Patents by Inventor Taiyou HATTA

Taiyou HATTA 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).

  • Flow path opening/closing valve
    Patent number: 9091352
    Abstract: A flow path opening/closing valve is equipped with a main body having a valve chamber housing therein a rotatable valve body, and a sleeve that abuts without gaps against an inner circumferential surface of the valve chamber, such that the inner circumferential surface of the valve chamber and an inner circumferential surface of the sleeve slide without gaps against an outer circumferential surface of the valve body, for thereby shielding the valve chamber by the valve body and the sleeve. First and second seat members, and first and second o-rings that urge the first and second seat members toward the side of the valve body are arranged inside first and second annular grooves, which are provided on the inner circumferential surface and the inner circumferential surface.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: July 28, 2015
    Assignee: SMC KABUSHIKI KAISHA
    Inventors: Yoshihiro Fukano, Tadashi Uchino, Taiyou Hatta
  • FLOW PATH OPENING/CLOSING VALVE
    Publication number: 20140110615
    Abstract: A flow path opening/closing valve is equipped with a main body having a valve chamber housing therein a rotatable valve body, and a sleeve that abuts without gaps against an inner circumferential surface of the valve chamber, such that the inner circumferential surface of the valve chamber and an inner circumferential surface of the sleeve slide without gaps against an outer circumferential surface of the valve body, for thereby shielding the valve chamber by the valve body and the sleeve. First and second seat members, and first and second o-rings that urge the first and second seat members toward the side of the valve body are arranged inside first and second annular grooves, which are provided on the inner circumferential surface and the inner circumferential surface.
    Type: Application
    Filed: May 23, 2013
    Publication date: April 24, 2014
    Applicant: SMC KABUSHIKI KAISHA
    Inventors: Yoshihiro FUKANO, Tadashi UCHINO, Taiyou HATTA
  • Valve
    Patent number: D723660
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: March 3, 2015
    Assignee: SMC Corporation
    Inventors: Taiyou Hatta, Youji Niimi