Patents by Inventor Kenji Ikeno

Kenji Ikeno 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).

  • Vacuum cleaner
    Patent number: D435945
    Type: Grant
    Filed: August 3, 1999
    Date of Patent: January 2, 2001
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenji Ikeno, Kazuhiko Nakano, Tetsuro Wada, Masaharu Katayama
  • Electric vacuum cleaner
    Patent number: D501965
    Type: Grant
    Filed: December 15, 2003
    Date of Patent: February 15, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenji Ikeno, Sei Takahashi, Noriyuki Imanisi
  • Electric vacuum cleaner
    Patent number: D510465
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: October 4, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Sei Takahashi, Kenji Ikeno, Kazuhiko Nakano
  • Electric vacuum cleaner
    Patent number: D451252
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: November 27, 2001
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenji Ikeno, Kazuhiko Nakano, Hiroko Tsuchida
  • Body of electric vacuum cleaner
    Patent number: D530469
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: October 17, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Kenji Ikeno
  • Body of electric vacuum cleaner
    Patent number: D530470
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: October 17, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenji Ikeno, Fumizo Kimoto, Sei Takahashi
  • Vacuum cleaner
    Patent number: D462813
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: September 10, 2002
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuhiko Nakano, Kenji Ikeno, Sei Takahashi
  • Electric vacuum cleaner
    Patent number: D533696
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: December 12, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenji Ikeno, Sei Takahashi
  • Electric vacuum cleaner
    Patent number: D533697
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: December 12, 2006
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenji Ikeno, Sei Takahashi, Toshihide Nagamine
  • Nozzle of electric vacuum cleaner
    Patent number: D543669
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: May 29, 2007
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenji Ikeno, Noriyuki Mori
  • Electric vacuum cleaner
    Patent number: D612114
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: March 16, 2010
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Kenji Ikeno
  • Vacuum cleaner
    Patent number: D399619
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: October 13, 1998
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuhiko Nakano, Kenji Ikeno