Patents by Inventor Shunji Hasegawa

Shunji Hasegawa 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 of controlling selection of tools in a quadriaxial numerical control lathe
    Patent number: 4549270
    Abstract: A method of controlling selection of tools in a quadriaxial numerical control lathe provided with two tool rests each mounting a plurality of tools and adapted to perform machining by the use of the tool rests, without requiring a programmer or the like to give an instruction concerning selection of tools to be used in each of machining processes when he/she forms a machining program.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: October 22, 1985
    Assignee: Yamazaki Machinery Works, Ltd.
    Inventors: Naoe Fukumura, Shunji Hasegawa, Masanobu Tanaka