Patents by Inventor Kazuhiko Kogo

Kazuhiko Kogo 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).

  • Injection molding machine having exchangeable sub-molds
    Patent number: 5282733
    Abstract: An injection molding machine includes a sub-mold hollow structure defining a plurality of sub-mold hollows which are formed in at least one of a fixed-side base plate and a movable-side base plate with a keyway being formed in the base plate in which the sub-mold hollow structure is formed. A changeable sub-mold is detachably mounted in each of the sub-mold hollows, and a comb-shaped fixing key is detachably engaged in the keyway and fixes the changeable sub-molds when the comb-like fixing key is inserted into the keyway.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: February 1, 1994
    Assignee: Seikosha Co., Ltd.
    Inventors: Hiroshi Noritake, Takeo Murayama, Hideo Onda, Satoru Yoshizawa, Kazuhiko Kogo