Patents by Inventor Michikatsu Naito

Michikatsu Naito 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).

  • Rotational speed responsive type fluid pressure signal control valve
    Patent number: 3939856
    Abstract: A rotational speed responsive type fluid pressure signal control valve comprises a plurality of fly weights rotated by a drive shaft, a sleeve operated by the fly weights, fluid passages provided in the valve and valve bodies actuated by the sleeve so as to open and close the fluid passages, thereby getting a fluid pressure signal from the fluid passages.
    Type: Grant
    Filed: March 11, 1974
    Date of Patent: February 24, 1976
    Assignee: Nippondenso Co., Ltd.
    Inventors: Yasuhiro Yamamoto, Michikatsu Naito