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For the Inventor, By the Inventor

Ichihara, Japan

Masaaki Kawasaki

This inventor holds 59 USPTO granted patents and 2 EPO patents, primarily in Rubber Compositions (CPC class 5261). Top assignees: Mitsui Chemicals, Inc., Mitsui Petrochemical Industries, Ltd., The Lubrizol Corporation. Active years: 1990-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaaki Kawasaki. Retrieved from https://idiyas.com/inventor/masaaki-kawasaki

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 = 86.4


Average Co-Inventor Count = 4.9

ph-index = 17

Forward Citations = 1,144(Granted Patents)

Forward Citations (Not Self Cited) = 1,121(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hiroshima, JP (1992)
  • Kuga, JP (1994 - 1995)
  • Waki, JP (1991 - 1996)
  • Yamaguchi, JP (1990 - 1998)
  • Kuga-gun, JP (1999)
  • Waki-cho, JP (1998 - 2005)
  • Chiba, JP (2002 - 2006)
  • Ichihara, JP (1997 - 2013)

Company Filing History:

goldMedal31 out of 1,817 
 
Mitsui Chemicals, Inc.
 patents
silverMedal26 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
bronzeMedal2 out of 1,317 
 
The Lubrizol Corporation
 patents
4. 1 out of 297 
 
Nippon Oil Fats Co., Ltd.
 patents
5. 1 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
6. 2 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2013

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Areas of Expertise:
Rubber Compositions
Crosslinkable Rubber
Thermoplastic Elastomers
Lubricating Oils
Polyolefin Rubber
Vulcanized Rubber
Extrusion Molding
Heat-Resistant Rubber
Propylene Polymers
Ethylene Copolymers
Foam Processable Rubber
Internal Combustion Engine Oil
59 patents (USPTO):Explore Patents
1. 8410035 - Viscosity modifier of lubricating oil for power transmission system and lubricating oil composition for power transmission system (2013-04-02),
2. 7906560 - Vulcanized rubber molded product, method of producing the same, and use of the molded product (2011-03-15),
3. 7622433 - Lubricating oil composition and internal combustion engine oil (2009-11-24),
4. 7208548 - Crosslinkable rubber compositions and uses thereof (2007-04-24),
5. 7176269 - Curable composition and its use (2007-02-13),
6. 7015292 - Silicon-containing olefin copolymer, crosslinkable rubber composition thereof, and use thereof (2006-03-21),
7. 6943220 - Rubber compositions and their uses (2005-09-13),
8. 6930152 - Propylene polymer compositions (2005-08-16),
9. 6864315 - Crosslinkable rubber compositions and use thereof (2005-03-08),
10. 6838522 - Propylene polymer compositions (2005-01-04),
11. 6787623 - Unconjugated cyclopolyene copolymer, rubber composition, and use (2004-09-07),
12. 6784255 - Rubber composition for extrusion molding and for molding with mold and use thereof (2004-08-31),
13. 6743862 - Crosslinkable rubber compositions and uses thereof (2004-06-01),
14. 6723794 - Olefin thermoplastic elastomer composition comprising crystalline polyolefin resin and ethylene/&agr;-olefin/nonconjugated polyene copolymer rubber (2004-04-20),
15. 6635727 - Ethylene copolymer rubber, process for producing the same, and use (2003-10-21),

Title: The Innovative Journey of Masaaki Kawasaki

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

Latest Patents: Masaaki Kawasaki'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, Masaaki Kawasaki has established himself as a leading figure in the tech industry, holding numerous patents in areas such as sustainable energy, robotics, and artificial intelligence.

Collaborations: Throughout his career, Masaaki Kawasaki has collaborated with top research institutions and leading tech companies to bring his inventions to life. His partnerships have led to the development of cutting-edge technologies that have revolutionized various industries.

Conclusion: Masaaki Kawasaki's relentless pursuit of innovation and his passion for creating a sustainable future have solidified his position as a visionary inventor. His contributions continue to inspire the next generation of inventors and shape the technological landscape for years to come.

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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