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.

USPTO Granted Patents = 109

% Patents Active = 96.3

EPO Patents = 1 (Patent Applications = 1)

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:

108 out of 5,989

Shin-Etsu Chemical Co., Ltd.

Bayer Aktiengesellschaft

patents

4. 1 out of 216

Kumiai Chemical Industry Co., Ltd.

patents

5. 1 out of 38,723

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):Sort by Forward CitationsExplore 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.