Patents by Inventor Yukihiro Taniguchi

Yukihiro Taniguchi 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).

  • Photo-setting resist composition, a process for producing a printed circuit board by using the composition, and a printed circuit board obtained by using the composition
    Patent number: 5268255
    Abstract: A printed circuit board has a resist layer made from a photo-setting resist composition containing:(A) a polyfunctional unsaturated compound which is solid at room temperature,(B) a polyfunctional unsaturated compound which is liquid at room temperature,(C) a photopolymerization initiator,(D) an epoxy resin,(E) at least one member selected from the group consisting of:(i) a curing agent for the epoxy resin and either melamine or the derivative thereof, and(ii) a compound having a 2,4-diamino-s-triazine ring and an imidazole ring in the molecule.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: December 7, 1993
    Assignee: Hitachi, Ltd.
    Inventors: Hiroshi Kikuchi, Makio Watanabe, Shinichiro Imabayashi, Reiko Yano, Isamu Tanaka, Hitoshi Oka, Yukihiro Taniguchi, Shigeru Fujita