Patents by Inventor Hisashi Baba

Hisashi Baba 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).

  • Patent number: 11473174
    Abstract: The present invention provides a coated steel product including: a steel product; a coating layer that is coated on the surface of the steel product and that includes from 8 to 50% by mass of Mg, from 2.5 to 70.0% by mass of Al, and from 0.30 to 5.00% by mass of Ca, with the balance consisting of Zn and impurities; and an intermediate layer interposed between the steel product and the coating layer, in which the intermediate layer has a sea-island structure constituted by a sea portion composed of an Al—Fe alloy phase, and island portions including a Zn—Mg—Al alloy phase having a Mg content of 8% by mass or more, and in which the sea portion composed of the Al—Fe alloy phase has an area fraction of from 55 to 90%.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: October 18, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Kohei Tokuda, Hisashi Baba, Nobuyuki Shimoda, Kenichiro Matsumura, Yasuto Goto
  • Publication number: 20190368007
    Abstract: The present invention provides a coated steel product including: a steel product; a coating layer that is coated on the surface of the steel product and that includes from 8 to 50% by mass of Mg, from 2.5 to 70.0% by mass of Al, and from 0.30 to 5.00% by mass of Ca, with the balance consisting of Zn and impurities; and an intermediate layer interposed between the steel product and the coating layer, in which the intermediate layer has a sea-island structure constituted by a sea portion composed of an Al—Fe alloy phase, and island portions including a Zn—Mg—Al alloy phase having a Mg content of 8% by mass or more, and in which the sea portion composed of the Al—Fe alloy phase has an area fraction of from 55 to 90%.
    Type: Application
    Filed: January 16, 2017
    Publication date: December 5, 2019
    Applicant: Nippon Steel Corporation
    Inventors: Kohei TOKUDA, Hisashi BABA, Nobuyuki SHIMODA, Kenichiro MATSUMURA, Yasuto GOTO
  • Patent number: 5266595
    Abstract: A method for treatment of cystinuria which comprises administering to a patient in need thereof an effective amount of bucillamine or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: November 30, 1993
    Assignee: Santen Pharmaceutical Co., Ltd.
    Inventors: Hisashi Baba, Hideo Takashina
  • Patent number: 4867811
    Abstract: A process for producing a metallic catalyst-carrier, comprising the steps of: preparing a steel sheet containing 9.0 to 25.0 wt % Cr and 0.01 to 6.0 wt % Al, plating the steel sheet with Ni at an amount of from 0.3 to 10.0 g/m.sup.2, then plating with Al or Al-alloy at a plated amount defined by the formula; ##EQU1## and with a provision that the thickness of an Al-Fe alloyed layer is controlled to a thickness of 10 .mu.m or less, cold rolling to a rolled thickness of 0.1 mm or less, working to a body of a required form, and heat-treating the body.
    Type: Grant
    Filed: July 27, 1988
    Date of Patent: September 19, 1989
    Assignees: Nippon Steel Corporation, Toyota Jidosha Kabushiki Kaisha, Nippon Kinzoku Co., Ltd.
    Inventors: Hiroo Wakiyama, Hisashi Baba, Mikio Yamanaka, Keiichi Ohmura, Shinichi Matsumoto, Toshihiro Takada, Shigetoshi Sugimoto, Shinzi Shibata, Toshiyuki Yashiro, Akihiko Kasahara