Patents by Inventor Seiya Sakoda

Seiya Sakoda 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).

  • Gate valve
    Patent number: 8733734
    Abstract: A gate valve includes: a valve box; a support body disposed inside a hollow portion; a valve plate including a fixed valving section, a movable valving section sliding in a direction in which a flow passage is extended, a first peripheral region; and a second peripheral region; a first biasing section disposed at the first peripheral region, allowing the movable valving section to move toward a first opening portion, allowing the movable valving section to come into contact with an inner surface, pressing the movable valving section onto the inner surface, and closing the flow passage; and a second biasing section disposed at the second peripheral region, allowing the movable valving section to move toward a second opening portion, and releasing the flow passage by separating the movable valving section from the inner surface.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: May 27, 2014
    Assignee: Ulvac, Inc.
    Inventors: Kyuzo Nakamura, Kouji Shibayama, Shinichi Wada, Seiya Sakoda
  • GATE VALVE
    Publication number: 20120161055
    Abstract: A gate valve includes: a valve box; a support body disposed inside a hollow portion; a valve plate including a fixed valving section, a movable valving section sliding in a direction in which a flow passage is extended, a first peripheral region; and a second peripheral region; a first biasing section disposed at the first peripheral region, allowing the movable valving section to move toward a first opening portion, allowing the movable valving section to come into contact with an inner surface, pressing the movable valving section onto the inner surface, and closing the flow passage; and a second biasing section disposed at the second peripheral region, allowing the movable valving section to move toward a second opening portion, and releasing the flow passage by separating the movable valving section from the inner surface.
    Type: Application
    Filed: September 3, 2010
    Publication date: June 28, 2012
    Applicant: ULVAC, INC.
    Inventors: Kyuzo Nakamura, Kouji Shibayama, Shinichi Wada, Seiya Sakoda