Patents by Inventor Mitsuhiro Omachi

Mitsuhiro Omachi 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).

  • Zinc-nickel alloy plating solution and plating method
    Patent number: 9644279
    Abstract: To provide a high-nickel plating bath which is weakly acidic and can stably form a plating film having a nickel content of 11 to 19% (preferably 12 to 18%) even at a current density of 3 A/dm2 or more. An acidic zinc-nickel alloy electroplating solution which contains an amine compound represented by the formula H2N—R1-R2 {wherein: R1 is [(CH2)M—NH]L or (CH2)N; R2 is H, NH2, or R3; R3 is an alkanol or alkoxyl group having 1, 2, 3, 4, or 5 carbon atoms; L is 2, 3, 4, or 5; M is 2, 3, 4, or 5; and N is 3, 4, or 5}.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: May 9, 2017
    Assignee: Nippon Hyomen Kagaku Kabushiki Kaisha
    Inventors: Mitsuhiro Omachi, Atsushi Kaneko, Satoshi Ito
  • ZINC-NICKEL ALLOY PLATING SOLUTION AND PLATING METHOD
    Publication number: 20160068984
    Abstract: To provide a high-nickel plating bath which is weakly acidic and can stably form a plating film having a nickel content of 11 to 19% (preferably 12 to 18%) even at a current density of 3 A/dm2 or more. An acidic zinc-nickel alloy electroplating solution which contains an amine compound represented by the formula H2N—R1-R2 {wherein: R1 is [(CH2)M—NH]L or (CH2)N; R2 is H, NH2, or R3; R3 is an alkanol or alkoxyl group having 1, 2, 3, 4, or 5 carbon atoms; L is 2, 3, 4, or 5; M is 2, 3, 4, or 5; and N is 3, 4, or 5}.
    Type: Application
    Filed: March 24, 2014
    Publication date: March 10, 2016
    Inventors: Mitsuhiro Omachi, Atsushi Kaneko, Satoshi Ito