Patents by Inventor Tomoki Kumayama

Tomoki Kumayama 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).

  • Welding method using heating plate and welding apparatus using the same
    Patent number: 6425431
    Abstract: An apparatus of welding a plurality of parts comprises a plural pairs of jigs, a plurality of heating plates, a working region, a heating-plate stocker, a heating-plate standby region, and a heating-plate slider. The pairs of jigs supports a plurality of parts, and each pair of the jigs has a shape different from another pair of jigs. The heating plates respectively correspond to each pair of the jigs. The working region is for welding the parts with the jigs and the heating plates. The heating-plate stocker stocks and heats the heating plates. The heating-plate standby region is for standing by for moving the heating plates with heating between the working region and the heating-plate stocker. A heating-plate slider is for sliding the heating plates between the heating-plate standby region and the heating-plate stocker.
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: July 30, 2002
    Assignee: Koito Manufacturing Co., Ltd.
    Inventors: Toshitaka Naito, Masahiko Koizumi, Tomoki Kumayama, Hiroyuki Kageyama, Fujihiko Sugiyama, Seiichi Gyotoku