Shizuoka, Japan

Nobuyuki Matsunaga

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignee: Polyplastics Co., Ltd.. Active years: 1989-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuyuki Matsunaga. Retrieved from https://idiyas.com/inventor/nobuyuki-matsunaga

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 = 100.0

Average Co-Inventor Count = 2.4

ph-index = 4

Forward Citations = 65(Granted Patents)


Location History:

  • Shizuoka, JP (1992 - 1996)
  • Fuji, JP (1989 - 1998)

Company Filing History:


Years Active: 1989-1998

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9 patents (USPTO):Explore Patents

Title: Nobuyuki Matsunaga: Innovator in Polyacetal Resin Technology

Introduction

Nobuyuki Matsunaga is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyacetal resin compositions. With a total of 9 patents to his name, Matsunaga's work has had a considerable impact on the industry.

Latest Patents

One of his latest patents focuses on polyacetal resin compositions that exhibit excellent weather and environmental resistance. These compositions are designed to suppress resin deterioration, discoloration, and cracking caused by additive bleeding during prolonged exposure to light. The innovative blend includes 100 parts by weight of a polyacetal resin, along with specific amounts of an acrylic resin, an oxyalkylene polymer with chains of 2 to 8 consecutive carbon atoms, a UV absorber, and two types of hindered amine compounds with different molecular weights.

Career Highlights

Matsunaga is associated with Polyplastics Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His expertise in polyacetal resin technology has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Matsunaga has collaborated with notable colleagues, including Toshihiko Endo and Toru Katsumata. These partnerships have fostered innovation and contributed to the success of their projects.

Conclusion

Nobuyuki Matsunaga's contributions to polyacetal resin technology highlight his role as a leading inventor in the field. His innovative patents and collaborations continue to influence advancements in materials science.

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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