Patents by Inventor Jianqian Xu

Jianqian Xu 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).

  • Load/unload ramp mechanism for reduced cracking
    Patent number: 10943614
    Abstract: A load/unload ramp assembly for a hard disk drive includes a support plate having at least one interlock slot and a plurality of ramp units interconnected with the support plate. At least one of the ramp units includes an interlock structure that protrudes into a corresponding interlock slot of the support plate, and is configured to move within the interlock slot in response to shrinkage of the ramp unit upon cooling associated with manufacturing of the ramp assembly. The ends of the interlock slot may be configured to manage the shrinkage and/or to maintain design dimensions.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: March 9, 2021
    Assignee: Western Digital Technologies, Inc.
    Inventors: Jianqian Xu, Hiroki Kitahori, Shin Nagahiro, Nobuyuki Okunaga