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For the Inventor, By the Inventor

Kodaira, Japan

Noriyuki Sakuma

This inventor holds 59 USPTO granted patents and 16 published patent applications and 7 EPO patents, primarily in Sensor Technology (CPC class G01P). Top assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd., Renesas Technology Corp.. Active years: 1987-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriyuki Sakuma. Retrieved from https://idiyas.com/inventor/noriyuki-sakuma

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

USPTO Granted Patents = 59 

% Patents Active = 67.8

 

Average Co-Inventor Count = 3.0

ph-index = 13

Forward Citations = 500(Granted Patents)

Forward Citations (Not Self Cited) = 469(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Musashino, JP (2006)
  • Hachioji, JP (1987 - 2007)
  • Hachiouji, JP (2000 - 2009)
  • Kodaira, JP (2008 - 2016)
  • Tokyo, JP (1990 - 2023)

Company Filing History:

goldMedal33 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal8 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
bronzeMedal8 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 5 out of 1,386 
 
Hitachi High-Tech Corporation
 patents
5. 2 out of 1,413 
 
Yokogawa Electric Corporation
 patents
6. 1 out of 1,458 
 
Elpida Memory, Inc.
 patents
7. 2 out of 834,513 
Other
 patents

Years Active: 1987-2026

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Areas of Expertise:
Fuel Cell
Acceleration Sensor
Inertia Sensor
Thermal Fluid Flow Sensor
MEMS Sensor
Polishing Method
Semiconductor Device
Manufacturing Method
Leak Detection
Seismic Prospecting
Data Acquisition
Fabrication Equipment
59 patents (USPTO):Explore Patents
1. 12738520 - Fuel battery cell and fuel battery module (2026-09-15),
2. 12646734 - Fuel cell array and fuel cell inspection method (2026-06-02),
3. 12620604 - Fuel cell and method for producing same (2026-05-05),
4. 11855318 - Fuel battery cell, fuel battery system, leak detection method (2023-12-26),
5. 11417892 - Fuel cell (2022-08-16),
6. 10989733 - Acceleration sensor, geophone, and seismic prospecting system (2021-04-27),
7. 10935566 - Acceleration sensor (2021-03-02),
8. 10802041 - Acceleration sensor (2020-10-13),
9. 10802040 - Acceleration sensor (2020-10-13),
10. 10739376 - Acceleration sensor (2020-08-11),
11. 10697995 - Acceleration sensor including improved mass body (2020-06-30),
12. 10527643 - Inertia sensor with improved detection sensitivity using servo voltage to detect a physical quantity (2020-01-07),
13. 10527642 - Acceleration sensor (2020-01-07),
14. 10502758 - Inertia sensor and method of manufacturing the same (2019-12-10),
15. 10393557 - Thermal fluid flow sensor (2019-08-27),

Title: Noriyuki Sakuma: Pioneering Innovations in Fuel Cell Technology

Introduction: Noriyuki Sakuma, a distinguished inventor hailing from Kodaira, Japan, has made significant strides in the realm of technology with an impressive portfolio of 56 patents. His latest patents focus on enhancing the reliability and efficiency of fuel cell systems, showcasing his commitment to advancing clean energy solutions.

Latest Patents: One of his groundbreaking patents includes a fuel battery system designed to accurately detect leaks in fuel and air electrodes, thereby improving system reliability. Another notable invention is a highly reliable fuel cell that boosts power generation efficiency while reducing the risk of damage to electrodes and electrolyte films.

Career Highlights: Noriyuki Sakuma has made invaluable contributions during his tenure at esteemed companies such as Hitachi, Ltd., and Renesas Technology Corp. His innovative spirit and expertise have paved the way for advancements in fuel cell technology, setting new industry standards.

Collaborations: Throughout his career, Noriyuki Sakuma has collaborated with talented individuals like Yoshio Homma and Seiichi Kondo. These partnerships have fostered creativity and knowledge-sharing, leading to the development of cutting-edge solutions in the field of clean energy.

Conclusion: Noriyuki Sakuma's unwavering dedication to innovation and his remarkable achievements in fuel cell technology solidify his position as a trailblazer in the industry. His work will undoubtedly inspire future generations of inventors and continue to drive progress in sustainable energy solutions.

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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