Patents by Inventor Hidetoshi Maruyama

Hidetoshi Maruyama 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).

  • Pipe cooler and small-sized temperature controlling apparatus using the same
    Patent number: 6298669
    Abstract: A Peltier element 4 is fixedly brought in close contact with a surface of a heat exchange block 3 with a large heat capacity which performs heat exchange with an end portion 2a of a heat pipe 2, heat transferring means 5 is disposed on a side of the Peltier element 4 which is opposed to the heat exchange block 3, the heat pipe 2 has at least one heat conduction extending portion 2b projecting from the heat exchange block 3, and heating medium about the heat conduction extending portion 2b is temperature-controlled by the operation control of the Peltier element 4 via the heat exchange block 3 and the heat conduction extending portion 2b of the heat pipe 2.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: October 9, 2001
    Assignee: SMC Corporation
    Inventors: Hidetoshi Maruyama, Hiroyuki Sakama