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For the Inventor, By the Inventor

Isesaki, Japan

Tomonobu Koseki

This inventor holds 30 USPTO granted patents and 6 published patent applications and 5 EPO patents, primarily in Electric Motor Control. Top assignees: Hitachi Automotive Systems, Ltd., Hitachi, Ltd., Hitachi Astemo Ltd.. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonobu Koseki. Retrieved from https://idiyas.com/inventor/tomonobu-koseki

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

USPTO Granted Patents = 30 

% Patents Active = 86.7

 

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 78(Granted Patents)


Location History:

  • Ibaraki, JP (2018)
  • Isesaki, JP (2014 - 2020)
  • Hitachinaka, JP (2005 - 2022)

Company Filing History:

goldMedal24 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
silverMedal4 out of 42,731 
 
Hitachi, Ltd.
 patents
bronzeMedal2 out of 1,495 
 
Hitachi Astemo Ltd.
 patents

Years Active: 2005-2025

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Areas of Expertise:
Signal Processing
Electric Motor
Drive Controller
Power Converter
Electronic Control Unit
Phase Detection Circuit
Feedback Control
Electric Power Steering
Motor Driving Device
Control Method
Electric Brake System
Vehicle Driving System
30 patents (USPTO):Explore Patents
1. 12334947 - Signal processing device and control method for signal processing device (2025-06-17),
2. 11323058 - Drive controller for electric motor (2022-05-03),
3. 10994769 - Electronic control unit and diagnostic method therefor (2021-05-04),
4. 10840842 - Motor driving device and method for measuring phase current in motor driving device (2020-11-17),
5. 10787193 - Drive control device and control method for electric motor (2020-09-29),
6. 10700627 - Power converter and electric power steering apparatus (2020-06-30),
7. 10562563 - Device and method for controlling electric motor (2020-02-18),
8. 10421482 - Electronic control unit and control method for the same (2019-09-24),
9. 10404202 - Electronic control device and control method thereof (2019-09-03),
10. 10374531 - Motor control device and electric power steering system using said motor drive circuit (2019-08-06),
11. 10363957 - Device and method for controlling electric motor (2019-07-30),
12. 10246126 - Feedback control apparatus, electrically driven power steering apparatus (2019-04-02),
13. 10243503 - Drive controller and drive control method for electric motor (2019-03-26),
14. 10218302 - Controller and control method for electric motor (2019-02-26),
15. 10097129 - Drive controller and drive control method for electric motor (2018-10-09),

Title: Tomonobu Koseki: Pioneering Inventor from Isesaki

Introduction: Tomonobu Koseki is a renowned inventor hailing from Isesaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tomonobu Koseki 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, Koseki has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the realm of invention. His innovative spirit and dedication to progress have earned him a reputation as a trailblazer in the industry.

Collaborations: Throughout his career, Tomonobu Koseki has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence. His ability to work effectively in multidisciplinary teams has led to the development of cutting-edge technologies that have revolutionized various sectors.

Conclusion: In conclusion, Tomonobu Koseki's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor, inspiring the next generation of innovators to push the boundaries of what is possible.

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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