Patents by Inventor Isamu Asahi

Isamu Asahi 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).

  • Cyclic maintenance work schedule table preparation system
    Patent number: 5343387
    Abstract: A system is provided for the preparation of a cyclic maintenance work schedule table. The system includes a display unit which can show boxes defined by dates in a desired period and the names of individual workers.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: August 30, 1994
    Assignees: Hitachi, Ltd., Hitachi Building Systems and Engineering Service Co.
    Inventors: Masaki Honma, Akio Nakano, Kouzou Mabuti, Isamu Asahi, Setsuo Tsuruta, Nobuhiro Fujino, Nobuhisa Kobayashi