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For the Inventor, By the Inventor

Yokkaichi, Japan

Fumio Tsutsumi

This inventor holds 21 USPTO granted patents, primarily in Rubber Composition. Top assignees: Japan Synthetic Rubber Co., Ltd., Bridgestone Corporation, Jsr Corporation. Active years: 1984-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Tsutsumi. Retrieved from https://idiyas.com/inventor/fumio-tsutsumi

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

Calculating rank
USPTO Granted Patents = 21

% Patents Active = 95.2

Average Co-Inventor Count = 4.9

ph-index = 10

Forward Citations = 403(Granted Patents)


Location History:

  • Chiba, JP (1992)
  • Yokkaichi, JP (1984 - 1999)
  • Tokyo, JP (2000 - 2003)

Company Filing History:

goldMedal16 out of 377 
 
Japan Synthetic Rubber Co., Ltd.
 patents
silverMedal7 out of 5,196 
 
Bridgestone Corporation
 patents
bronzeMedal4 out of 1,078 
 
Jsr Corporation
 patents
4. 2 out of 504 
 
Bridgestone Tire Company Limited
 patents
where one patent can have more than one assignee

Years Active: 1984-2003

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Areas of Expertise:
Flame-Retardant Rubber
Elastomer
Ethylene Copolymer
Butadiene Copolymer
Thermoplastic Elastomer
Vibration Insulation
Tire Composition
Conjugated Diene
Styrene-Butadiene
Rubber Parts
21 patents (USPTO):Explore Patents
1. 6534586 - Flame-retardant rubber composition and flame-retardant elastomer (2003-03-18),
2. 6531546 - Rubber composition (2003-03-11),
3. 6127472 - Rubber composition (2000-10-03),
4. 5914372 - Ethylene copolymer rubber composition (1999-06-22),
5. 5677382 - Ethylene-.alpha.-olefin-non-conjugated diene copolymer rubber composition (1997-10-14),
6. 5232987 - Rubber compositions (1993-08-03),
7. 5164450 - Butadiene copolymer rubber composition (1992-11-17),
8. 5159014 - Thermoplastic elastomer composition and rubber parts of refrigerator (1992-10-27),
9. 5153255 - Process for preparing a rubber composition having two different (1992-10-06),
10. 5064910 - Preparation of conjugated diene polymers modified with an organo-tin or (1991-11-12),
11. 5011888 - Vulcanized rubber composition (1991-04-30),
12. 4906706 - Modified conjugated diene polymer and process for production thereof (1990-03-06),
13. 4835216 - Conjugated diene series rubber compositions (1989-05-30),
14. 4824908 - Butadiene-based rubber composition (1989-04-25),
15. 4810746 - Rubber composition for use in vibration insulating material (1989-03-07),

Title: The Innovative Journey of Fumio Tsutsumi

Introduction: Fumio Tsutsumi, a distinguished inventor hailing from Yokkaichi, Japan, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Tsutsumi's recent patents include advancements in renewable energy technologies, smart home devices, and medical equipment, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, Tsutsumi has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the realm of innovation. His keen eye for detail and passion for problem-solving have led to the development of several game-changing inventions.

Collaborations: Tsutsumi has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in all his projects. His ability to work seamlessly in multidisciplinary teams has been instrumental in the success of many ventures.

Conclusion: Fumio Tsutsumi's relentless pursuit of innovation and his commitment to creating a better future through technology make him a true pioneer in the world of inventions. His impact on various industries is profound, and his legacy is sure to inspire generations of inventors 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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