Patents by Inventor Kenji Hirano

Kenji Hirano 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).

  • Patent number: 5028495
    Abstract: A composite foil brazing material for joining ceramics to each other or to metal, which is made up of a core of Ti and outer layers of Ni or Ni alloy containing less than 80% of Cu, with the core and the composite foil having the respective sectional areas whose ratio is 5/10 to 9/10.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: July 2, 1991
    Assignee: Sumitomo Special Metal Co., Ltd.
    Inventors: Kenji Hirano, Minoru Suenaga, Masaaki Ishio