Patents by Inventor Masaaki Munekawa

Masaaki Munekawa 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).

  • Heat pipe
    Patent number: 5076351
    Abstract: In a heat pipe container having a working fluid enclosed therein, the container includes a container body in the form of a horizontal straight tube and having an evaporator portion, a heat insulating portion and a condenser portion as arranged from one end of the body to the other end thereof, and an upward hollow projecting portion provided on the condenser portion of the container body.
    Type: Grant
    Filed: July 17, 1990
    Date of Patent: December 31, 1991
    Assignee: Showa Aluminum Corporation
    Inventors: Masaaki Munekawa, Chuichi Takahashi, Kaoru Hasegawa, Koichiro Fukui, Yuichi Furukawa
  • Device for releasing heat
    Patent number: 4724901
    Abstract: A heat releasing device comprising a heat transmitting block having a heat source attaching portion and a bore extending therethrough, a looped heat pipe having at least one pair of straight tubular portions, the first of the straight tubular portions being intimately fitted in the bore, and a multiplicity of radiating fins attached to the heat pipe.
    Type: Grant
    Filed: May 20, 1980
    Date of Patent: February 16, 1988
    Assignee: Showa Aluminum Kabushiki Kaisha
    Inventor: Masaaki Munekawa
  • Device for releasing heat
    Patent number: 4588023
    Abstract: A heat releasing device comprises an extruded aluminum main body including a horizontal wall for attaching heat emitting elements thereto and a vertical wall formed with a large number of gouged fins on at least one of its opposite sides, and a heat pipe portion provided on or in the vertical wall. The heat released from heat emitting elements, such as semiconductor elements, mounted on the horizontal wall is absorbed by the main body, transferred to the heat pipe portion and then radiated from the fins on the vertical wall.
    Type: Grant
    Filed: February 17, 1984
    Date of Patent: May 13, 1986
    Assignee: Showa Aluminum Corporation
    Inventor: Masaaki Munekawa
  • Device for releasing heat
    Patent number: 4449578
    Abstract: A heat releasing device comprises an extruded aluminum main body including a horizontal wall for attaching heat emitting elements thereto and a vertical wall formed with a large number of gouged fins on at least one of its opposite sides, and a heat pipe portion provided on or in the vertical wall. The heat released from heat emitting elements, such as semiconductor elements, mounted on the horizontal wall is absorbed by the main body, transferred to the heat pipe portion and then radiated from the fins on the vertical wall.
    Type: Grant
    Filed: June 12, 1981
    Date of Patent: May 22, 1984
    Assignee: Showa Aluminum Corporation
    Inventor: Masaaki Munekawa