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For the Inventor, By the Inventor

Kawasaki, Japan

Masatoshi Arai

This inventor holds 59 USPTO granted patents, plus 1 CIPO patent, primarily in Resist Composition (CPC class G03F). Top assignees: Tokyo Ohka Kogyo Co., Ltd., Fujitsu Corporation, Fuji Xerox Co., Ltd.. Active years: 1998-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Arai. Retrieved from https://idiyas.com/inventor/masatoshi-arai-gxwottvs

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

USPTO Granted Patents = 59

% Patents Active = 94.9


Average Co-Inventor Count = 3.1

ph-index = 9

Forward Citations = 270(Granted Patents)

Forward Citations (Not Self Cited) = 231(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (2001 - 2017)
  • Kawasaki, JP (1998 - 2023)

Company Filing History:

goldMedal44 out of 1,236 
 
Tokyo Ohka Kogyo Co., Ltd.
 patents
silverMedal11 out of 39,378 
 
Fujitsu Corporation
 patents
bronzeMedal2 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
4. 2 out of 30 
 
Tokyo Ohka Kogyo., Ltd.
 patents
5. 1 out of 1,766 
 
National Institute of Advanced Industrial Science and Technology
 patents
where one patent can have more than one assignee

Years Active: 1998-2026

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Areas of Expertise:
Resist Composition
Pattern Formation
Polymeric Compound
Acid Generator
Photo-Reactive Quencher
Developer Container
High-Molecular Weight Compound
Alternating Copolymer
Resist Pattern
Compound
59 patents (USPTO):Explore Patents
1. 12631962 - Resist composition and method for forming resist pattern (2026-05-19),
2. 12566376 - Resist composition and resist pattern forming method (2026-03-03),
3. 12498635 - Resist composition, method of forming resist pattern, and compound (2025-12-16),
4. 12449729 - Resist composition and method of forming resist pattern (2025-10-21),
5. 11829068 - Resist composition, method of forming resist pattern, compound, and resin (2023-11-28),
6. 11780946 - Alternating copolymer, method of producing alternating copolymer, method of producing polymeric compound, and method of forming resist pattern (2023-10-10),
7. 11754922 - Resist composition and method of forming resist pattern (2023-09-12),
8. 11747724 - Organically modified metal oxide nanoparticles, organically modified metal oxide nanoparticles-containing solution, organically modified metal oxide nanoparticles-containing resist composition, and resist pattern forming method (2023-09-05),
9. 11703756 - Resist composition and method of forming resist pattern (2023-07-18),
10. 11693316 - Resist composition and method of forming resist pattern (2023-07-04),
11. 11667605 - Resist composition, method of forming resist pattern, compound, acid generator, and method of producing compound (2023-06-06),
12. 11644751 - Resist composition and method of forming resist pattern (2023-05-09),
13. 11635687 - Resist composition and method of forming resist pattern (2023-04-25),
14. 11448963 - Resist composition and method of forming resist pattern (2022-09-20),
15. 11281099 - Resist composition, method of forming resist pattern, compound, acid generator, and method of producing compound (2022-03-22),

Title: The Innovative Journey of Masatoshi Arai

Introduction:

Masatoshi Arai, a pioneering inventor hailing from Kawasaki, Japan, has made significant contributions to the field of technology through his groundbreaking innovations and patents.

Latest Patents:

Masatoshi Arai's latest patents showcase his commitment to pushing the boundaries of technological advancement in areas such as robotics, artificial intelligence, and sustainable energy solutions.

Career Highlights:

With a career spanning over two decades, Masatoshi Arai has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has not only revolutionized industries but has also improved the quality of life for many around the world.

Collaborations:

Throughout his career, Masatoshi Arai has collaborated with leading tech companies, research institutions, and universities to further his research and bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many of his projects.

Conclusion:

In conclusion, Masatoshi Arai's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a respected inventor in the global tech community. His contributions continue to inspire future generations of inventors to think outside the box and strive for excellence in their work.

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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