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For the Inventor, By the Inventor

Tokyo, Japan

Ryuji Yamamoto

This inventor holds 56 USPTO granted patents and 18 published patent applications and 9 EPO patents, primarily in Semiconductor Manufacturing (CPC class H01L). Top assignees: Showa Denko K.k., Hitachi-Kokusai Electric Inc., Kokusai Electric Corporation. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryuji Yamamoto. Retrieved from https://idiyas.com/inventor/ryuji-yamamoto

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

USPTO Granted Patents = 56 

% Patents Active = 75.0

 

Average Co-Inventor Count = 2.8

ph-index = 10

Forward Citations = 327(Granted Patents)

Forward Citations (Not Self Cited) = 285(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (2005)
  • Kanagawa, JP (2004 - 2013)
  • Futtsu, JP (2015)
  • Kadaira, JP (2016)
  • Minato-ku, JP (2016)
  • Toyama, JP (2016 - 2018)
  • Tokyo, JP (2010 - 2021)
  • Kodaira, JP (2011 - 2024)

Company Filing History:

goldMedal21 out of 1,961 
 
Showa Denko K.k.
 patents
silverMedal20 out of 1,258 
 
Hitachi-Kokusai Electric Inc.
 patents
bronzeMedal5 out of 699 
 
Kokusai Electric Corporation
 patents
4. 4 out of 3,721 
 
Nippon Steel Corporation
 patents
5. 4 out of 1,799 
 
Sony Computer Entertainment Inc.
 patents
6. 2 out of 58,147 
 
Sony Corporation
 patents
7. 1 out of 1,766 
 
National Institute of Advanced Industrial Science and Technology
 patents
8. 1 out of 1,102 
 
Nippon Steel Sumitomo Metal Corporation
 patents
9. 1 out of 405 
 
Showa Denko Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 2004-2026

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Areas of Expertise:
Semiconductor Device
Substrate Processing
Lithium Battery
Carbon Fibers
Manufacturing Method
Cleaning Method
Cooling Apparatus
Vapor Grown Carbon Fiber
Composite Carbon Fibers
Resin Composition
Electrode
Information Processing
56 patents (USPTO):Explore Patents
1. 12525450 - Method of processing substrate, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2026-01-13),
2. 12331393 - Method of processing substrate, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2025-06-17),
3. 12037677 - Method of manufacturing semiconductor device, substrate processing method, substrate processing apparatus, and recording medium (2024-07-16),
4. 11145505 - Method of manufacturing semiconductor device, substrate processing method, substrate processing apparatus, and recording medium (2021-10-12),
5. 11028473 - Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2021-06-08),
6. 10084190 - Lithium secondary battery and conductive assistant used in same (2018-09-25),
7. 10066298 - Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2018-09-04),
8. 9978587 - Method of manufacturing semiconductor device including forming a film containing a first element, a second element and carbon, substrate processing apparatus, and recording medium (2018-05-22),
9. 9890458 - Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2018-02-13),
10. 9865458 - Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2018-01-09),
11. 9741556 - Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2017-08-22),
12. 9640387 - Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2017-05-02),
13. 9613798 - Method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2017-04-04),
14. 9587308 - Cleaning method, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium (2017-03-07),
15. 9558937 - Method of manufacturing semiconductor device, substrate processing apparatus, and non-transitory computer-readable recording medium (2017-01-31),

Title: The Innovative Mind of Ryuji Yamamoto

Introduction: Ryuji Yamamoto, a visionary inventor hailing from Tokyo, Japan, is renowned for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ryuji Yamamoto holds several patents in the realm of artificial intelligence and robotics, showcasing his dedication to pushing the boundaries of what is possible in these cutting-edge fields.

Career Highlights: With a career spanning over two decades, Ryuji Yamamoto has worked with some of the leading tech companies in Japan, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Ryuji Yamamoto has collaborated with top researchers and engineers from prestigious universities and research institutions in Japan, fostering a culture of innovation and excellence in all his projects.

Conclusion: Ryuji Yamamoto's relentless pursuit of innovation and his passion for creating technology that enhances our lives make him a true pioneer in the world of inventions. His work continues to inspire future generations of inventors and innovators worldwide.

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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