This inventor holds 2 USPTO granted patents. Top assignee: Nippon Paint Compnay, Ltd.. Active years: 1988-1991.
Company Filing History:
Years Active: 1988-1991
Title: Syuhei Numata: Innovator in Polyurethane Coatings
Introduction
Syuhei Numata is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of polyurethane coatings, holding 2 patents that showcase his innovative approach to material science.
Latest Patents
Numata's latest patents focus on a two-component polyurethane coating. This coating consists of a principal component (A) that includes a hydroxyl group containing film-forming resin, crosslinked polymer particles, and a solvent. The hardener component (B) comprises a polyisocyanate compound. The innovation lies in the use of composite resin particles, which consist of a particulate crosslinked polymer core and linear polymer chains. These chains are coupled with the core through chemical bonding or semi-interpenetration. The solid weight ratio of the hydroxyl group containing film-forming resin to the composite resin particles ranges from 99/1 to 40/60. Additionally, the equivalent ratio of isocyanate groups in the hardener component to hydroxyl groups in the principal component is maintained between 0.5 to 2.0. This coating composition is recognized for its excellent dispersion stability, application characteristics, and drying fastness, resulting in a superior coating.
Career Highlights
Syuhei Numata is associated with Nippon Paint Company, Ltd., where he continues to develop innovative coating solutions. His work has significantly impacted the industry, particularly in enhancing the performance of polyurethane coatings.
Collaborations
Numata has collaborated with notable coworkers, including Masanori Ohiwa and Tadafumi Miyazono. Their combined expertise has contributed to the advancement of coating technologies.
Conclusion
Syuhei Numata's contributions to polyurethane coatings exemplify the spirit of innovation in material science. His patents reflect a commitment to improving coating performance and application, making a lasting impact in the industry.