Patents by Inventor Kotaro Takahata

Kotaro Takahata 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).

  • Interphone
    Patent number: D686184
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: July 16, 2013
    Assignee: Aiphone Co., Ltd.
    Inventors: Kotaro Takahata, Katsuhiko Ibuki
  • Interphone
    Patent number: D717761
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: November 18, 2014
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D729760
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: May 19, 2015
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D744451
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: December 1, 2015
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D744452
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: December 1, 2015
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D752011
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: March 22, 2016
    Assignee: Airphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D752012
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: March 22, 2016
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D761752
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: July 19, 2016
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D765051
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: August 30, 2016
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D766204
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: September 13, 2016
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone master unit
    Patent number: D771007
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: November 8, 2016
    Assignee: AIPHONE CO., LTD.
    Inventor: Kotaro Takahata
  • Interphone master unit
    Patent number: D771008
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: November 8, 2016
    Assignee: AIPHONE CO., LTD.
    Inventor: Kotaro Takahata
  • Interphone collective entrance unit
    Patent number: D773428
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: December 6, 2016
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D842262
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: March 5, 2019
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D842263
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: March 5, 2019
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Interphone
    Patent number: D844582
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: April 2, 2019
    Assignee: Aiphone Co., Ltd.
    Inventor: Kotaro Takahata
  • Intercom
    Patent number: D864146
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: October 22, 2019
    Assignee: AIPHONE CO., LTD.
    Inventor: Kotaro Takahata
  • Intercom
    Patent number: D869424
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: December 10, 2019
    Assignee: Aiphone Co., Ltd.
    Inventors: Kotaro Takahata, Mitsuru Nagatsuka