Patents by Inventor Takao Ikita

Takao Ikita 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).

  • Surface treatment of high-nickel/iron alloy steel plate for LNG or LPG tanks
    Patent number: 4696724
    Abstract: High nickel/iron alloy steel plate for LNG or LPG tanks having 35-37% nickel content is plated with nickel in an amount of 1 to 10 g/m.sup.2, and then chromated, except electro-chromating treatment, to obtain thereon a chromate film having a chromium content of 5 to 100 mg/m.sup.2.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: September 29, 1987
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Takenori Deguchi, Kazuko Uchida, Takao Ikita, Shigeaki Maruhaski, Kazuo Hoshino, Keiji Oosaki
  • Surface treatment of high-nickel/iron alloy steel plate for LNG or LPG tanks
    Patent number: 4592965
    Abstract: High nickel/iron alloy steel plate for LNG or LPG tanks having 35-37% nickel content is plated with nickel in an amount of 1 to 10 g/m.sup.2, and then chromated, except electro-chromating treatment, to obtain thereon a chromate film having a chromium content of 5 to 100 mg/m.sup.2.
    Type: Grant
    Filed: September 20, 1984
    Date of Patent: June 3, 1986
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Takenori Deguchi, Kazuko Uchida, Takao Ikita, Shigeaki Maruhaski, Kazuo Hoshino, Keiji Oosaki