Patents by Inventor Keiko Densho

Keiko Densho 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).

  • Audio player
    Patent number: D525612
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: July 25, 2006
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Wireless headset
    Patent number: D567216
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: April 22, 2008
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Television receiver
    Patent number: D573561
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: July 22, 2008
    Assignee: Sony Corporation
    Inventors: Hiroaki Yokota, Takuo Ikeda, Keiko Densho, Yasuhide Hosoda, Eijiro Mori, Hidenori Karasawa
  • Earphone
    Patent number: D587247
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: February 24, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Earphone
    Patent number: D587248
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: February 24, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Earphone
    Patent number: D587249
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: February 24, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Earphone
    Patent number: D587685
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: March 3, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Headphone
    Patent number: D588100
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: March 10, 2009
    Assignee: Sony Corporation
    Inventors: Keiko Densho, Yasuhide Hosoda
  • Earphone
    Patent number: D589493
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: March 31, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Earphone
    Patent number: D591721
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: May 5, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Earphone
    Patent number: D591722
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: May 5, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Television receiver
    Patent number: D593975
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: June 9, 2009
    Assignee: Sony Corporation
    Inventors: Hiroaki Yokota, Takuo Ikeda, Keiko Densho, Yasuhide Hosoda, Eijiro Mori, Hidenori Karasawa
  • Earphone
    Patent number: D598431
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: August 18, 2009
    Assignee: Sony Corporation
    Inventor: Keiko Densho
  • Earphone
    Patent number: D610129
    Type: Grant
    Filed: December 31, 2008
    Date of Patent: February 16, 2010
    Assignee: Sony Corporation
    Inventors: Keiko Densho, Yosuke Shimizu, Naoki Sugiyama, Naoto Shimizu, So Morimoto, Sohei Kitayama
  • Earphone
    Patent number: D637180
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: May 3, 2011
    Assignee: Sony Corporation
    Inventors: Yosuke Shimizu, Keiko Densho, Naoki Sugiyama, Sohei Kitayama, So Morimoto, Naoto Shimizu
  • Earphone
    Patent number: D679682
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: April 9, 2013
    Assignee: Sony Corporation
    Inventors: Yosuke Shimizu, Keiko Densho, Naoki Sugiyama, Sohei Kitayama, So Morimoto, Naoto Shimizu, Jun Komiyama