Patents by Inventor Yoshiyuki KAMEGAWA

Yoshiyuki KAMEGAWA 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).

  • Publication number: 20200040477
    Abstract: The present invention provides a plating solution containing chromium sulfate and formic acid at a concentration of Cr3+ ions of 0.1 mol/L or more and 1 mol/L or less and a concentration of formic acid of 0.05 mol/L or more and 0.2 mol/L or less.
    Type: Application
    Filed: August 25, 2017
    Publication date: February 6, 2020
    Inventors: Hidemi NAWAFUNE, Hiroshi NISHIWAKI, Toshikazu MURATA, Hidehiro YOSHIOKA, Yoshiyuki KAMEGAWA