Patents by Inventor Sadaaki Kato

Sadaaki Kato 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).

  • Resin composition, method for manufacturing semiconductor device using resin composition, and solid-state imaging element
    Patent number: 10808150
    Abstract: A resin composition comprising (a) an acrylic polymer, (b) a compound having at least one (meth)acryloyl group and (c) a polymerization initiator, in which the absolute value of refractive index difference between the component (a) an acrylic polymer and the component (b) having at least one (meth)acryloyl group at 100° C. is 0.031 or less.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: October 20, 2020
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Sadaaki Kato, Mika Kimura, Aya Ikeda, Shinjiro Fujii