Patents by Inventor Kazumasa OTA

Kazumasa OTA 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).

  • EPOXY RESIN COMPOSITION, CURED PRODUCT, AND ELECTRICAL/ELECTRONIC COMPONENT
    Publication number: 20230002543
    Abstract: An epoxy resin composition (A), having an epoxy resin represented by formula (1): and an epoxy resin represented by formula (2): where R1 is a linear aliphatic hydrocarbon group having 1 to 6 carbon atoms, and n is an integer of 0 or 1. An epoxy resin composition (B), having 100 parts by weight of the epoxy resin composition (A) and 0.01 to 1,000 parts by weight of a curing agent.
    Type: Application
    Filed: August 25, 2022
    Publication date: January 5, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Kazumasa OTA
  • EPOXY RESIN COMPOSITION, CURED PRODUCT, AND ELECTRICAL OR ELECTRONIC COMPONENT
    Publication number: 20220145067
    Abstract: An epoxy resin composition (A), containing an epoxy resin having a structure represented by formula (1) described below and an epoxy resin having a structure represented by formula (2) described below and/or an epoxy resin having a structure represented by formula (3) described below. 89.0% to 99.9% by mass of the epoxy resin (1) and 0.1% to 11.0% by mass of the epoxy resin (2) and/or the epoxy resin (3) are contained in 100% by mass of a total of the epoxy resin (1) and the epoxy resin (2) and/or the epoxy resin (3).
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Kazumasa OTA