Patents by Inventor Kohji Kamajima

Kohji Kamajima 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).

  • Control apparatus for multi-jointed arm mechanism
    Patent number: 4604561
    Abstract: In a control apparatus for a multi-jointed arm mechanism having a plurality of arm elements in order to enhance the operating speed of each arm element, a true control error between a fore end of the arm element and a target position therefor, resulting from a movement of the arm element, and a predicted control error thereof have their difference evaluated, and the arm element is controlled so as to make the difference zero.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: August 5, 1986
    Assignee: Hitachi, Ltd.
    Inventors: Kohji Kamajima, Yoshiyuki Nakano, Masakatsu Fujie, Yuji Hosoda, Taro Iwamoto, Kazuo Honma