Patents by Inventor LeRoy Leach

LeRoy Leach 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).

  • RAID system and method compatible with improved drive select
    Patent number: 8065481
    Abstract: A RAID system is provided which can be implemented as a hardware RAID system while avoiding certain shortcomings of previous RAID systems. The RAID system makes it possible to avoid or reduce the number of buffers or processors and can take advantage of drive logic to achieve RAID functions or enhancements. RAID functionality can be provided in a manner to accommodate one or more ATA drive interfaces. To avoid drive replacement problems, host requests for drive serial numbers are responded to with a mirror serial number. In one embodiment, the read address is used to select which drive will perform a read operation.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: November 22, 2011
    Assignee: Seagate Technology LLC
    Inventors: Bernhard Hiller, Pantelis Alexopoulos, Don Brunnett, Chandra Buddhavaram, Thierry Chatard, David Chew, Samuel R. Duell, Jeff Griffiths, Johanna Hernandez, Robert L. Kimball, Eric Kvamme, LeRoy Leach, Michael Lee, James McGrath, Kathleen Fitzgerald, legal representative, Robert Milby, Bruce Schardt, Maurice Schlumberger, Erhard Schreck, Richard Sonnenfeld
  • Method and apparatus for increasing the device count on a single ATA bus
    Patent number: 7032054
    Abstract: The present invention allows more than two devices to be connected to a single ATA bus. The devices are each assigned a unique identifier, and a controller selects a device by sending a selection command that includes a selection identifier across data lines of the ATA bus to the devices. The devices each receive the selection command and compare the selection identifier to the assigned identifier. The device which matches the selection identifier to its assigned identifier is selected, and the other devices are not selected.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: April 18, 2006
    Assignee: Maxtor Corporation
    Inventors: Kevin W. McGinnis, Bob Southerland, LeRoy Leach