Tokyo, Japan

Nobutoshi Iwata

This inventor holds 2 USPTO granted patents. Top assignees: Nippon Steel Chemical Co., Ltd., Sumitomo Chemical Company, Limited. Active years: 1985-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobutoshi Iwata. Retrieved from https://idiyas.com/inventor/nobutoshi-iwata

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 = 3.1

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Tokyo, JP (1985)
  • Kawasaki, JP (1988)

Company Filing History:


Years Active: 1985-1988

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2 patents (USPTO):Explore Patents

Title: Nobutoshi Iwata: Innovator in Polystyrene Compositions

Introduction

Nobutoshi Iwata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of advanced polystyrene compositions. With a total of 2 patents, his work has had a lasting impact on the industry.

Latest Patents

Iwata's latest patents focus on innovative polystyrene compositions. One notable invention involves styrene polymer and copolymer compositions that incorporate both glycerin fatty acid monoester-alkylene oxide adducts and glycerin fatty acid monoesters as antistatic agents. This combination produces prolonged antistatic effects that remain unaffected by water washing, demonstrating a resistivity of 109 - 1010 Ω. Importantly, these compositions maintain the transparency and mechanical strengths inherent in styrene polymers and copolymers.

Career Highlights

Throughout his career, Nobutoshi Iwata has worked with leading companies in the chemical industry. He has been associated with Nippon Steel Chemical Co., Ltd. and Sumitomo Chemical Company, Limited. His expertise in polymer chemistry has allowed him to develop innovative solutions that address industry challenges.

Collaborations

Iwata has collaborated with notable colleagues in his field, including Kiyoshi Fukushima and Shinji Fujino. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Nobutoshi Iwata's contributions to the field of polymer chemistry, particularly in polystyrene compositions, highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to creating effective solutions that enhance product performance.

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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