Patents by Inventor Yoshihisa Aizawa

Yoshihisa Aizawa 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).

  • Surroundings monitoring system for work machine
    Patent number: 11939746
    Abstract: A surroundings monitoring system for a work machine includes an image capturing unit configured to capture an image of surroundings of the work machine and a display device configured to display the image of the surroundings of the work machine captured by the image capturing unit and a mark representing the position of a monitoring target. The display device is configured to display the mark in two or more different display forms.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: March 26, 2024
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Yoshihisa Kiyota, Shunsuke Otsuki, Susumu Aizawa
  • Friction electrifying-type electrostatic sorting apparatus
    Patent number: 5746320
    Abstract: A friction electrifying-type electrostatic sorting apparatus having a preliminary friction electrifying unit for preliminarily electrifying a sorted material by providing a friction; a friction electrifying unit for further electrifying the sorted material having been preliminarily electrified by the preliminary friction electrifying unit; a feeding unit for supplying the sorted material having been electrified by the friction electrifying unit; and an electrostatic sorting unit for electrostatically sorting the electrified material supplied from the feeding unit according to the electrified state of the sorted material by providing the sorted material in an electrostatic field.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: May 5, 1998
    Assignees: Tooyota Tsusho Corporation, Senko Kogyo Co., Ltd., Toyota Metal Co., Ltd.
    Inventors: Yoshihisa Fujita, Masakatsu Kumagai, Yoshihisa Aizawa