Patents by Inventor Sohei Kitayama

Sohei Kitayama 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).

  • Earphone
    Patent number: D604272
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: November 17, 2009
    Assignee: Sony Corporation
    Inventor: Sohei Kitayama
  • 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
  • Speaker box
    Patent number: D629389
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: December 21, 2010
    Assignee: Sony Corporation
    Inventor: Sohei Kitayama
  • Earphone
    Patent number: D632282
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: February 8, 2011
    Assignee: Sony Corporation
    Inventor: Sohei Kitayama
  • Headphone
    Patent number: D634730
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: March 22, 2011
    Assignee: Sony Corporation
    Inventor: 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
  • Headphone
    Patent number: D656125
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: March 20, 2012
    Assignee: Sony Corporation
    Inventors: Jun Komiyama, Sohei Kitayama
  • Headphone
    Patent number: D666990
    Type: Grant
    Filed: March 9, 2012
    Date of Patent: September 11, 2012
    Assignee: Sony Corporation
    Inventors: Jun Komiyama, Sohei Kitayama
  • Earphone
    Patent number: D668637
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: October 9, 2012
    Assignee: Sony Corporation
    Inventor: Sohei Kitayama
  • Earphone
    Patent number: D670274
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: November 6, 2012
    Assignee: Sony Corporation
    Inventors: Jun Katsumata, So Morimoto, Sohei Kitayama
  • Headphone
    Patent number: D677243
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: March 5, 2013
    Assignee: Sony Corporation
    Inventors: Sohei Kitayama, Emmanuelle Choteau
  • 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
  • Earphone
    Patent number: D683328
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 28, 2013
    Assignee: Sony Corporation
    Inventor: Sohei Kitayama
  • Headphone
    Patent number: D691583
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: October 15, 2013
    Assignee: Sony Corporation
    Inventor: Sohei Kitayama
  • Earphone
    Patent number: D701854
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: April 1, 2014
    Assignee: Sony Corporation
    Inventors: Jun Katsumata, So Morimoto, Sohei Kitayama