a multilayered pinned layer and/or free layer having amorphous and crystalline layers, and systems thereof (2013-08-20),
11. 8189304 - Magnetoresistive magnetic head having a cpp element using a heusler alloy layer and a high saturation magnetization layer (2012-05-29),
12. 8174799 - Differential magnetoresistive magnetic head (2012-05-08),
13. 8149548 - Magnetic head and manufacturing method thereof (2012-04-03),
14. 8081402 - Magnetoresistive head having a current screen layer for confining current therein and method of manufacture thereof (2011-12-20),
15. 8064159 - Current perpendicular to plane (CPP) magnetic read head (2011-11-22),

Title: Katsumi Hoshino: Pioneering Technological Innovations

Introduction:

Katsumi Hoshino, a visionary inventor based in Kanagawa, Japan, has made significant contributions to the field of technology with his inventive spirit and dedication to pushing the boundaries of what is possible.

Latest Patents:

Hoshino's latest patents showcase his expertise in the realm of magnetic sensors and error recovery mechanisms. One of his inventions includes a magnetic sensor with an optimal free layer back edge shape and extended pinned layer, designed to enhance sensor performance. Another patent focuses on error recovery by applying current/voltage to a heating element of a magnetic head, providing innovative solutions for magnetic disk devices.

Career Highlights:

With a total of 29 patents to his name, Katsumi Hoshino has demonstrated a profound understanding of technology and a knack for developing groundbreaking inventions. His work exemplifies a commitment to innovation and a passion for creating technologies that improve our daily lives.

Collaborations:

Throughout his career, Hoshino has collaborated with esteemed colleagues such as Hiroyuki Hoshiya and Kenichi Meguro. Together, they have contributed to the advancement of technology and the development of cutting-edge solutions in the field of magnetic sensors and data storage.

Conclusion:

In conclusion, Katsumi Hoshino stands as a beacon of innovation in the realm of technology, with a track record of pioneering inventions that have reshaped the way we interact with the world around us. His dedication to pushing the boundaries of what is possible serves as an inspiration to aspiring inventors and innovators worldwide.

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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