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For the Inventor, By the Inventor

Ichihara, Japan

Tadaaki Nishiyama

This inventor holds 9 USPTO granted patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1996-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadaaki Nishiyama. Retrieved from https://idiyas.com/inventor/tadaaki-nishiyama

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

USPTO Granted Patents = 9

% Patents Active = 66.7

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 68(Granted Patents)


Location History:

  • Chiba-ken, JP (1997)
  • Chiba, JP (2000 - 2001)
  • Ichihara, JP (1996 - 2005)

Company Filing History:

goldMedal9 out of 6,964 
 
Sumitomo Chemical Company, Limited
 patents

Years Active: 1996-2005

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9 patents (USPTO):Explore Patents
1. 6858676 - Olefin derived copolymer (2005-02-22),
2. 6632541 - Olefin-based copolymer composition (2003-10-14),
3. 6562907 - Olefin polymer and thermoplastic resin composition (2003-05-13),
4. 6541592 - Thermoplastic elastomer composition and ethylene-&agr;-olefin copolymer (2003-04-01),
5. 6525138 - Thermoplastic resin composition (2003-02-25),
6. 6288191 - Ethylene-isoprene random copolymer (2001-09-11),
7. 6084046 - Copolymer and copolymer composition (2000-07-04),
8. 5610226 - (Meth)acrylate copolymer and its elastomer compositions (1997-03-11),
9. 5516862 - Process for producing ethylene-alpha-olefin copolymer rubber (1996-05-14),

Title: Tadaaki Nishiyama: Innovator in Olefin Derived Copolymers

Introduction

Tadaaki Nishiyama is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of polymer science, particularly in the development of olefin derived copolymers. With a total of 9 patents to his name, Nishiyama's work has had a substantial impact on the industry.

Latest Patents

Nishiyama's latest patents include innovations related to olefin derived copolymers. One notable invention is a thermoplastic resin composition that utilizes an olefin derived copolymer. This composition meets specific criteria for tensile strength and elongation, making it suitable for various applications. Another significant patent involves an olefin-based copolymer composition that boasts excellent weather resistance and recycling properties. This composition is created by copolymerizing two or more olefins, selected from ethylene, propylene, and alpha olefins with 4 to 20 carbon atoms.

Career Highlights

Tadaaki Nishiyama is currently associated with Sumitomo Chemical Company, Limited, where he continues to innovate in the field of polymer technology. His work has not only advanced the understanding of copolymer compositions but has also contributed to the development of materials that are both functional and environmentally friendly.

Collaborations

Nishiyama has collaborated with notable colleagues, including Hirofumi Johoji and Hidetake Hozumi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tadaaki Nishiyama's contributions to the field of olefin derived copolymers exemplify the spirit of innovation. His patents reflect a commitment to advancing polymer technology and addressing the challenges of modern 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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