Patents by Inventor Hisashi Fukunaga

Hisashi Fukunaga 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).

  • Publication number: 20240087777
    Abstract: A thermistor layer of the present invention is configured to be disposed in an electrical current path. The thermistor layer comprises a thermosensitive particle, a plurality of electro-conductive particles covering a surface of the thermosensitive particle, and a binder adhering the electro-conductive particles, the electro-conductive particles form an electro-conductive network, at least the surface of the thermosensitive particle is made of a thermoplastic resin, the thermoplastic resin softens at a temperature lower than a temperature at which the binder softens, and the thermistor layer is provided to become highly resistive due to softening and deformation of the thermoplastic resin.
    Type: Application
    Filed: February 1, 2021
    Publication date: March 14, 2024
    Inventors: Nobuhiro TSUJI, Manabu MURATA, Hisashi KAWAKAMI, Yasuto IMAI, Yoshiro KOJIMA, Takao FUKUNAGA
  • Patent number: 5197871
    Abstract: A vaporizing type burner including a cylindrical body, a combustion chamber, a fuel absorbing section for receiving a fuel therein and vaporizing the received fuel therefrom, a mixer tube in which a vaporized fuel and a combustion air are mixed with each other to prepare a mixture gas and an igniting plug for igniting the mixture gas radially ejected from the mixer tube wherein a supporting member for accommodating the fuel absorbing section in the cylindrical body is arranged in such a manner as not to allow the fuel absorbing section to be exposed directly the combustion chamber, a vaporizing chamber is arranged adjacent to the fuel absorbing section and the supporting member so as to allow a part of the combustion gas generated in the combustion chamber to be introduced into the vaporizing chamber without any burning flame, an air swirling chamber includes a plurality of guide plates for imparting a swirling force to the combustion air, the mixer tube is communicated not only with the air swirling chamber
    Type: Grant
    Filed: June 25, 1992
    Date of Patent: March 30, 1993
    Assignee: Mikuni Kogyo Kabushiki Kaisha
    Inventors: Yuuzou Yamamoto, Katsuji Sawada, Hisashi Fukunaga