Tokyo, Japan

Nobutsugu Namba

This inventor holds 2 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: Asahi Kasei Chemicals Corporation, Asahi Kasei Kabushiki Kaisha. Active years: 2004-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobutsugu Namba. Retrieved from https://idiyas.com/inventor/nobutsugu-namba

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Kurashiki, JP (2004)
  • Tokyo, JP (2014)

Company Filing History:


Years Active: 2004-2014

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2 patents (USPTO):Explore Patents

Title: Nobutsugu Namba: Innovator in Polycarbonate Technology

Introduction

Nobutsugu Namba is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of polycarbonate technology, holding a total of 2 patents. His work focuses on developing advanced materials that have practical applications in various industries.

Latest Patents

Namba's latest patents include a branched polycarbonate, which features a unique branching derived from a polyfunctional compound. This innovative material comprises a repeating unit represented by a specific general formula, along with branched structures that enhance its properties. Another notable patent is a polycarbonate resin composition designed for the production of substrates for optical information mediums. These inventions showcase his expertise in creating high-performance materials.

Career Highlights

Throughout his career, Nobutsugu Namba has worked with leading companies in the chemical industry, including Asahi Kasei Kabushiki Kaisha and Asahi Kasei Chemicals Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in polycarbonate technology.

Collaborations

Namba has collaborated with various professionals in his field, including his coworker Hiroshi Hachiya. These partnerships have facilitated the exchange of ideas and fostered innovation in their projects.

Conclusion

Nobutsugu Namba is a distinguished inventor whose work in polycarbonate technology has led to significant advancements in material science. His patents reflect his commitment to innovation and his impact on 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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