Patents by Inventor Tsutomu Hioki

Tsutomu Hioki 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).

  • Speaker box
    Patent number: D506746
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: June 28, 2005
    Assignee: Sony Corporation
    Inventor: Tsutomu Hioki
  • Speaker box
    Patent number: D508481
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: August 16, 2005
    Assignee: Sony Corporation
    Inventor: Tsutomu Hioki
  • Speaker box
    Patent number: D508690
    Type: Grant
    Filed: June 17, 2004
    Date of Patent: August 23, 2005
    Assignee: Sony Corporation
    Inventor: Tsutomu Hioki
  • Speaker box
    Patent number: D509212
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: September 6, 2005
    Assignee: Sony Corporation
    Inventor: Tsutomu Hioki
  • Storage medium
    Patent number: D512434
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: December 6, 2005
    Assignee: Sony Corporation
    Inventor: Tsutomu Hioki