Patents by Inventor Kunihisa Fujiwara

Kunihisa Fujiwara 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: 20040237405
    Abstract: A process of the gasification of glass fiber reinforced plastics includes feeding a glass fiber reinforced plastic material to a rotatable gasification furnace, heating the material to a temperature of 650 to 750° C. in the presence of oxygen and steam to gasify the plastic component thereof, recovering the remaining glass fibers; introducing the resulting plastic gas into a plastic gas decomposition section, partially oxidizing the plastic gas at a temperature of 700 to 1000° C. in the presence of additional oxygen or an additional mixture of oxygen and steam, and recovering the CO and H2 so produced.
    Type: Application
    Filed: July 1, 2004
    Publication date: December 2, 2004
    Applicant: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Yoshiyuki Takeuchi, Tadaaki Tamura, Masayasu Sakai, Takayuki Harada, Kunihisa Fujiwara, Ritsuo Hashimoto, Hirotoshi Horizoe
  • Patent number: 4169701
    Abstract: A fluidized-bed kiln equipped with preheating means comprises suspension-type material preheating means having one or more cyclones, a fluidized-bed calciner for receiving the preheated material from the cyclone or the lowermost of the cyclones and forming a fluidized bed of the material within the calciner, and a collecting cyclone for collecting the hot gases carrying the calcined material, separating them into solids and gases, and conducting the calcined material into cooling means and the hot gases into the cyclone or the lowermost of the cyclones. The cooling means is, for example, a fluidized-bed cooler.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: October 2, 1979
    Assignees: Mitsubishi Jukogyo Kabushiki Kaisha, Yoshizawa Sekkai Kogyo Kabushiki Kaisha
    Inventors: Toshio Katayama, Kunihisa Fujiwara, Yoshimine Jahami