Yatsushiro, Japan

Sigeyosi Koyabu

This inventor holds 1 USPTO granted patent. Top assignee: Kohjin Co., Ltd.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sigeyosi Koyabu. Retrieved from https://idiyas.com/inventor/sigeyosi-koyabu

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 = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Sigeyosi Koyabu: Innovator in Antistatic Resin Composition

Introduction

Sigeyosi Koyabu is a notable inventor based in Yatsushiro, Japan. He has made significant contributions to the field of materials science, particularly in the development of antistatic resin compositions. His innovative work has led to advancements that enhance the functionality and usability of various products.

Latest Patents

Koyabu holds a patent for an antistatic resin composition. This composition is prepared by dissolving at least one of lithium nitrate and lithium chloride in either cold or hot water. A molten surface active agent is then added, and the mixture is blended with a molten thermoplastic resin, either before or after cooling and solidification. The resulting composition is highly antistatic and produces a film with a high degree of transparency. This innovation has practical applications in industries where static electricity control is essential.

Career Highlights

Koyabu is associated with Kohjin Co., Ltd., where he has been able to apply his expertise in materials science. His work at the company has allowed him to focus on developing advanced materials that meet the needs of modern technology. His dedication to innovation has positioned him as a key figure in his field.

Collaborations

Koyabu has collaborated with talented individuals such as Naoya Yamaguchi and Tomoji Mizutani. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Sigeyosi Koyabu's contributions to the field of antistatic materials demonstrate his commitment to innovation and excellence. His patent for an antistatic resin composition showcases his ability to solve complex problems in materials science. Koyabu's work continues 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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