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For the Inventor, By the Inventor

Gunma, Japan

Shoji Akiyama

This inventor holds 103 USPTO granted patents and 23 published patent applications and 49 EPO patents, primarily in Composite Substrate Manufacturing (CPC class H01L21-76254). Top assignees: Shin-Etsu Chemical Co., Ltd., Shin-Etsu Handotai Co., Ltd., Cusic Inc.. Active years: 2001-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoji Akiyama. Retrieved from https://idiyas.com/inventor/shoji-akiyama

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

USPTO Granted Patents = 103 

% Patents Active = 81.6

 

Average Co-Inventor Count = 2.9

ph-index = 13

Forward Citations = 738(Granted Patents)

Forward Citations (Not Self Cited) = 708(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Brighton, MA (US) (2003 - 2008)
  • Gunma-ken, JP (2001 - 2013)
  • Annaka, JP (2001 - 2022)
  • Gunma, JP (2002 - 2023)

Company Filing History:

goldMedal76 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal18 out of 1,099 
 
Shin-Etsu Handotai Co., Ltd.
 patents
bronzeMedal7 out of 8 
 
Cusic Inc.
 patents
4. 7 out of 8,586 
 
Massachusetts Institute of Technology
 patents
5. 1 out of 1,765 
 
National Institute of Advanced Industrial Science and Technology
 patents
6. 1 out of 42 
 
Shin-Etsu Chemical C O., Ltd.
 patents
7. 1 out of 152 
 
Shin-Etsu Chemical Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2001-2026

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Areas of Expertise:
Composite Substrate
Surface Acoustic Wave Device
Silicon Carbide Substrate
Oxide Single-Crystal Film
Compound Semiconductor
Hybrid Substrate
Laminated Wafer
Heat Dissipation
EUV Pellicle
SOS Substrate
Nanocarbon Film
Thickness Reduction
103 patents (USPTO):Explore Patents
1. 12676589 - Composite substrate (2026-07-07),
2. 12451854 - Method for manufacturing composite substrate (2025-10-21),
3. 12424434 - Composite substrate and production method therefor (2025-09-23),
4. 12136907 - Composite substrate for surface acoustic wave device and manufacturing method thereof (2024-11-05),
5. 11804818 - Method of manufacturing composite substrate (2023-10-31),
6. 11800805 - Composite substrate, surface acoustic wave device, and method for manufacturing composite substrate (2023-10-24),
7. 11606073 - Method of producing composite substrate for surface acoustic wave device (2023-03-14),
8. 11346018 - Silicon carbide substrate production method and silicon carbide substrate (2022-05-31),
9. 11245377 - Composite substrate and method of manufacturing composite substrate (2022-02-08),
10. 11208719 - SiC composite substrate and method for manufacturing same (2021-12-28),
11. 11195987 - Method for producing composite wafer having oxide single-crystal film (2021-12-07),
12. 11177123 - Compound semiconductor laminate substrate, method for manufacturing same, and semiconductor element (2021-11-16),
13. 11128277 - Method for producing composite wafer (2021-09-21),
14. 10971674 - Method for producing composite wafer having oxide single-crystal film (2021-04-06),
15. 10886890 - Composite substrate for surface acoustic wave device, method of producing composite substrate for surface acoustic wave device, and surface acoustic wave device using composite substrate (2021-01-05),

Title: The Innovative Journey of Inventor Shoji Akiyama

Introduction: Shoji Akiyama, a pioneering inventor hailing from Gunma, Japan, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Shoji Akiyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: Throughout his illustrious career, Shoji Akiyama has been recognized for his inventive spirit and problem-solving abilities. His inventions have revolutionized industries and improved the lives of many around the world.

Collaborations: Shoji Akiyama has collaborated with leading research institutions, universities, and tech companies to further develop and implement his innovative ideas. His partnerships have been instrumental in bringing his inventions to the market.

Conclusion: In conclusion, Shoji Akiyama stands as a beacon of innovation in the world of technology, with a legacy that continues to inspire future generations of inventors and innovators.

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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