Shizuoka, Japan

Noriyuki Sugiyama

This inventor holds 5 USPTO granted patents. Top assignee: Polyplastics Co., Ltd.. Active years: 1990-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noriyuki Sugiyama. Retrieved from https://idiyas.com/inventor/noriyuki-sugiyama-3blncc84

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 = 1.9

ph-index = 4

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1990-1999

Loading Chart...
5 patents (USPTO):Explore Patents

Title: Noriyuki Sugiyama: Innovations in Polyoxymethylene Compositions.

Introduction

Noriyuki Sugiyama is an inventor based in Shizuoka, Japan, whose work includes innovations in polyoxymethylene materials. He is associated with Polyplastics Co., Ltd. and has 5 patents.

Latest Patents

Sugiyama’s recent patent work focuses on improving the stability and processing performance of polyoxymethylene compositions.

“Polyoxymethylene compositions” describes a formulation designed to reduce mold fouling, discoloration during molten-state residence, and formic acid generation while improving moldability. The composition combines a sterically hindered phenolic antioxidant, a polyamide, selected magnesium or calcium compounds, and a boron compound.

“Polyoxymethylene composition and molded article thereof” concerns compositions with improved heat stability and fewer mold deposits during molding. The disclosed blend includes polyoxymethylene resin, an antioxidant, a melamine-formaldehyde polycondensate, and selected metallic compounds. The resulting materials are intended for molded parts used in electrical and electronic equipment, where reducing formic acid-related malfunctions is beneficial.

Career Highlights

Sugiyama’s listed patent contributions address practical challenges in polymer processing, including heat stability, mold cleanliness, discoloration, and acid generation. These improvements can support the manufacture of more reliable molded components.

Collaborations

Sugiyama’s listed coworkers include Hiroko Iizuka and Hiroyuki Hase. His work is associated with Polyplastics Co., Ltd.

Conclusion

Noriyuki Sugiyama’s patent work centers on refining polyoxymethylene compositions to improve processing and performance, particularly for molded electrical and electronic components.

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]
Loading…