Ichihara, Japan

Norihiko Nakagawa

This inventor holds 4 USPTO granted patents. Top assignee: Mitsui Chemicals, Inc.. Active years: 2001-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihiko Nakagawa. Retrieved from https://idiyas.com/inventor/norihiko-nakagawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 48(Granted Patents)


Company Filing History:


Years Active: 2001-2002

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4 patents (USPTO):Explore Patents

Title: Norihiko Nakagawa: Innovator in Polypropylene and Polyolefin Technologies

Introduction

Norihiko Nakagawa is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of materials science, particularly in the development of polypropylene and polyolefin technologies. With a total of 4 patents to his name, Nakagawa's work has had a substantial impact on various industrial applications.

Latest Patents

One of Nakagawa's latest patents is a polypropylene resin composition and non-stretched film thereof. This innovative composition is designed to produce a non-stretched film that excels in transparency, impact resistance, low-temperature heat-sealability, and heat-sealing strength. The composition includes a polypropylene resin, a specific ethylene/α-olefin random copolymer, and a specific propylene/ethylene/1-butene random copolymer.

Another notable patent is for a polyolefin synthetic pulp and its uses. This synthetic pulp consists of a polyolefin resin that is graft-modified with an unsaturated carboxylic acid or its derivative. It also includes a polyolefin resin composition that comprises an ethylene/α,β-unsaturated carboxylic acid copolymer and a polyethylene resin. The resulting polyolefin synthetic pulp demonstrates a large breaking length and excellent internal bond strength, making it suitable for applications such as battery separators, molding fiberboards, and heat sealing papers.

Career Highlights

Norihiko Nakagawa is currently employed at Mitsui Chemicals, Inc., where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of polypropylene and polyolefin products, contributing to the company's reputation as a leader in the chemical industry.

Collaborations

Throughout his career, Nakagawa has collaborated with notable colleagues, including Yasuo Tanaka and Naoto Yasaka. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Norihiko Nakagawa's contributions to the field of materials science, particularly through his patents in polypropylene and polyolefin technologies, highlight his role as a key innovator. His work not only enhances product performance but also paves the way for future advancements 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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