This inventor holds 2 USPTO granted patents. Top assignee: Toyo Ink Manufacturing Company. Active years: 1993-1994.
Company Filing History:
Years Active: 1993-1994
Title: Mituo Umezawa: Innovator in Water-Based Coating Technologies
Introduction
Mituo Umezawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of water-based coating compositions, holding 2 patents that showcase his innovative approach to environmentally friendly materials.
Latest Patents
Umezawa's latest patents include a curing agent-free water-based coating composition. This composition boasts excellent shelf stability and can be cured through ordinary baking without the need for a sulfonic acid-containing acid catalyst. The resulting coating exhibits outstanding adhesion and water resistance. The formulation involves dissolving or dispersing a water-soluble polyester resin, which is prepared by polycondensing a specific carboxylic acid component and a glycol component.
Another notable patent is a water-based coating composition designed to withstand heat treatment for food sterilization, particularly during retorting processes. This composition is characterized by its high hardness against scratching and its ability to maintain processability for various can forms, all while minimizing organic solvent content. The resin components include a water-based acrylic resin, a water-based amino resin, and an amine-modified epoxy resin.
Career Highlights
Mituo Umezawa is currently employed at Toyo Ink Manufacturing Company, where he continues to develop innovative coating solutions. His work has significantly impacted the industry, particularly in creating sustainable and efficient products.
Collaborations
Umezawa collaborates with talented coworkers, including Masashi Nakamura and Katunori Katamoto, who contribute to the advancement of their projects and innovations.
Conclusion
Mituo Umezawa's contributions to water-based coating technologies reflect his commitment to innovation and sustainability. His patents demonstrate a forward-thinking approach that benefits both the industry and the environment.