Annaka, Japan

Shigehisa Sonegawa

This inventor holds 3 USPTO granted patents. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 1990-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigehisa Sonegawa. Retrieved from https://idiyas.com/inventor/shigehisa-sonegawa

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 = 3.5

ph-index = 2

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1990-1992

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3 patents (USPTO):Explore Patents

Title: Shigehisa Sonegawa: Innovator in Fluororubber Technology

Introduction

Shigehisa Sonegawa is a notable inventor based in Annaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of fluororubber technologies. With a total of 3 patents to his name, Sonegawa's work has had a lasting impact on various applications.

Latest Patents

Sonegawa's latest patents include a process for preparing a fluororubber graft copolymer. This innovative process involves graft-copolymerizing a fluororubber with at least one organosilicon compound, enhancing the material's properties. Another notable patent is for a coated eyeglasses frame member, which maintains its aesthetic appearance and close fit over long periods of service. This member features a cured coating of fluorine-containing silicone, showcasing Sonegawa's expertise in creating durable and functional materials.

Career Highlights

Sonegawa has spent a significant portion of his career at Shin-Etsu Chemical Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His work has not only contributed to the company's success but has also pushed the boundaries of what is possible in the field of fluororubber applications.

Collaborations

Throughout his career, Sonegawa has collaborated with talented individuals such as Hiroki Konno and Yasushi Yamamoto. These partnerships have fostered innovation and have led to the successful development of new technologies.

Conclusion

Shigehisa Sonegawa is a distinguished inventor whose work in fluororubber technology has made a significant impact. His patents reflect a commitment to innovation and excellence in materials science.

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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