Patents by Inventor Toshio Kashiwazaki

Toshio Kashiwazaki 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).

  • Patent number: 6663092
    Abstract: A device holding apparatus comprising a base plate; a hollow pad guard provided on the base plate; a pad pin inserted to the pad guard movably in an axis direction and having a through hole; a pad provided at a tip of the pad pin and having a through hole connected to the through hole of the pad pin; and a bellows pad provided on the base plate, having a through hole connected to the through hole of the pad pin and being elastic in the axis direction; for holding by suction a device by the pad by applying a negative pressure to the through hole of the bellows pad, the through hole of the pad pin and the through hole of the pad.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: December 16, 2003
    Assignee: Advantest Corporation
    Inventors: Toshio Kashiwazaki, Noriyuki Igarashi, Haruki Nakajima
  • Publication number: 20030030293
    Abstract: A device holding apparatus comprising a base plate; a hollow pad guard provided on the base plate; a pad pin inserted to the pad guard movably in an axis direction and having a through hole; a pad provided at a tip of the pad pin and having a through hole connected to the through hole of the pad pin; and a bellows pad provided on the base plate, having a through hole connected to the through hole of the pad pin and being elastic in the axis direction; for holding by suction a device by the pad by applying a negative pressure to the through hole of the bellows pad, the through hole of the pad pin and the through hole of the pad.
    Type: Application
    Filed: October 10, 2002
    Publication date: February 13, 2003
    Applicant: ADVANTEST Corporation
    Inventors: Toshio Kashiwazaki, Norivuki Igarashi, Haruki Nakajima
  • Patent number: 6485009
    Abstract: A device holding apparatus comprising a base plate; a hollow pad guard provided on the base plate; a pad pin inserted to the pad guard movably in an axis direction and having a through hole; a pad provided at a tip of the pad pin and having a through hole connected to the through hole of the pad pin; and a bellows pad provided on the base plate, having a through hole connected to the through hole of the pad pin and being elastic in the axis direction; for holding by suction a device by the pad by applying a negative pressure to the through hole of the bellows pad, the through hole of the pad pin and the through hole of the pad.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: November 26, 2002
    Assignee: Advantest Corporation
    Inventors: Toshio Kashiwazaki, Norivuki Igarashi, Haruki Nakajima
  • Publication number: 20010040327
    Abstract: A device holding apparatus comprising a base plate 11; a hollow pad guard 12 provided on said base plate; a pad pin 13 inserted to said pad guard movably in an axis direction and having a through hole 131; a pad 14 provided at a tip of said pad pin and having a through hole connected to the through hole 141 of the pad pin; and a bellows pad 15 provided on said base plate, having a through hole 151 connected to the through hole of said pad pin and being elastic in the axis direction; for holding by suction a device by said pad by applying a negative pressure to the through hole 151 of said bellows pad, the through hole 131 of said pad pin and the through hole 141 of said pad.
    Type: Application
    Filed: May 16, 2001
    Publication date: November 15, 2001
    Applicant: Aeomica, Inc.
    Inventors: Toshio Kashiwazaki, Norivuki Igarashi, Haruki Nakajima