Patents by Inventor Tooru Nishidate

Tooru Nishidate 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).

  • Fabrication method of acoustic wave device
    Patent number: 9998842
    Abstract: A fabrication method of an acoustic wave device includes: forming a metal layer between regions that are located on a piezoelectric substrate and in which acoustic wave chips are to be formed, at least a part of a region of the metal layer extending to an extension direction of a dicing line for separating the acoustic wave chips; and scanning the dicing line of the piezoelectric substrate by a laser beam so that the at least a part of the region of the metal layer is not irradiated with the laser beam.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: June 12, 2018
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Tooru Nishidate