Patents by Inventor Masazumi Shiraki

Masazumi Shiraki 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).

  • Digital video disk player
    Patent number: D531971
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: November 14, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masazumi Shiraki, Ken Suzuki
  • Television receiver
    Patent number: D562788
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: February 26, 2008
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takashi Asanuma, Masazumi Shiraki
  • Digital video disk player
    Patent number: D485245
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: January 13, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masazumi Shiraki, Hidemitsu Chikaraishi
  • Portion of digital audio player
    Patent number: D489051
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: April 27, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masazumi Shiraki, Yuji Katayama, Toshiaki Takama
  • Digital audio player
    Patent number: D489052
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: April 27, 2004
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masazumi Shiraki, Yuji Katayama, Toshiaki Takama
  • Television receiver
    Patent number: D576122
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: September 2, 2008
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takeshi Suzuki, Masazumi Shiraki, Hideto Shimizu
  • Television receiver
    Patent number: D308370
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: June 5, 1990
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Masazumi Shiraki
  • Television set with a digital video disk player
    Patent number: D594830
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: June 23, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masazumi Shiraki, Masao Isshiki
  • Television receiver
    Patent number: D620462
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: July 27, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masazumi Shiraki, Hideto Shimizu