Tokyo, Japan

Yuji Saito

This inventor holds 75 USPTO granted patents and 15 published patent applications and 6 EPO patents, primarily in Fuel Cell Technology (CPC class F28D). Top assignees: Fujikura Limited, Honda Motor Co., Ltd., Leland Stanford Junior University. Active years: 1981-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Saito. Retrieved from https://idiyas.com/inventor/yuji-saito

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

USPTO Granted Patents = 75 

% Patents Active = 61.3

 

Average Co-Inventor Count = 3.4

ph-index = 13

Forward Citations = 561(Granted Patents)

Forward Citations (Not Self Cited) = 550(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Asaka, JP (1997)
  • Narima, JP (2009)
  • Sendai, JP (2006 - 2010)
  • Palo Alto, CA (US) (2007 - 2010)
  • Mountain View, CA (US) (2010)
  • Narina-Ku, JP (2010)
  • Wako, JP (1998 - 2013)
  • Tokyo, JP (1981 - 2022)
  • Saitama, JP (1996 - 2024)

Company Filing History:

goldMedal23 out of 1,874 
 
Fujikura Limited
 patents
silverMedal17 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
bronzeMedal14 out of 5,509 
 
Leland Stanford Junior University
 patents
4. 12 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
5. 5 out of 58,145 
 
Sony Corporation
 patents
6. 4 out of 81 
 
Taisei Corporation
 patents
7. 3 out of 8,247 
 
Tdk Corporation
 patents
8. 3 out of 10,883 
 
Tokyo Electron Limited
 patents
9. 1 out of 166,325 
 
International Business Machines Corporation
 patents
10. 1 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
11. 1 out of 122 
 
Lixil Corporation
 patents
12. 1 out of 382 
 
Meiji Seika Kaisha, Ltd.
 patents
13. 1 out of 1,207 
 
Nifco Inc.
 patents
14. 1 out of 1,038 
 
Nippon Electric Co., Ltd.
 patents
15. 1 out of 1,041 
 
Osaka University
 patents
16. 1 out of 218 
 
Sato Holdings Kabushiki Kaisha
 patents
17. 1 out of 20 
 
School Juridical Person Kitasato Institute
 patents
18. 1 out of 264 
 
Sega Enterprises, Ltd.
 patents
19. 1 out of 116 
 
Shimizu Construction Co., Ltd.
 patents
20. 1 out of 55 
 
Shinmaywa Industries, Ltd.
 patents
21. 4 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-2025

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Areas of Expertise:
Fuel Cell
Heat Pipe
Semiconductor Device
Cooling Structure
Optical Transceiver
Biodegradation Method
Ride-Sharing Assist
Electrolyte Assembly
Vapor Chamber
Heat Spreading Module
Nanostructures Fabrication
Ultrasonic Mounting
75 patents (USPTO):Explore Patents

Title: Innovator Yuji Saito: A Pioneer in Ride-Sharing and Biodegradation Technologies

Introduction: Yuji Saito, located in Tokyo, Japan, is a prominent inventor with an impressive portfolio of 73 patents. His work spans diverse fields, focusing on innovative solutions for ride-sharing systems and environmental bioremediation. Saito's inventions are not only transformative but also hold significant potential for advancing technology and sustainability.

Latest Patents: Among his latest contributions is the "Vehicle Ride-Sharing Assist System," designed to enhance the efficiency of ride-sharing services. This system employs a terminal equipped with a user interface and processing unit, along with servers to manage action information and ride-sharing conditions. By analyzing user preferences, the system recommends optimal ride-sharing arrangements, significantly improving user experience.

Another notable patent is the "Biodegradation Treatment Method for Organic Compounds," which addresses environmental concerns through innovative bioremediation. Utilizing a special strain of bacteria, strain N23, the method effectively biodegrades organic compounds under controlled pH conditions. This invention presents a promising solution for treating environmental pollutants, demonstrating Saito’s commitment to sustainability.

Career Highlights: Saito's professional journey includes significant tenures at notable companies such as Fujikura Limited and Honda Motor Co., Ltd. His work in research and development has contributed to advancements in automotive technologies and environmental solutions.

Collaborations: Throughout his career, Yuji Saito has collaborated with talented individuals such as Masataka Mochizuki and Friedrich B. Prinz. Their collective expertise has fostered innovative thinking and has played a vital role in the success of many of Saito’s projects.

Conclusion: Yuji Saito’s contributions to the fields of ride-sharing technology and environmental science underscore his role as an influential inventor. With a rich portfolio of patents, he continues to drive innovation and address critical challenges, making a lasting impact on society through his work.

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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