Patents by Inventor David Koichi

David Koichi 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).

  • APPARATUS AND METHODS FOR ALIGNED SERVO-RELATED FEATURES
    Publication number: 20170025140
    Abstract: Provided herein is an apparatus, including a first region of a substrate corresponding to a data region in a patterned recording medium; a first set of protrusions etched out of the first region of the substrate, wherein the protrusions of the first set of protrusions are rectangle shaped; a second region of the substrate corresponding to a servo region in a patterned recording medium; and a second set of protrusions etched out of the second region of the substrate, wherein the second set of protrusions includes radial lines etched into the substrate across chevrons etched out of the substrate.
    Type: Application
    Filed: April 16, 2015
    Publication date: January 26, 2017
    Applicant: Seagate Technology LLC
    Inventors: Shuaigang Xiao, David S. Kuo, XiaoMin Yang, Kim Y. Lee, Yautzong Hsu, David Koichi