This inventor holds 1 USPTO granted patent. Top assignee: Dic Corporation. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Ryohei Shimizu: Inventor of a Silicone Chain-Containing Polymer
Introduction
Ryohei Shimizu is an inventor associated with Ichihara, Japan, and Dic Corporation. His patent work concerns polymer technology for improving the smoothness and surface quality of coating films.
Latest Patents
Shimizu is credited with 1 patent: “Silicone Chain-Containing Polymer and Coating Composition Containing Said Polymer.” The invention describes a polymer designed to function as a leveling agent, helping produce a highly smooth coating film without creating surface defects. It features a silicone chain at one terminal, with a number-average molecular weight of 2,000 to 20,000, and contains no polymerizable unsaturated group.
Career Highlights
The patent reflects Shimizu’s work on coating compositions and polymer design. Its stated objective is to improve coating-film smoothness while avoiding defects on the film’s surface.
Collaborations
Shimizu’s listed coworkers include Masaki Hatase and Junpei Ueno. The available information associates his patent work with Dic Corporation.
Conclusion
Ryohei Shimizu’s documented invention focuses on a silicone chain-containing polymer intended to support smooth, defect-free coating films.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile