Nagoya, Japan

Katumi Nakavishi

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katumi Nakavishi. Retrieved from https://idiyas.com/inventor/katumi-nakavishi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 16(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: The Innovations of Katumi Nakavishi

Katumi Nakavishi is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of friction materials, particularly with his innovative approach to non-asbestos friction members. His work addresses the challenges associated with traditional asbestos materials, providing safer alternatives for various applications.

Latest Patents

Katumi Nakavishi holds a patent for a friction member of non-asbestos. This invention includes a clutch facing, a brake pad, or a brake lining that comprises a phenolic fiber, a plated organic fiber, and/or a mixed fiber thereof. The design may also incorporate other fibers, such as nonorganic fibers, as the base material. This innovation aims to improve upon the various difficulties associated with asbestos, making it a valuable advancement in the industry.

Career Highlights

Throughout his career, Nakavishi has focused on developing safer and more effective materials for automotive and industrial applications. His dedication to innovation has led to the creation of products that enhance performance while prioritizing safety and environmental concerns.

Collaborations

Katumi Nakavishi has worked alongside talented individuals such as Ryoichi Tomikawa and Yasunobu Yamamoto. Their collaborative efforts have contributed to the advancement of technology in the field of friction materials.

Conclusion

In summary, Katumi Nakavishi is a pioneering inventor whose work in non-asbestos friction members has made a significant impact on safety and performance in various applications. His contributions continue to influence the industry positively.

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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