Patents by Inventor Tokio Nakamura

Tokio Nakamura 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).

  • Thermoelectric thermometer of radio transmission type
    Patent number: 4716411
    Abstract: A thermoelectric thermometer of the radio transmission type incorporating a thermocouple for measuring the temperature of an object having a relatively high temperature, such as metal in a molten state or being heat-treated. A signal representing the temperature measured is transmitted by radio waves and received at a desired location away from the hot object to remotely detect the temperature of the object.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: December 29, 1987
    Inventor: Tokio Nakamura
  • Method of making goethite powder
    Patent number: 4060596
    Abstract: A method of making goethite powder in which a ferrous hydroxide suspension is stirred for about 3 hours in an inert atmosphere and then is oxidized to form goethite powder.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: November 29, 1977
    Assignee: Sony Corporation
    Inventor: Tokio Nakamura