Patents by Inventor Keiichi Kanbe

Keiichi Kanbe 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).

  • Alignment mechanism and process for light exposure
    Patent number: 6249337
    Abstract: An alignment mechanism (A) for light exposure for use in a light exposure apparatus (1) having a transferring mechanism (2), which transfers a work; a light exposure table (3) which supports the work (W) and actuates in the vertical direction; an upper frame (9) placed on an upper side of the light exposure table, which supports a mask (M); and a vacuum absorption mechanism for bringing the work into contact with the mask when the light exposure table ascends is provided. The alignment mechanism has a pre-alignment mechanism (C) for pre-aligning the work on the light exposure table, and a mask alignment mechanism (D) for aligning the position of the mask to the position of the work.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: June 19, 2001
    Assignee: ORC Manufacturing Co.
    Inventors: Keiichi Kanbe, Minoru Ujimasu