Patents by Inventor Ryo Tamamura

Ryo Tamamura 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 preparing nickel layer
    Patent number: 4368223
    Abstract: A nickel layer is prepared by applying a nickel salt and a reducing agent for reducing said nickel salt, on a substrate and reducing said nickel salt by a chemical reaction. The chemical reduction is carried out in the presence of at least one compound selected from the group consisting of diethylenetriamine, and imidazole.
    Type: Grant
    Filed: June 1, 1981
    Date of Patent: January 11, 1983
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Takayuki Kobayashi, Ryo Tamamura
  • Roll for manufacturing float glass
    Patent number: 4293335
    Abstract: A lift-out roll for conveying a float glass ribbon formed on a bath of molten metal having excellent corrosion resistance to molten tin and high oxidation resistance is provided. The roll is made of a heat-resistant cast steel consisting essentially of 0.01-2.0 wt. % of a rare earthmetal; 0.1-3.0 wt. % of Al; 0.2-0.45 wt. % of C.; up to 2.0 wt. % of Si; up to 2.0 wt. % of Si; up to 2 wt. % of Mn; up to 0.04 wt. % of P; up to 0.04 wt. % of S; 19-22 wt. % of Ni; 23-27 wt. % of Cr and the balance of Fe.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: October 6, 1981
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Ryo Tamamura, Yukinori Kutsukake
  • Solder alloys for soldering difficultly solderable material
    Patent number: 4106930
    Abstract: Difficultly solderable materials having oxide surfaces such as glass, ceramics or metals such as Si, Ge, Al, Ti, Zr or Ta are soldered at a temperature lower than about 180.degree. C with a solder alloy composed of 2 - 98% by wt Pb, 1 - 97.5% by wt Sn, 0.5 - 60% Cd and 0.05 - 10% by wt Zn with the simultaneous application of vibration, preferably ultrasonic vibration.
    Type: Grant
    Filed: May 26, 1976
    Date of Patent: August 15, 1978
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Koji Nomaki, Yoshihito Saoyama, Ryo Tamamura