Patents by Inventor Sumumu Tuzuku

Sumumu Tuzuku 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).

  • Patent number: 4322593
    Abstract: An apparatus for pre-heating resin tablets comprising a resin tablet heater, a switch for setting a reference softening degree and a softening degree detector for the resin tablet. The detector includes a pressure source and a pressure transmitting member coupled to the pressure source and adapted for contact with the resin tablet. The pressure transmitting member is movable a distance representative of the softening degree of the resin tablet being heated due to deformation of the resin tablet.
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: March 30, 1982
    Assignee: Hitachi, Ltd.
    Inventors: Kunihiko Nishi, Yoshiaki Wakashima, Akira Suzuki, Aizo Kaneda, Sumumu Tuzuku