Patents by Inventor Shigeu Ogawa

Shigeu Ogawa 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).

  • Pattern-switching temperature control apparatus
    Patent number: 4605161
    Abstract: An apparatus controls the temperature of a multi-zone furnace based on a given temperature distribution pattern, which pattern is automatically modified zone by zone as the work being heat-treated is changed by using a memory storing a series of such patterns for different kinds of works.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: August 12, 1986
    Assignee: Ohkura Electric Co., Ltd.
    Inventors: Takehiko Motomiya, Shigeu Ogawa