Patents by Inventor Hidataka Oguma

Hidataka Oguma 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).

  • Ni-based single crystal superalloy
    Patent number: 8900512
    Abstract: The Ni-based single crystal alloy disclosed here is a single crystal and has a chemical composition containing, as % by mass, Co: 8 to 12%, Cr: 5 to 7.5%, Mo: 0.2 to 1.2%, W: 5 to 7%, Al: 5 to 6.5%, Ta: 8 to 12%. Hf: 0.01 to 0.2%, Re: 2 to 4%, Si: 0.005 to 0.1%, with the balance of Ni and inevitable impurities.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: December 2, 2014
    Assignees: National Institute for Materials Science, Mitsubishi Heavy Indsutries, Ltd.
    Inventors: Hiroshi Harada, Tadaharu Yokokawa, Yutaka Koizumi, Toshiharu Kobayashi, Masao Sakamoto, Kyoko Kawagishi, Ikuo Okada, Hidataka Oguma, Taiji Torigoe, Masaki Taneike, Eisaku Ito, Junichiro Masada, Keizo Tsukagoshi, Hidemichi Koyabu
  • Ni-BASED SINGLE CRYSTAL SUPERALLOY
    Publication number: 20120014832
    Abstract: The Ni-based single crystal alloy disclosed here is a single crystal and has a chemical composition containing, as % by mass, Co: 8 to 12%, Cr: 5 to 7.5%, Mo: 0.2 to 1.2%, W: 5 to 7%, Al: 5 to 6.5%, Ta: 8 to 12%. Hf: 0.01 to 0.2%, Re: 2 to 4%, Si: 0.005 to 0.1%, with the balance of Ni and inevitable impurities.
    Type: Application
    Filed: January 15, 2010
    Publication date: January 19, 2012
    Inventors: Hiroshi Harada, Tadaharu Yokokawa, Yutaka Koizumi, Toshiharu Kobayashi, Masao Sakamoto, Kyoko Kawagishi, Ikuo Okada, Hidataka Oguma, Tøiji Torigoe, Masaki Taneike, Eisaku Ito, Junichiro Masada, Keizo Tsukagoshi, Hidemichi Koyabu