Patents by Inventor Hidehiro Nihei

Hidehiro Nihei 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).

  • Agitating feeder and compression molding machine
    Patent number: 9174369
    Abstract: An agitating feeder is provided in a compression molding machine that includes at least one die having a die bore, an upper punch and a lower punch retained respectively above and below the die so as to be vertically slidable, and a compression mechanism for compressing and molding a powdery material filled in the die bore by the upper punch and the lower punch. The agitating feeder includes an agitating rotor for rotating to agitate the powdery material, a housing accommodating the agitating rotor, and a gas flow device for flowing gas in the housing.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: November 3, 2015
    Assignee: KIKUSUI SEISAKUSHO LTD.
    Inventors: Yoshitsugu Oneda, Hidehiro Nihei
  • Compression molding machine
    Patent number: 8794946
    Abstract: A compression molding machine includes a feeder that has a feeder main body, a sealing frame attached to the feeder main body and having a supply port allowing a powdery material to pass therethrough, a first elastic member comprised between the sealing frame and the feeder main body, a sealing member attached to the sealing frame and preventing the powdery material from leaking, and a second elastic member comprised between the sealing member and the sealing frame.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: August 5, 2014
    Assignee: Kikusui Seisakusho, Ltd.
    Inventors: Yoshitsugu Oneda, Hidehiro Nihei
  • COMPRESSION MOLDING MACHINE
    Publication number: 20130029000
    Abstract: A compression molding machine includes a feeder that has a feeder main body, a sealing frame attached to the feeder main body and having a supply port allowing a powdery material to pass therethrough, a first elastic member comprised between the sealing frame and the feeder main body, a sealing member attached to the sealing frame and preventing the powdery material from leaking, and a second elastic member comprised between the sealing member and the sealing frame.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 31, 2013
    Applicant: Kikusui Seisakusho, LTD.
    Inventors: Yoshitsugu ONEDA, Hidehiro NIHEI
  • AGITATING FEEDER AND COMPRESSION MOLDING MACHINE
    Publication number: 20120269919
    Abstract: An agitating feeder is provided in a compression molding machine that includes at least one die having a die bore, an upper punch and a lower punch retained respectively above and below the die so as to be vertically slidable, and a compression mechanism for compressing and molding a powdery material filled in the die bore by the upper punch and the lower punch. The agitating feeder includes an agitating rotor for rotating to agitate the powdery material, a housing accommodating the agitating rotor, and a gas flow device for flowing gas in the housing.
    Type: Application
    Filed: April 17, 2012
    Publication date: October 25, 2012
    Applicant: Kikusui Seisakusho Ltd.
    Inventors: Yoshitsugu Oneda, Hidehiro Nihei