Patents by Inventor Naomi Hatogai

Naomi Hatogai 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).

  • Automatic control systems for the working tool of a civil machine
    Patent number: 4157118
    Abstract: In a civil machine comprising a working tool provided on a vehicle with a travelling mechanism and a drive therefor, an automatic control system comprises a stroke detector for detecting the amount of stroke of a lifting cylinder operating to move the working tool up and down, an inclination angle detector for detecting the inclination angle of the vehicle, an arithmetic unit for obtaining data representative of the height of the working tool from the detection signals of the two detectors, and a control for operating the lifting cylinder by using the data to control the position of the working tool with high accuracy.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: June 5, 1979
    Assignee: Kabushiki Kaisha Komatsu Seisakusho
    Inventors: Takashi Suganami, Teruo Manzeki, Tashiro Takeda, Tetsuya Nakayama, Koh Shimizu, Keishiro Kurihara, Tohru Fukumura, Naomi Hatogai