This inventor holds 1 USPTO granted patent. Top assignee: Dai Nippon Printing. 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: Koji Moriyama: Inventor of a Durable Decorative Material
Introduction
Koji Moriyama is an inventor based in Tokyo, Japan, associated with Dai Nippon Printing. His listed patent concerns a decorative sheet and decorative material designed for exterior applications.
Latest Patents
Moriyama is credited with 1 patent: “Decorative sheet and decorative material.” The invention describes a layered decorative sheet with a polyolefin-containing substrate, a design layer, a transparent polyolefin-containing resin layer, and a surface protective layer. The protective layer contains cured resin and three ultraviolet absorbers, each with an absorption peak at a progressively longer wavelength. This layered design addresses the construction and protection of decorative sheets for exterior materials.
Career Highlights
The available information identifies Moriyama’s work with Dai Nippon Printing and documents his contribution to decorative materials through this patent. The invention combines polyolefin-based layers with a protective coating containing multiple UV absorbers.
Collaborations
Mayuko Komurasaki and Yuki Kumagai are listed as Moriyama’s coworkers. The provided information does not specify their roles in the patent or whether they collaborated on this invention.
Conclusion
Koji Moriyama’s documented patent contribution focuses on a layered decorative sheet for exterior materials, combining polyolefin components and UV-protective features.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile