Patents by Inventor Kenji Kasegawa

Kenji Kasegawa 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).

  • Copper-tin-oxygen alloy plating
    Patent number: 7867625
    Abstract: The present invention relates to a Cu—Sn—O alloy plating having an oxygen content of 0.3 to 50 at %, a copper content of 20 to 80 at %, and a tin content of 10 to 70 at % in the plating. The present invention provides a copper tin alloy plating that has excellent plating adhesion and disengaging force stability and particularly a Cu—Sn—O alloy plating that has a blackish color tone without containing any controlled substances.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: January 11, 2011
    Assignees: Nihon New Chrome Co., Ltd., YKK Snap Fasteners Japan Co., Ltd.
    Inventors: Kazuya Urata, Kazuhito Kitagawa, Yukio Ogawa, Kenji Kasegawa
  • COPPER-TIN-OXYGEN ALLOY PLATING
    Publication number: 20080257745
    Abstract: The present invention relates to a Cu—Sn—O alloy plating having an oxygen content of 0.3 to 50 at %, a copper content of 20 to 80 at %, and a tin content of 10 to 70 at % in the plating. The present invention provides a copper tin alloy plating that has excellent plating adhesion and disengaging force stability and particularly a Cu—Sn—O alloy plating that has a blackish color tone without containing any controlled substances.
    Type: Application
    Filed: June 4, 2008
    Publication date: October 23, 2008
    Applicants: NIHON NEW CHROME CO., LTD., YKK SNAP FASTENERS JAPAN CO., LTD.
    Inventors: Kazuya URATA, Kazuhito KITAGAWA, Yukio OGAWA, Kenji KASEGAWA