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.

USPTO Granted Patents = 56 (Patent Applications = 18)

% Patents Active = 75.0

EPO Patents = 9 (Patent Applications = 6)

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:

Hitachi-Kokusai Electric Inc.

patents

5 out of 688

Kokusai Electric Corporation

patents

4. 4 out of 3,701

Nippon Steel Corporation

patents

5. 4 out of 1,799

Sony Computer Entertainment Inc.

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):Sort by Forward CitationsExplore 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.