Patents by Inventor Hiroaki Murasaki

Hiroaki Murasaki 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: 4875839
    Abstract: A scroll member comprising a metallic end plate having a spiroidal groove on one side thereof, and a through-hole communicating with the groove, and a resin wrap joined to the groove of the end plate so as to protrude from the surface of the end plate. The wrap being formed by injection molding, and the through-hole and the groove being filled with part of the wrap.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: October 24, 1989
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hirotsugu Sakata, Hiroaki Murasaki, Makoto Hayano, Hitoshi Hattori, Naoya Morozumi, Kouichi Yoneyama, Isao Suzuki, Junji Sone, Shigemi Nagatomo
  • Patent number: 4294081
    Abstract: A freezing refrigerator has a freezing chamber for accommodating food to be freezed and a cold chamber for accommodating food kept at low temperature, those chambers being separated by a heat insulative member and provided with doors, respectively. The cold chamber is provided therein a cold chamber cooler for cooling the inside thereof and the freezing chamber is provided therearound with a first freezing chamber cooler for cooling the inside therein. A second freezing chamber cooler is provided close to the rear side of the freezing chamber but is separated from the inner surface of the freezing chamber. The surface temperature of the second cooler is kept lower than that of the first freezing chamber cooler. A shield plate is further provided to blind one from seeing the second cooler when the door for the freezing chamber is open, the shield plate being disposed close to the second cooler.
    Type: Grant
    Filed: April 27, 1979
    Date of Patent: October 13, 1981
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Akio Mitani, Moriyoshi Sakamoto, Hiroaki Murasaki
  • Patent number: 4137898
    Abstract: An air type heating system includes a heat collector connected to heat air streams running through the collector by solar heat and a heat storage member containing heat-storage material for absorbing heat of the air heated by the heat collector and progressively accumulating heat, starting with one air port. A room is heated by the heated air supplied from the heat collector and/or the heat storage member through the one air part thereof.
    Type: Grant
    Filed: December 23, 1976
    Date of Patent: February 6, 1979
    Assignee: Tokyo Shibaura Electric Co., Ltd.
    Inventors: Hisao Koizumi, Yoshinosuke Kawada, Hiroaki Murasaki, Satoshi Hisaoka