Patents by Inventor Yasuaki Isonaga

Yasuaki Isonaga 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).

  • Wireless telephone
    Patent number: D439233
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: March 20, 2001
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Wireless telephone
    Patent number: D440546
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: April 17, 2001
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Charger for a wireless telephone
    Patent number: D442158
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: May 15, 2001
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Charger for wireless telephone
    Patent number: D442545
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: May 22, 2001
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Charger for wireless telephone
    Patent number: D452213
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: December 18, 2001
    Assignee: Sony Corporation
    Inventors: Koji Shindo, Yasuaki Isonaga, Christopher Frank
  • Charger for a wireless telephone
    Patent number: D452676
    Type: Grant
    Filed: July 25, 2001
    Date of Patent: January 1, 2002
    Assignee: Sony Corporation
    Inventors: Koji Shindo, Yasuaki Isonaga, Christopher Frank
  • Speaker box
    Patent number: D392289
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: March 17, 1998
    Assignee: Sony Kabushiki Kaisha
    Inventor: Yasuaki Isonaga
  • Optical magnetic disc player combined with radio receiver and tape recorder
    Patent number: D396859
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: August 11, 1998
    Assignee: Sony Kabushiki Kaisha
    Inventor: Yasuaki Isonaga
  • Radio receiver
    Patent number: D401937
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: December 1, 1998
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Telephone
    Patent number: D414181
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: September 21, 1999
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Combined radio receiver and clock
    Patent number: D415760
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: October 26, 1999
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Remote controller
    Patent number: D417665
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: December 14, 1999
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Wireless telephone
    Patent number: D421006
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: February 22, 2000
    Assignee: Sony Corporation
    Inventors: Koji Shindo, Yasuaki Isonaga, Christopher Frank
  • Pager
    Patent number: D421013
    Type: Grant
    Filed: December 24, 1997
    Date of Patent: February 22, 2000
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Cordless telephone
    Patent number: D421258
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: February 29, 2000
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Disc player combined with radio
    Patent number: D430135
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: August 29, 2000
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Charger for a wireless telephone
    Patent number: D432106
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: October 17, 2000
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Charger for wireless telephone
    Patent number: D432107
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: October 17, 2000
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Wireless telephone
    Patent number: D432108
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: October 17, 2000
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga
  • Charger for a wireless telephone
    Patent number: D435531
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: December 26, 2000
    Assignee: Sony Corporation
    Inventor: Yasuaki Isonaga