Patents by Inventor Kiyosumi Takayasu

Kiyosumi Takayasu 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).

  • Insoluble lead or lead alloy electrode
    Patent number: 4568484
    Abstract: Disclosed herein is an insoluble lead or lead alloy electrode adapted for electroplating and having a power supply hanger of a high electroconductive material. The electrode plate includes a clad member as a base metal, which is coated with a film of a high corrosion resistance metal at whole surface thereof, and a build-up layer of lead or the lead alloy on one surface of the clad member.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: February 4, 1986
    Inventor: Kiyosumi Takayasu
  • Process for welding of noble metal foil
    Patent number: 4291216
    Abstract: A process for welding of noble metal foil includes successively piling a noble metal foil and a thin metal sheet having a high electrical resistance on a side of a metal plate having a high corrosion resistance and a high electrical conduction, mutually welding the foil, the sheet and the plate together and dissolving out only the thin metal thin sheet.
    Type: Grant
    Filed: April 12, 1979
    Date of Patent: September 22, 1981
    Inventor: Kiyosumi Takayasu