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For the Inventor, By the Inventor

Kawasaki, Japan

Yoshiyuki Utsumi

This inventor holds 71 USPTO granted patents and 1 EPO patent, primarily in Photoresist Technology (CPC class G03F). Top assignees: Tokyo Ohka Kogyo Co., Ltd., Central Glass Company, Limited, Daicel Corporation. Active years: 2010-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshiyuki Utsumi. Retrieved from https://idiyas.com/inventor/yoshiyuki-utsumi

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

USPTO Granted Patents = 71

% Patents Active = 100.0


Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 205(Granted Patents)

Forward Citations (Not Self Cited) = 191(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (2015)
  • Kawasaki, JP (2010 - 2018)

Company Filing History:

goldMedal70 out of 1,236 
 
Tokyo Ohka Kogyo Co., Ltd.
 patents
silverMedal1 out of 1,010 
 
Central Glass Company, Limited
 patents
bronzeMedal1 out of 695 
 
Daicel Corporation
 patents
4. 1 out of 7 
 
Daito Chemix Corporation
 patents
5. 1 out of 24 
 
San-Apro Limited
 patents
6. 1 out of 2 
 
Tokyo Ohka Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 2010-2018

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Areas of Expertise:
Photoresist Composition
Polymeric Compound
Resist Pattern
Acid Generator
Phase-Separated Structure
Radical Polymerization
Negative Resist
Positive-Type Photoresist
Fine Pattern Formation
Undercoat Agent
Ammonium Salt Compound
71 patents (USPTO):Explore Patents
1. 9862695 - Monomer having N-acyl carbamoyl group and lactone skeleton, and polymeric compound (2018-01-09),
2. 9778567 - Resist composition, method of forming resist pattern, polymeric compound, compound (2017-10-03),
3. 9644110 - Method of producing structure containing phase-separated structure and method of forming top coat film (2017-05-09),
4. 9618842 - Resist composition and method of forming resist pattern (2017-04-11),
5. 9606433 - Resist composition, method of forming resist pattern, polymeric compound and compound (2017-03-28),
6. 9567477 - Undercoat agent and method of producing structure containing phase-separated structure (2017-02-14),
7. 9499646 - Negative resist composition, method of forming resist pattern and complex (2016-11-22),
8. 9469712 - Method of producing polymeric compound, resist composition and method of forming resist pattern (2016-10-18),
9. 9442371 - Method of producing structure containing phase-separated structure, method of forming pattern and method of forming fine pattern (2016-09-13),
10. 9383642 - Polymerization method of high-molecular weight compound, resist composition, and method for forming resist pattern (2016-07-05),
11. 9366960 - Negative resist composition, method of forming resist pattern, and complex (2016-06-14),
12. 9354515 - Resist composition, acid generator, polymeric compound and method of forming resist pattern (2016-05-31),
13. 9244347 - Resist composition, compound, polymeric compound and method of forming resist pattern (2016-01-26),
14. 9206307 - Method of producing structure containing phase-separated structure, method of forming pattern and method of forming fine pattern (2015-12-08),
15. 9188869 - Method of producing structure containing phase-separation structure, method of forming pattern, and method of forming fine pattern (2015-11-17),

Title: The Innovative Journey of Yoshiyuki Utsumi

Introduction: Yoshiyuki Utsumi, a pioneering inventor hailing from Kawasaki, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Utsumi's recent patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Utsumi has established himself as a leading figure in the tech industry, holding multiple patents that have revolutionized various sectors. His dedication to pushing the boundaries of what is possible has earned him recognition worldwide.

Collaborations: Utsumi has collaborated with top research institutions, leading companies, and innovative startups to bring his ideas to life. His ability to work across disciplines and industries has led to the development of cutting-edge technologies with real-world applications.

Conclusion: Yoshiyuki Utsumi's passion for innovation, coupled with his technical expertise, has solidified his position as a trailblazer in the field of technology. His relentless pursuit of excellence continues to inspire future generations of inventors and entrepreneurs.

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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