Patents by Inventor Kunio Takaishi

Kunio Takaishi 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).

  • Graphite body
    Patent number: 5015518
    Abstract: A graphite body which is capable of connecting a plurality of the graphite bodies one by one. The graphite body includes one connecting end surface having a T-shaped mound and the other connecting end surface having an inverted T-shaped groove so that the graphite bodies may be connected by means of the mound and groove. The mound and groove each have a width linearly varied in the longitudinal direction thereof.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: May 14, 1991
    Assignee: Toyo Carbon Co., Ltd.
    Inventors: Yoshito Sasaki, Kunio Takaishi