Patents by Inventor Hirokatsu Shinohara

Hirokatsu Shinohara 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).

  • High-speed air spindle
    Patent number: 8382426
    Abstract: A high-speed air spindle including a spindle 1 supported by a first bearing 3 at the leading end side in the axial direction and a second bearing 2 at the rear end side, a driving air turbine 4 fixed in a spindle portion between the first bearing 3 and the second bearing 2, a speed-increasing air turbine 5 fixed in a spindle portion ahead of the first bearing 3, and an air passage 9 of an exhaust of compressed air supplied in the driving air turbine 4, flowing in the sequence of the first bearing 3 and the speed-increasing air turbine 5.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: February 26, 2013
    Assignees: Koushi Itoh, Shinohara Industry Inc., Tomoaki Murata
    Inventors: Koushi Itoh, Hirokatsu Shinohara, Tomoaki Murata
  • High-speed air spindle
    Publication number: 20090252594
    Abstract: A high-speed air spindle including a spindle 1 supported by a first bearing 3 at the leading end side in the axial direction and a second bearing 2 at the rear end side, a driving air turbine 4 fixed in a spindle portion between the first bearing 3 and the second bearing 2, a speed-increasing air turbine 5 fixed in a spindle portion ahead of the first bearing 3, and an air passage 9 of an exhaust of compressed air supplied in the driving air turbine 4, flowing in the sequence of the first bearing 3 and the speed-increasing air turbine 5.
    Type: Application
    Filed: April 4, 2008
    Publication date: October 8, 2009
    Inventors: Koushi Itoh, Hirokatsu Shinohara, Tomoaki Murata