Chiba, Japan

Noboru Yamaguchi

This inventor holds 26 USPTO granted patents, primarily in Thermoplastic Resins. Top assignees: Sumitomo Chemical Company, Limited, Marubishi Oil Chemical Co., Ltd., Sanvic Incorporation. Active years: 1988-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Yamaguchi. Retrieved from https://idiyas.com/inventor/noboru-yamaguchi-vujzm4ho

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 = 4.7

ph-index = 8

Forward Citations = 178(Granted Patents)


Location History:

  • Ichihara, JP (1991 - 1998)
  • Chiba, JP (1988 - 2000)

Company Filing History:


Years Active: 1988-2000

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Areas of Expertise:
Impact-Resistant Polyester
Flame Retardant Thermoplastic
Thermoplastic Elastomer
Amorphous Resin
Polyamide Resin
Cationic Polymer
Ethylene Copolymer
Dyeable Composition
High-Strength Polypropylene
Reinforced Engineering Plastic
26 patents (USPTO):Explore Patents

Title: Noboru Yamaguchi: Innovator in Polyester Resin Technology

Introduction

Noboru Yamaguchi, based in Chiba, Japan, is a notable inventor renowned for his contributions to the field of polyester resin technology. With a total of 26 patents to his name, he has demonstrated a commitment to innovation that has significantly advanced material science.

Latest Patents

Among Yamaguchi's latest innovations are two impactful patents:

1. **Method for producing impact-resistant polyester resin compositions** - This patent describes a sophisticated process for creating polyester resin compositions with exceptional impact resistance. The method involves the melt kneading of various components, including saturated polyester resins and epoxy group-containing ethylene copolymers, ensuring high-performance materials suitable for diverse applications.

2. **Process for producing flame retardant thermoplastic polyester resin** - This innovative process focuses on developing flame-retardant thermoplastic resin compositions that maintain high mechanical properties while providing excellent flame resistance. The process includes a unique two-step approach, combining various components to achieve desirable performance in resin applications.

Career Highlights

Throughout his career, Noboru Yamaguchi has worked with prominent companies such as Sumitomo Chemical Company, Limited and Marubishi Oil Chemical Co., Ltd. His roles in these organizations have allowed him to bridge theoretical research with practical industrial applications, driving advancements in resin technologies.

Collaborations

Yamaguchi has collaborated with esteemed colleagues including Tadayuki Ohmae and Kentaro Mashita. These partnerships have facilitated the exchange of ideas and expertise, contributing to the successful development of innovative polymer materials.

Conclusion

Noboru Yamaguchi's substantial patent portfolio and his work with leading chemical companies underscore his status as a pioneer in polyester resin technology. His innovations not only enhance material performance but also pave the way for future advancements in the field, reinforcing the importance of continuous research and development in material sciences.

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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