Patents by Inventor Michitoshi Kono

Michitoshi Kono 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 and apparatus for manufacturing a gear
    Patent number: 4939829
    Abstract: A gear is manufactured by heating a blank up to a warm working temperature range, upsetting and piercing the blank through warm f=orging, forming gear teeth on the blank through warm extrusion to produce an intermediate blank which is substantially of a gear shape, and then finishing the gear teeth accurately through cold sizing. The gear can be manufactured highly accurately with a good yield without requiring other intermediate processes such as normalizing and shot blasting.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: July 10, 1990
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Toshio Maki, Chiyoshi Miura, Michitoshi Kono