Patents by Inventor Teruo Doida

Teruo Doida 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).

  • Lot transporting system between stations having different manufacturing equipment
    Patent number: 5440493
    Abstract: In a lot transporting system including a plurality of stations each having different types of manufacturing equipments, when the next manufacturing process to be performed upon a lot is determined, one of the stations having manufacturing equipments specific to the next manufacturing process is selected in accordance with predetermined ratios allocated to the stations. Then, the lot is transported to the selected station for the next manufacturing process.
    Type: Grant
    Filed: April 7, 1994
    Date of Patent: August 8, 1995
    Assignee: NEC Corporation
    Inventor: Teruo Doida