Patents Assigned to Toa Kabushiki Kaisha
  • Speaker box
    Patent number: D516543
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: March 7, 2006
    Assignee: Toa Kabushiki Kaisha
    Inventor: Hiroshi Kubota
  • Amplifier housing
    Patent number: D522998
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: June 13, 2006
    Assignee: Toa Kabushiki Kaisha/Toa Corporation
    Inventors: Shoji Ito, Hirohiko Yukimoto, Herbert Pfeifer
  • Speaker box
    Patent number: D523418
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: June 20, 2006
    Assignee: TOA Kabushiki Kaisha
    Inventor: Hiroshi Kubota
  • Loudspeaker housing
    Patent number: D531986
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: November 14, 2006
    Assignee: Toa Kabushiki Kaisha/Toa Corporation
    Inventors: Shin Azumi, Ken Iwayama
  • Loudspeaker
    Patent number: D492286
    Type: Grant
    Filed: May 1, 2003
    Date of Patent: June 29, 2004
    Assignee: TOA Kabushiki Kaisha
    Inventors: Shin Azumi, Ken Iwayama, Takashi Nishino
  • Telephone set
    Patent number: D327065
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: June 16, 1992
    Assignee: Toa Kabushiki Kaisha/Toa Corporation
    Inventors: Narumi Tada, Kaoru Matsuda
  • Amplifier
    Patent number: D347844
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: June 14, 1994
    Assignee: Toa Kabushiki Kaisha
    Inventor: Noriyuki Diachyo
  • Amplifier
    Patent number: D349702
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: August 16, 1994
    Assignee: Toa Kabushiki Kaisha
    Inventor: Noriyuki Daichyo
  • Loudspeaker
    Patent number: D432521
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: October 24, 2000
    Assignee: Toa Kabushiki Kaisha
    Inventor: Shin Azumi
  • Loudspeaker
    Patent number: D433402
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: November 7, 2000
    Assignee: Toa Kabushiki Kaisha
    Inventor: Shin Azumi