Patents by Inventor Tomonori Kawaguchi

Tomonori Kawaguchi 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).

  • INVERTER COOLING METHOD FOR ELECTRIC INJECTION MOLDING MACHINE AND INVERTER COOLING DEVICE
    Publication number: 20180194052
    Abstract: An IGBT (6) forming an inverter (5a, 5b) that drives a brushless motor of an electric injection molding machine is attached to a cooling plate (2). A cooling liquid pipe (8) is provided in the cooling plate (2) to supply cooling liquid and cool the IGBT. The cooling liquid is supplied so as to be increased in an injection process. A plurality of sets of IGBTs (6) corresponding to a plurality of inverters (5a, 5b, 5c) are attached to the cooling plate (2), and the cooling liquid is circulated respectively in the vicinities of the plurality of sets of IGBTs (6).
    Type: Application
    Filed: June 30, 2016
    Publication date: July 12, 2018
    Applicant: THE JAPAN STEEL WORKS, LTD.
    Inventor: Tomonori KAWAGUCHI
  • Memory card
    Patent number: D585448
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: January 27, 2009
    Assignee: Sony Corporation
    Inventors: Tomonori Kawaguchi, Masahiro Takase, Minako Eguchi, Jun Ebisawa, Chikako Hasegawa, Yoshinobu Higuchi