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Chiba, Japan

Fumiyasu Utsunomiya

This inventor holds 76 USPTO granted patents and 9 published patent applications and 1 EPO patent, primarily in Electronic Circuits (CPC class H02M). Top assignees: Seiko Instruments Inc, Ablic Inc., The Ritsumeikan Trust. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiyasu Utsunomiya. Retrieved from https://idiyas.com/inventor/fumiyasu-utsunomiya

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

USPTO Granted Patents = 76 

% Patents Active = 72.4

 

Average Co-Inventor Count = 1.6

ph-index = 10

Forward Citations = 515(Granted Patents)

Forward Citations (Not Self Cited) = 492(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Chiba, JP (1999 - 2022)
  • Tokyo, JP (2021 - 2024)

Company Filing History:

goldMedal41 out of 2,903 
 
Seiko Instruments Inc
 patents
silverMedal24 out of 348 
 
Ablic Inc.
 patents
bronzeMedal8 out of 62 
 
The Ritsumeikan Trust
 patents
4. 7 out of 163 
 
Sii Semiconductor Corporation
 patents
5. 3 out of 11 
 
Seiko Group Corporation
 patents
6. 3 out of 18 
 
Seiko Instruments R & D Center Inc.
 patents
7. 1 out of 4 
 
Seiko Holdings Kabushiki Kaisha
 patents
8. 1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1999-2026

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Areas of Expertise:
Current Detection Circuit
Power Generation Sensor
Boost Circuit
Optical Sensor
Voltage Regulator
Battery-Less Sensor
Clock Signal Boost
Photoelectric Conversion
Proximity Sensor
Device Identification
Infrared Detector
Light Receiving Circuit
76 patents (USPTO):Explore Patents
1. 12689234 - Signal processing device and search method (2026-07-21),
2. 12656295 - Ribbon-type electrode and ribbon-type sensor (2026-06-16),
3. 12529715 - Current detection circuit (2026-01-20),
4. 12411027 - Power generation sensor (2025-09-09),
5. 12401274 - Electronic device including boost circuit (2025-08-26),
6. 12255535 - Electronic device including boost circuit (2025-03-18),
7. 12245923 - Power generation sensor (2025-03-11),
8. 12032006 - Battery-less sensor circuit (2024-07-09),
9. 11855638 - Optical latch circuit and electronic device (2023-12-26),
10. 11848571 - Electronic circuit, module, and system for radio wave powered battery switch (2023-12-19),
11. 11632047 - Electronic circuit, module, and system (2023-04-18),
12. 11480464 - Optical sensor (2022-10-25),
13. 11329514 - Electronic circuit, module, and system (2022-05-10),
14. 11310971 - Plant cultivation system, controller, and plant cultivation method (2022-04-26),
15. 11249504 - Current generation circuit (2022-02-15),

Title: Fumiyasu Utsunomiya: Pioneering Innovations in Chiba, Japan

Introduction:

Fumiyasu Utsunomiya, a distinguished inventor based in Chiba, Japan, has made significant contributions to the field of technology with a remarkable portfolio of 68 patents. His innovative work, particularly in areas such as optical latch circuits and radio wave-powered battery switches, has garnered recognition in the industry.

Latest Patents:

One of his recent patents is the Optical Latch Circuit and Electronic Device, a cutting-edge invention that integrates a voltage detector, photovoltaic element, and feedback resistor to enhance circuit efficiency. Another notable creation is the Electronic Circuit, Module, and System for Radio Wave Powered Battery Switch, showcasing his expertise in utilizing weak radio waves for power generation.

Career Highlights:

Having worked at Seiko Instruments Inc. and Ablic Inc., Fumiyasu Utsunomiya has honed his skills and knowledge in the technology sector. His experiences in these renowned companies have undoubtedly played a pivotal role in shaping his innovative approach to problem-solving and patent development.

Collaborations:

Throughout his career, Fumiyasu Utsunomiya has collaborated closely with esteemed colleagues such as Yoshifumi Yoshida and Takakuni Douseki. Together, they have embarked on various projects, pushing the boundaries of technological advancements and fostering a culture of creativity and excellence.

Conclusion:

In conclusion, Fumiyasu Utsunomiya stands as a visionary inventor whose passion for innovation and relentless pursuit of excellence have resulted in numerous groundbreaking patents. His dedication to pushing the boundaries of technology continues to inspire and shape the landscape of the industry.

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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