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For the Inventor, By the Inventor

Tokyo, Japan

Masahiro Sumiya

This inventor holds 45 USPTO granted patents and 14 published patent applications, primarily in Plasma Processing. Top assignees: Hitachi High-Tech Corporation, Hitachi-High-Technologies Corporation, Hitachi, Ltd.. Active years: 1999-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Sumiya. Retrieved from https://idiyas.com/inventor/masahiro-sumiya

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

USPTO Granted Patents = 45 

% Patents Active = 84.4

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 200(Granted Patents)


Location History:

  • Kudamatsu, JP (1999 - 2009)
  • Hikari, JP (2009 - 2018)
  • Tokyo, JP (2018 - 2024)

Company Filing History:

goldMedal26 out of 1,386 
 
Hitachi High-Tech Corporation
 patents
silverMedal15 out of 2,874 
 
Hitachi-High-Technologies Corporation
 patents
bronzeMedal4 out of 42,731 
 
Hitachi, Ltd.
 patents

Years Active: 1999-2026

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Areas of Expertise:
Plasma Processing
Semiconductor Manufacturing
Diagnostic Device
High Frequency Power Source
Dry Etching Method
Data Analysis Apparatus
Sample Release Method
Condition Prediction
45 patents (USPTO):Explore Patents
1. 12651732 - Apparatus diagnostic apparatus, semiconductor manufacturing apparatus system, and semiconductor apparatus manufacturing system (2026-06-09),
2. 12573593 - Plasma processing method (2026-03-10),
3. 12564002 - Diagnostic device, semiconductor manufacturing equipment system, semiconductor equipment manufacturing system, and diagnostic method (2026-02-24),
4. 12530023 - Apparatus diagnostic system, apparatus diagnostic apparatus, semiconductor device manufacturing system, and apparatus diagnostic method (2026-01-20),
5. 12494348 - Plasma processing apparatus and member of plasma processing chamber (2025-12-09),
6. 12444591 - Diagnosis device, diagnosis method, plasma processing apparatus, and semiconductor device manufacturing system (2025-10-14),
7. 12387921 - Apparatus diagnostic apparatus, apparatus diagnostic method, plasma processing apparatus and semiconductor device manufacturing system (2025-08-12),
8. 12368031 - Plasma processing method (2025-07-22),
9. 12191121 - Plasma processing apparatus (2025-01-07),
10. 12154765 - Plasma processing apparatus and plasma processing method (2024-11-26),
11. 12148633 - Plasma processing apparatus and method for releasing sample (2024-11-19),
12. 12112925 - Plasma processing apparatus (2024-10-08),
13. 12080529 - Plasma processing apparatus and prediction method of the condition of plasma processing apparatus (2024-09-03),
14. 12050455 - State prediction apparatus and semiconductor manufacturing apparatus (2024-07-30),
15. 12040167 - Diagnosis apparatus, plasma processing apparatus and diagnosis method (2024-07-16),

Title: The Innovative Journey of Masahiro Sumiya

Introduction:

Masahiro Sumiya, a pioneering inventor hailing from Tokyo, Japan, has made significant contributions to the world of technology through his groundbreaking innovations and patents.

Latest Patents:

Sumiya's latest patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions. His innovative designs have garnered attention for their efficiency and sustainability.

Career Highlights:

With a career spanning over two decades, Sumiya has established himself as a leading figure in the tech industry. His early work in semiconductor technology laid the foundation for his later groundbreaking inventions in the renewable energy sector.

Collaborations:

Throughout his career, Sumiya has collaborated with top research institutions and leading tech companies to bring his inventions to life. His partnerships have been instrumental in turning his visionary ideas into tangible products that have revolutionized the industry.

Conclusion:

Masahiro Sumiya's relentless pursuit of innovation and his commitment to creating a more sustainable future have solidified his position as a trailblazing inventor in the global tech landscape. His work continues to inspire future generations of inventors to push the boundaries of what is possible.

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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