Patents by Inventor Akiyo Tsurushima

Akiyo Tsurushima 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).

  • Automotive air conditioner
    Patent number: 6453991
    Abstract: In an air conditioner unit, a downstream side air passage is partitioned into at least two independent small (or sub) air passages with a plurality of partition plates extending along an air flow direction. Individual doors are provided for the respective small air passages and the small air passages can each distribute air that is independently conditioned to a desired temperature for each such passage.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: September 24, 2002
    Assignee: Calsonickansei Corporation
    Inventors: Akiyo Tsurushima, Katsuhiro Kurokawa
  • Automobile air conditioner
    Patent number: 6226999
    Abstract: An evaporator is placed on an insulator, and the insulator, together with the evaporator, is made to easily be withdrawn out of a cooling case. Upper and lower edge portions of an air filter are freely guided and supported by a guide portion provided on an upper surface of the insulator and an upper guide portion provided on a lower surface of a top plate portion of the cooling case.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: May 8, 2001
    Assignee: Calsonic Kansei Corporation
    Inventors: Hiroyuki Suda, Akiyo Tsurushima