Patents by Inventor Yoshiaki Fuwa

Yoshiaki Fuwa 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).

  • Monitoring apparatus for disaster prevention
    Patent number: 5065150
    Abstract: Disclosed is a monitoring apparatus for disaster prevention which allows the setting of relay unit data to be revised with ease by effectively utilizing the information transmitting function between the receiver and the relay units. The monitoring apparatus for disaster prevention comprises relay units equipped with a storage device.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: November 12, 1991
    Assignee: Hochiki Corp.
    Inventors: Haruchika Machida, Yoshiaki Fuwa, Takashi Shimokawa
  • Exit guiding system
    Patent number: 4796018
    Abstract: An exit guiding system comprising detectors of changes in ambient condition due to a fire, a guiding device positioned near each fire exit or exit access, instruction means controlling operation or non-operation of each guiding device based upon signal levels from said detectors, operation of each guiding device being initiated when any detector outputs a signal indicating a dangerous condition, operation of individual guiding devices being suspended when ambient conditions local to said guiding device are dangerous, except the guiding device continuing operation when local conditions inside a door are dangerous but local conditions outside the same door are acceptable.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: January 3, 1989
    Assignee: Hockiki Corp.
    Inventors: Tsutomu Nakanishi, Akira Kitajima, Yoshiaki Fuwa, Yasaburo Adachi