Patents by Inventor Keith Y. Oka

Keith Y. Oka 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).

  • Suppressing power bus bouncing in a hot-swappable system
    Patent number: 6447309
    Abstract: An apparatus for suppressing power bus bouncing in a hot-swappable system has been developed. The apparatus includes a connection module with three interior pins for: the power return; the power supply; and the system ground. The system ground pin is shorter than the other two so that it makes contact with the power bus after the bouncing from the return and supply pins has subsided.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: September 10, 2002
    Assignee: Sun Microsystems, Inc.
    Inventors: Han Y. Ko, Robert C. Cyphers, Tomonori Hirai, Keith Y. Oka, Alan D. Martin
  • Suppressing power bus bouncing in a hot swappable system
    Publication number: 20020072259
    Abstract: An apparatus for suppressing power bus bouncing in a hot-swappable system has been developed. The apparatus includes a connection module with three interior pins for: the power return; the power supply; and the system ground. The system ground pin is shorter than the other two so that it makes contact with the power bus after the bouncing from the return and supply pins has subsided.
    Type: Application
    Filed: December 12, 2000
    Publication date: June 13, 2002
    Inventors: Han Y. Ko, Robert C. Cyphers, Tomonori Hirai, Keith Y. Oka, Alan D. Martin