Patents by Inventor Yumiko Iizuka

Yumiko Iizuka 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).

  • Automatic layout planner and a method for automatically creating a layout plan
    Patent number: 4700317
    Abstract: Automatic layout planning without previously specifying place of each parts is made possible by utilizing groups of rules each comprising a condition section and a procedure section. An appropriate group of rules can be called from a knowledge base according to an intermediate layout plan generated in a data structure by a rule interpreter.
    Type: Grant
    Filed: November 28, 1984
    Date of Patent: October 13, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Toshinori Watanabe, Koji Sasaki, Chizuko Yasunobu, Yumiko Iizuka, Yoshiaki Nagai, Toshiro Yamanaka, Minoru Yamakoshi, Takashi Tanaka