Yokohama, Japan

Kumiko Kohtaki

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Zeon Company, Ltd.. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kumiko Kohtaki. Retrieved from https://idiyas.com/inventor/kumiko-kohtaki

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 = 4.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Kumiko Kohtaki: Innovator in Rubber Composition

Introduction

Kumiko Kohtaki is a prominent inventor based in Yokohama, Japan. She has made significant contributions to the field of materials science, particularly in the development of rubber compositions. Her innovative work has led to advancements that enhance the performance of vulcanized rubber.

Latest Patents

Kumiko Kohtaki holds a patent for a rubber composition that is capable of producing vulcanized rubber with improved rebound and elongation at break. This composition is essential for various applications where durability and flexibility are critical.

Career Highlights

Kumiko is associated with Nippon Zeon Company, Ltd., where she has been instrumental in research and development. Her expertise in rubber technology has positioned her as a key figure in her organization.

Collaborations

Throughout her career, Kumiko has collaborated with notable colleagues, including Hiroyuki Watanabe and Kohkichi Noguchi. These partnerships have fostered innovation and have contributed to the success of her projects.

Conclusion

Kumiko Kohtaki's work in rubber composition exemplifies the impact of innovative thinking in material science. Her contributions continue to influence the industry and pave the way for future advancements.

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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