Patents by Inventor Seiichiro Tan

Seiichiro Tan 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).

  • Impact-driven tool
    Patent number: 10343272
    Abstract: An impact-driven tool includes a cylinder and a piston slidably inserted into the cylinder and has a large-diameter portion. The cylinder includes: a chamber on one end side; a chamber on the other end side; a communication path that allows the chamber on one end side and the chamber on the other end side to communicate with each other; and a valve chamber that is continuous with one end side in the axial direction of the communication path, and a valve body for piston lifting control that is incorporated so as to be movable up and down and is provided in the valve chamber.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: July 9, 2019
    Assignee: NIPPON PNEUMATIC MFG. CO., LTD.
    Inventors: Yuuji Morita, Seiichiro Tan
  • IMPACT-DRIVEN TOOL
    Publication number: 20160318166
    Abstract: An impact-driven tool includes a cylinder and a piston slidably inserted into the cylinder and has a large-diameter portion. The cylinder includes: a chamber on one end side; a chamber on the other end side; a communication path that allows the chamber on one end side and the chamber on the other end side to communicate with each other; and a valve chamber that is continuous with one end side in the axial direction of the communication path, and a valve body for piston lifting control that is incorporated so as to be movable up and down and is provided in the valve chamber.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 3, 2016
    Inventors: Yuuji MORITA, Seiichiro Tan