Patents by Inventor Seigou Yamamoto

Seigou Yamamoto 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).

  • A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films
    Patent number: 6206985
    Abstract: An Al alloy film containing one kind or two or more kinds of alloy components selected from a group of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and Mn in a total amount of 0.1 to 10 at %, and a melting Al alloy sputtering target for depositing the Al alloy film, wherein the above-mentioned film is used as a reflection film for an optical recording medium, a shading film for a liquid crystal display panel or for a solid image pickup device, and an Al alloy thin film line or electrode material for a semiconductor device.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: March 27, 2001
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Takashi Onishi, Kazuo Yoshikawa, Seiji Nishi, Seigou Yamamoto
  • A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films
    Patent number: 5976641
    Abstract: An Al alloy film containing one kind or two or more kinds of alloy components selected from a group of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and Mn in a total amount of 0.1 to 10 at %, and a melting Al alloy sputtering target for depositing the Al alloy film, wherein the above-mentioned film is used as a reflection film for an optical recording medium, a shading film for a liquid crystal display panel or for a solid image pickup device, and an Al alloy thin film line or electrode material for a semiconductor device.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: November 2, 1999
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Takashi Onishi, Kazuo Yoshikawa, Seiji Nishi, Seigou Yamamoto
  • A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films
    Patent number: 5500301
    Abstract: An Al alloy film containing one kind or two or more kinds of alloy components selected from a group of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and Mn in a total amount of 0.1 to 10 at %, and a melting Al alloy sputtering target for depositing the Al alloy film, wherein the above-mentioned film is used as a reflection film for an optical recording medium, a shading film for a liquid crystal display panel or for a solid image pickup device, and an Al alloy thin film line or electrode material for a semiconductor device.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: March 19, 1996
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Takashi Onishi, Kazuo Yoshikawa, Seiji Nishi, Seigou Yamamoto