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For the Inventor, By the Inventor

Tokyo, Japan

Hiraku Hirabayashi

This inventor holds 145 USPTO granted patents and 34 published patent applications and 8 EPO patents, primarily in Magnetic Sensors (CPC class G01R33-093). Top assignees: Tdk Corporation, Asahi Kasei Microdevices Corporation, Sae Magnetics (h.k.) Limited. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiraku Hirabayashi. Retrieved from https://idiyas.com/inventor/hiraku-hirabayashi

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

USPTO Granted Patents = 145 

% Patents Active = 91.0

 

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 253(Granted Patents)

Forward Citations (Not Self Cited) = 203(Dec 10, 2025)


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Location History:

  • Chuo-ku, JP (2010)
  • Tokyo, JP (2007 - 2024)

Company Filing History:

goldMedal145 out of 8,267 
 
Tdk Corporation
 patents
silverMedal2 out of 346 
 
Asahi Kasei Microdevices Corporation
 patents
bronzeMedal1 out of 764 
 
Sae Magnetics (h.k.) Limited
 patents
where one patent can have more than one assignee

Years Active: 2007-2026

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Areas of Expertise:
Magnetic Sensor
Magnetic Field Detection
Position Detection
Magnetoresistive Element
Inspection Apparatus
Angle Sensor System
Current Sensor
Sensor Unit
Magnetic Detection Element
Battery Apparatus
Inverter Apparatus
Camera Module
145 patents (USPTO):Explore Patents
1. 12768911 - Magnetic sensor device (2026-10-20),
2. 12638520 - Magnetic sensor (2026-05-26),
3. 12618921 - Magnetic sensor including magnetic detection element and magnetic field generator disposed on inclined surface (2026-05-05),
4. 12578402 - Magnetic sensor (2026-03-17),
5. 12571860 - Magnetic sensor device (2026-03-10),
6. 12467988 - Magnetic sensor and camera module (2025-11-11),
7. 12455302 - Magnetic field detection apparatus and current detection apparatus (2025-10-28),
8. 12455177 - Position detection device (2025-10-28),
9. 12352830 - Sensor unit (2025-07-08),
10. 12332282 - Magnetic field detection apparatus and current detection apparatus (2025-06-17),
11. 12320872 - Magnetic sensor and magnetic sensor system (2025-06-03),
12. 12313704 - Magnetic field detection device (2025-05-27),
13. 12298363 - Magnetic sensor having magnetoresistive effect element with inclined magnetization direction of pinned layer (2025-05-13),
14. 12248040 - Magnetic sensor including magnetic detection element disposed on inclined surface (2025-03-11),
15. 12222409 - Inspection apparatus and method for inspecting magnetic sensor (2025-02-11),

Title: The Inventor Spotlight: Hiraku Hirabayashi

Introduction:

Meet Hiraku Hirabayashi, a prolific inventor based in Tokyo, JP, with an impressive portfolio of 127 patents to his name. His innovative contributions in the field of magnetic sensors, operation processing apparatus, angle sensors, and power steering apparatus have significantly impacted the industry.

Latest Patents:

Hiraku Hirabayashi's recent inventions include a groundbreaking Magnetic Sensor, characterized by its unique design featuring insulating layers, coil elements, and inclined surfaces for enhanced functionality. Additionally, his Operation Processing Apparatus, Angle Sensor, and Power Steering Apparatus showcase his expertise in developing cutting-edge technology for various applications.

Career Highlights:

Throughout his career, Hiraku Hirabayashi has made significant strides in the industry, having worked with reputed companies such as TDK Corporation and Asahi Kasei Microdevices Corporation. His dedication to research and development has led to the creation of innovative solutions that push the boundaries of technological advancement.

Collaborations:

Hiraku Hirabayashi has collaborated with talented individuals in the field, including Kazuya Watanabe and Keisuke Uchida. Together, they have worked on projects that have revolutionized the way we perceive and utilize sensor technology in different devices and systems.

Conclusion:

In conclusion, Hiraku Hirabayashi's inventive spirit and dedication to advancing technology make him a prominent figure in the world of innovation. His contributions continue to inspire and drive progress in various industries, shaping 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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