Patents by Inventor Masao Mukaidono

Masao Mukaidono 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).

  • Method and apparatus for assuring safe work
    Patent number: 5345138
    Abstract: A method for assuring a safe work space operates so that a work enable signal is generated only when absence of workers from the work space where the workers work in cooperation with a machine is detected. The work enable signal has a logical value of 1 corresponding to a high energy state and only this signal can initiate activation of the machine sharing the subject work space thereby assuring safe environments for workers.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: September 6, 1994
    Assignee: The Nippon Signal Co., Ltd.
    Inventors: Masao Mukaidono, Noboru Sugimoto, Koichi Futsuhara
  • Slide operation control device for a press
    Patent number: 5285721
    Abstract: The present invention is to provide a fail-safe slide operation control device for a press of simple structure when the electronic circuit by fail-safe signal processing as a circuit for monitoring overrun and confirming the OFF condition of an operation button, which is important function to control the slide, is used instead of a contact circuit composed of relays.
    Type: Grant
    Filed: March 10, 1993
    Date of Patent: February 15, 1994
    Assignee: The Nippon Signal Co., Ltd.
    Inventors: Noboru Sugimoto, Souichi Kumekawa, Masao Mukaidono, Masayoshi Sakai, Koichi Futsuhara