Patents by Inventor Tetsuhide Nakao

Tetsuhide Nakao 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).

  • SEALING SURFACE PROCESSING MACHINE AND METHOD
    Publication number: 20190084057
    Abstract: A sealing surface processing machine cuts an attachment surface of a seal member in a valve main body. The machine includes a pedestal attached to the valve main body; a main body movably supported on the pedestal; a tool holder configured to hold a tool for processing the attachment surface; a rotating part configured to rotate the tool holder around an axis parallel to a movement direction of a valve body; a first moving part configured to move the tool holder along a first direction along which the valve body moves; a second moving part configured to move the tool holder along a second direction intersecting with the movement direction of the valve body; a first adjustment device configured to adjust a position of the main body in the first direction; and a second adjustment device configured to adjust a position of the main body in the second direction.
    Type: Application
    Filed: March 1, 2017
    Publication date: March 21, 2019
    Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Daichi Sugitani, Genta Terada, Shigenori Taniguchi, Nobuchika Suezawa, Daisuke Sasaki, Kiyoshi Kanemitsu, Tatsuya Iwasawa, Tetsuhide Nakao, Koji Oyama, Naoki Sakamoto, Yu Wakamatsu, Takayoshi Ohara, Masaru Kamada