Patents by Inventor Yasushi Iwanaga

Yasushi Iwanaga 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).

  • Gantry-type XY stage
    Patent number: 7239161
    Abstract: Nine vibration isolating mounts are disposed on a pedestal, and a granite plate is placed thereon. A pair of guide bases are disposed on the granite plate, and disposed thereon are a pair of posts made of CFRP for movements in a Y-direction relative to the granite plate. A beam made of CFRP is extended between the pair of posts. Further, a movement base is disposed for movement in an X-direction relative to the beam, and a laser optical unit is mounted on the movement base.
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: July 3, 2007
    Assignee: Laserfront Technologies, Inc.
    Inventors: Yasushi Iwanaga, Kazuhiko Mitobe
  • Gantry-type XY stage
    Publication number: 20060023206
    Abstract: Nine vibration isolating mounts are disposed on a pedestal, and a granite plate is placed thereon. A pair of guide bases are disposed on the granite plate, and disposed thereon are a pair of posts made of CFRP for movements in a Y-direction relative to the granite plate. A beam made of CFRP is extended between the pair of posts. Further, a movement base is disposed for movement in an X-direction relative to the beam, and a laser optical unit is mounted on the movement base.
    Type: Application
    Filed: October 28, 2004
    Publication date: February 2, 2006
    Inventors: Yasushi Iwanaga, Kazuhiko Mitobe