Patents Assigned to YASUO TOMITA
  • Holographic recording material composition
    Publication number: 20050068594
    Abstract: The present invention provides a holographic recording material composition used for storing optical information as a spatial variation of refractive index, comprising: (a) a compound having at least one polymerizable functional group; (b) a photopolymerization initiator, and (c) colloidal silica particles having an average particle diameter of from 4 to 30 nm.
    Type: Application
    Filed: March 24, 2004
    Publication date: March 31, 2005
    Applicants: NISSAN CHEMICAL INDUSTRIES, LTD., YASUO TOMITA
    Inventors: Yasuo Tomita, Naoaki Suzuki