Patents by Inventor Isao Nakatani

Isao Nakatani 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).

  • Plasma CVD apparatus
    Patent number: 5012158
    Abstract: A plasma CVD apparatus having a rotary vacuum reaction vessel, a starting gas introducing port, an ambient gas introducing port, an exhaust port, electrodes or an induction coil for applying a high-frequency electric field, and a cooling pipe provided in the starting gas introducing port for cooling the starting gas introducing port, wherein the starting gas introducing port and the exhaust port are located in opposition to each other on a rotating axis of the reaction vessel.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: April 30, 1991
    Assignee: National Research Institute for Metals
    Inventors: Isao Nakatani, Takao Furubayashi
  • Process for producing ferromagnetic liquid
    Patent number: 4599184
    Abstract: A process for producing a ferromagnetic liquid comprising fine particles of a ferromagnetic material and a surface-active liquid, which comprises a step of heating said ferromagnetic material to evaporate it, and a step of bringing the resulting vapor of the ferromagnetic material into contact with the surface-active liquid being stirred.
    Type: Grant
    Filed: January 29, 1985
    Date of Patent: July 8, 1986
    Assignee: National Research Institute
    Inventors: Isao Nakatani, Katashi Masumoto