Patents by Inventor Toyo Ohtsuki

Toyo Ohtsuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process For Producing Optical Multilayer Film Filter And Optical Multilayer Film Filter
    Publication number: 20080124465
    Abstract: The present invention relates to a process for producing an optical multilayer film filter comprising the steps of forming a resin layer on a substrate; forming a multilayer film on the resin layer; and detaching the multilayer film from an interface with the resin layer.
    Type: Application
    Filed: December 22, 2005
    Publication date: May 29, 2008
    Applicant: Central Glass Company, Limited
    Inventors: Yoshikazu Yamaguchi, Masaaki Yonekura, Toyo Ohtsuki