Chiba, Japan

Yasuhito Okumura

This inventor holds 4 USPTO granted patents. Top assignee: Japan Corn Starch Co., Ltd. Active years: 1997-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhito Okumura. Retrieved from https://idiyas.com/inventor/yasuhito-okumura

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 = 4.4

ph-index = 4

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1997-1998

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4 patents (USPTO):Explore Patents

Title: Yasuhito Okumura: Innovator in Starch-Polymer Alloys

Introduction

Yasuhito Okumura is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of polymer science, particularly in the development of starch-based materials. With a total of 4 patents to his name, Okumura's work focuses on enhancing the properties of starch for practical applications.

Latest Patents

One of Okumura's latest innovations is the polyester-grafted starch-polymer alloy. This alloy is designed to provide practical flexibility and toughness to moldings with minimal or no plasticizer. The composition includes a blend of polyester-grafted starch and an independent polyester, which are uniformly mixed to achieve desired properties. Another significant patent is the esterified, polyvinyl ester-grafted starch. This starch derivative, when used with little or no plasticizer, results in moldings that exhibit excellent flexibility, toughness, and water-related properties. The polyvinyl ester used in this innovation is derived from various aliphatic and aromatic carboxylic acids.

Career Highlights

Yasuhito Okumura is currently associated with Japan Corn Starch Co., Ltd. His work at this company has allowed him to explore and develop innovative materials that leverage the unique properties of starch. His research has implications for various industries, including packaging and biodegradable materials.

Collaborations

Okumura has collaborated with notable colleagues, including Hideyuki Tanaka and Hiroshi Tanaka. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Yasuhito Okumura stands out as an influential inventor in the realm of starch-based innovations. His contributions to polymer science, particularly through his recent patents, highlight the potential of starch in creating sustainable and practical materials.

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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