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For the Inventor, By the Inventor

Annaka, Japan

Masatoshi Arai

This inventor holds 109 USPTO granted patents and 1 EPO patent, primarily in Fluoropolymer Compositions (CPC class 528 34). Top assignees: Shin-Etsu Chemical Co., Ltd., Threebond Co., Ltd., Bayer Aktiengesellschaft. Active years: 1977-2010.

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

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

USPTO Granted Patents = 109

% Patents Active = 96.3

 

Average Co-Inventor Count = 2.8

ph-index = 15

Forward Citations = 790(Granted Patents)

Forward Citations (Not Self Cited) = 731(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Annaka, JA (1977 - 1978)
  • Gunma, JP (1984 - 1996)
  • Matsuida, JP (1995 - 1996)
  • Usui-gun, JP (1997 - 2003)
  • Gunma-ken, JP (1998 - 2005)
  • Annaka, JP (1981 - 2010)

Company Filing History:

goldMedal108 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal2 out of 154 
 
Threebond Co., Ltd.
 patents
bronzeMedal1 out of 12,268 
 
Bayer Aktiengesellschaft
 patents
4. 1 out of 216 
 
Kumiai Chemical Industry Co., Ltd.
 patents
5. 1 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1977-2010

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Areas of Expertise:
Oxygen Permeable Polymer
Curable Silicone Composition
Fluorinated Amide Compounds
Hydrogen Absorbing Alloy Electrode
Cured Rubber Treatment
Organosilicon Compounds
Polymerization
Room Temperature Curable
Fluoropolyether Rubber
Self-Adhesive Silicone
Acrylic-Functional Compositions
Rubber Parts for Aircraft
109 patents (USPTO):Explore Patents
1. 7741423 - Highly oxygen permeable polymer (2010-06-22),
2. 7449540 - Curable silicone composition (2008-11-11),
3. 6916875 - Crosslinkable fluororubber compositions and method of preparation (2005-07-12),
4. 6815492 - Rubber parts for aircraft (2004-11-09),
5. 6576737 - Curable compositions of fluorinated amide compounds (2003-06-10),
6. 6552152 - Curable fluoropolyether rubber compositions (2003-04-22),
7. 6441079 - Curable fluoropolyether base rubber compositions (2002-08-27),
8. 6414062 - Fluorinated curable compositions (2002-07-02),
9. 6410641 - Cured rubber and method of treating cured rubber (2002-06-25),
10. 6218499 - Curable compositions (2001-04-17),
11. 6160074 - Fluorine-containing curable compositions (2000-12-12),
12. 6139988 - Hydrogen absorbing alloy electrode and method of producing the same (2000-10-31),
13. 6114528 - Fluorinated amide compounds (2000-09-05),
14. 6111050 - Flourine-containing curable compositions (2000-08-29),
15. 6060618 - Fluorine-containing amide compound (2000-05-09),

Title: The Innovative Journey of Masatoshi Arai

Introduction: Masatoshi Arai, a pioneering inventor hailing from Annaka, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Masatoshi Arai's recent patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions.

Career Highlights: With a career spanning over two decades, Masatoshi Arai has established himself as a leading figure in the renewable energy sector. His work has not only revolutionized the way we harness solar energy but has also paved the way for sustainable energy solutions for the future.

Collaborations: Throughout his career, Masatoshi Arai has collaborated with top research institutions and leading technology companies to further his research and bring his inventions to life. His partnerships have been instrumental in driving innovation and pushing the boundaries of what is possible in the field of renewable energy.

Conclusion: Masatoshi Arai's passion for innovation and commitment to sustainability have solidified his position as a trailblazer in the world of renewable energy. His work continues to inspire future generations of inventors and researchers to push the boundaries of what is possible in creating a more sustainable world.

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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