Chiba, Japan

Kizuku Wakatsuki

This inventor holds 21 USPTO granted patents, plus 1 CIPO patent, primarily in Polymer Chemistry. Top assignees: Sumitomo Chemical Company, Limited, Sumitomo Rubber Industries Limited. Active years: 1982-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kizuku Wakatsuki. Retrieved from https://idiyas.com/inventor/kizuku-wakatsuki

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


% Patents Active = 100.0

 

Average Co-Inventor Count = 3.7

ph-index = 7

Forward Citations = 148(Granted Patents)


Location History:

  • Takatsuki, JP (1989)
  • Osaka, JP (1990 - 1991)
  • Ichihara, JP (1982 - 1997)
  • Chiba, JP (1985 - 2000)

Company Filing History:


Years Active: 1982-2000

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Areas of Expertise:
Rubber Composition
Ethylene-Alpha-Olefin Copolymer
Butadiene Copolymer
Polypropylene Fiber
Resinous Composition
Polyolefin Production
Catalyst System
High-Strength Film
Crystalline Polymer
Tire Tread
Polypropylene Sheet
Multilayer Film
21 patents (USPTO):Explore Patents

Title: Kizuku Wakatsuki: Innovator in Rubber Composition Technology

Introduction

Kizuku Wakatsuki, based in Chiba, Japan, is a prominent inventor known for his significant contributions to rubber composition technology. With a total of 21 patents to his name, he has played a vital role in enhancing the performance and efficiency of rubber materials.

Latest Patents

Among his latest innovations is a rubber composition obtained by kneading a mixture that comprises 100 parts by weight of solution polymerized diene rubber, alongside 5-100 parts by weight of silica, 1-15 parts by weight of a silane coupling agent, and 1-20 parts by weight of an organic silicon compound. This composition is kneaded under a temperature of 200°C or less, providing excellent wear resistance, productivity, and lower rolling resistance. It is particularly useful for automobile tires. Another noteworthy rubber composition he developed is one that is obtainable by kneading a similar mixture at a maximum temperature between about 120°C to about 170°C, aimed at improving rubber material properties.

Career Highlights

Kizuku has had a fruitful career with significant tenure at reputable companies such as Sumitomo Chemical Company, Limited and Sumitomo Rubber Industries Limited. His experience in these organizations has enabled him to collaborate on various innovative projects that capitalize on his expertise in rubber technologies.

Collaborations

Throughout his career, Kizuku has worked alongside notable colleagues such as Keisaku Yamamoto and Masahiro Kakugo. Their teamwork and shared vision have contributed to the advancement of rubber composition and its applications within the automotive industry.

Conclusion

Kizuku Wakatsuki continues to be an influential figure in rubber composition innovation. His extensive patents reflect his commitment to improving materials used in various industries, underlining the importance of innovative thinking in the field of rubber technology. As he looks toward the future, his contributions will undoubtedly influence the next generation of inventors and researchers in the field.

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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