Patents by Inventor Kazutaka Sakiyama

Kazutaka Sakiyama 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).

  • Process for producing metallic chromium plates and sheets
    Patent number: 4428778
    Abstract: Disclosed is a process for producing metallic chromium sheets having satisfactory mechanical properties directly from metallic chromium powders by successive steps of rolling (or compacting), sintering, re-rolling and annealing.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: January 31, 1984
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Yoshimichi Masuda, Ryuzo Watanabe, Shinichi Imura, Kazutaka Sakiyama
  • Corrosion resistant amorphous noble metal-base alloys
    Patent number: 4339270
    Abstract: An amorphous alloy is prepared by rapid quenching from the liquid state and consists of(1) 10 to 40 atomic percent of P and/or Si(2) 90 to 60 atomic percent of two or more of Pd, Rh and Pt.The amorphous alloy is used for an electrode for an electrolysis.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: July 13, 1982
    Assignees: Toyo Soda Manufacturing Co. Ltd., Koji Hashimoto
    Inventors: Koji Hashimoto, Tsuyoshi Masumoto, Motoi Hara, Katsuhiko Asami, Kazutaka Sakiyama
  • Apparatus for use in the ammonia soda process or the ammonium chloride soda process
    Patent number: 4060389
    Abstract: An apparatus for use in the ammonia soda process or ammonium chloride soda process wherein those parts in contact with the ammoniacal brine, the mother liquor formed in the carbonation tower or the ammonium chloride mother liquor, are made of the austenitic steel consisting essentially of less than 0.05 wt. % of C; 0.1 - 2.0 wt. % of Si; 0.01 - 2.0 wt. % of Mn; 3.0 - 20.0 wt. % of Ni; 15.0 - 30.0 wt. % of Cr; 0.5 - 7.0 wt. % of Mo and the remainder iron.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: November 29, 1977
    Assignees: Toyo Soda Manufacturing Co., Ltd., Nihon Kinzoku Kogyo Kabushiki Kaisha
    Inventors: Yoshiki Nishimura, Kazutaka Sakiyama, Tadao Adachi, Kenji Harada