Patents by Inventor Hiromi KAKAZU

Hiromi KAKAZU 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).

  • Stirring fan for heat treatment apparatus, and heat treatment apparatus including the same
    Patent number: 10365043
    Abstract: A shaft of a stirring fan for a heat treatment apparatus includes a blade fixing portion for fixing a plurality of blades. The blade fixing portion has a cylindrical portion extending in a shaft direction of the shaft. A hole inside the cylindrical portion is open to one end face of the shaft. The stirring fan has a discharge portion for discharging gas inside the cylindrical portion to the outside of the blade fixing portion. The discharge portion is open to the outside of the blade fixing portion, at a position away from the one end face of the shaft.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: July 30, 2019
    Assignee: Koyo Thermo Systems Co., Ltd.
    Inventors: Hiromi Kakazu, Norihide Fujiyama, Masanori Okumura, Takeshi Ueda
  • STIRRING FAN FOR HEAT TREATMENT APPARATUS, AND HEAT TREATMENT APPARATUS INCLUDING THE SAME
    Publication number: 20160313064
    Abstract: A shaft of a stirring fan for a heat treatment apparatus includes a blade fixing portion for fixing a plurality of blades. The blade fixing portion has a cylindrical portion extending in a shaft direction of the shaft. A hole inside the cylindrical portion is open to one end face of the shaft. The stirring fan has a discharge portion for discharging gas inside the cylindrical portion to the outside of the blade fixing portion. The discharge portion is open to the outside of the blade fixing portion, at a position away from the one end face of the shaft.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 27, 2016
    Applicant: Koyo Thermo Systems Co., Ltd.
    Inventors: Hiromi KAKAZU, Norihide FUJIYAMA, Masanori OKUMURA, Takeshi UEDA