Kurashiki, Japan

Keishi Hachiya

This inventor holds 2 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents. Top assignee: Kuraray Co., Ltd.. Active years: 2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keishi Hachiya. Retrieved from https://idiyas.com/inventor/keishi-hachiya

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

USPTO Granted Patents = 2 

% Patents Active = 100.0


 

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2017

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2 patents (USPTO):Explore Patents

Title: Keishi Hachiya: Innovator in Polyvinyl Alcohol Technology

Introduction

Keishi Hachiya is a notable inventor based in Kurashiki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of modified polyvinyl alcohol (PVA) products. With a total of 2 patents, Hachiya's work has advanced the applications of PVA in various industries.

Latest Patents

Hachiya's latest patents include innovations in modified polyvinyl alcohol. One patent describes a modified polyvinyl alcohol that contains 0.1 to 10 mol % of a specific monomer unit, resulting in an aqueous solution that foams less and exhibits excellent film strength and gas barrier properties under high humidity conditions. This modified PVA also maintains excellent water solubility. Another patent focuses on a vinyl alcohol polymer that possesses a unique balance of water solubility, thickening properties, and coating film strength, ensuring superior storage stability in aqueous solutions.

Career Highlights

Hachiya is currently employed at Kuraray Co., Ltd., a leading company in the production of specialty chemicals and advanced materials. His work at Kuraray has allowed him to explore innovative solutions in polymer technology, contributing to the company's reputation for excellence in the field.

Collaborations

Hachiya has collaborated with notable colleagues, including Masaki Kato and Tatsuya Tanida. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in polymer science.

Conclusion

Keishi Hachiya's contributions to the field of polyvinyl alcohol technology highlight his innovative spirit and dedication to advancing polymer chemistry. His patents reflect a commitment to improving material properties for various applications, making him a significant figure in the industry.

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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