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For the Inventor, By the Inventor

Minoo, Japan

Sei Nakazawa

This inventor holds 1 USPTO granted patent. Top assignee: Osaka Soda Co., Ltd.. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sei Nakazawa. Retrieved from https://idiyas.com/inventor/sei-nakazawa

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

Calculating rank
USPTO Granted Patents = 1

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:

goldMedal1 out of 61 
 
Osaka Soda Co., Ltd.
 patents

Years Active: 1989

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1 patent (USPTO):Explore Patents
1. 4822838 - Curable chlorinated polyethylene and copolyethylene composition (1989-04-18),

Title: Sei Nakazawa and His Patent in Polymer Compositions.

Introduction

Sei Nakazawa is an inventor associated with Minoo, Japan. His patent work includes a composition designed for curing chlorinated polyethylene and copolyethylene.

Latest Patents

Nakazawa is credited with 1 patent: “Curable Chlorinated Polyethylene and Copolyethylene Composition.” The patent describes a curable composition comprising chlorinated polyethylene and copolyethylene.

Career Highlights

Nakazawa is associated with Osaka Soda Co., Ltd. His patent reflects work on polymer materials and curable compositions.

Collaborations

His listed coworkers include Junichi Watanabe and Kozo Misumi.

Conclusion

Sei Nakazawa’s recorded patent highlights his contribution to research on curable polyethylene compositions and his association with Osaka Soda Co., Ltd.

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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