Patents by Inventor Ryuji Tonohori

Ryuji Tonohori 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).

  • Wrist watch
    Patent number: D519855
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: May 2, 2006
    Assignee: Citizen Tokei Kabushiki Kaisha
    Inventor: Ryuji Tonohori
  • Wrist watch case
    Patent number: D519856
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: May 2, 2006
    Assignee: Citizen Tokei Kabushiki Kaisha
    Inventor: Ryuji Tonohori
  • Wrist watch
    Patent number: D521879
    Type: Grant
    Filed: March 7, 2005
    Date of Patent: May 30, 2006
    Assignee: Citizen Tokei Kabushiki Kaisha
    Inventor: Ryuji Tonohori
  • Wrist watch
    Patent number: D554536
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: November 6, 2007
    Assignee: Citizen Holdings Co., Ltd.
    Inventors: Ryuji Tonohori, Nobuhisa Kizaki
  • Wrist watch
    Patent number: D594351
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: June 16, 2009
    Assignee: Citizen Tokei Kabushiki Kaisha
    Inventor: Ryuji Tonohori
  • Wrist watch body
    Patent number: D618119
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: June 22, 2010
    Assignees: Citizen Holdings Co., Ltd., Citizen Watch Co., Ltd.
    Inventor: Ryuji Tonohori
  • Wrist watch case
    Patent number: D365028
    Type: Grant
    Filed: February 22, 1995
    Date of Patent: December 12, 1995
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Ryuji Tonohori
  • Wrist watch case with band
    Patent number: D640144
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: June 21, 2011
    Assignees: Citizen Holdings Co., Ltd., Citizen Watch Co., Ltd.
    Inventor: Ryuji Tonohori
  • Wrist watch case
    Patent number: D382491
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: August 19, 1997
    Assignee: Citizen Watch Co.
    Inventor: Ryuji Tonohori
  • Wrist watch
    Patent number: D667316
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: September 18, 2012
    Assignees: Citizen Holdings Co., Ltd., Citizen Watch Co., Ltd.
    Inventor: Ryuji Tonohori
  • Wrist watch
    Patent number: D708074
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: July 1, 2014
    Assignees: Citizen Holdings Co., Ltd, Citizen Watch Co., Ltd
    Inventor: Ryuji Tonohori
  • Wrist watch
    Patent number: D762490
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: August 2, 2016
    Assignees: CITIZEN HOLDINGS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventor: Ryuji Tonohori
  • Wrist watch
    Patent number: D793879
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: August 8, 2017
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Ryuji Tonohori
  • Watch dial
    Patent number: D812509
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 13, 2018
    Assignee: CITIZEN WATCH CO., LTD.
    Inventor: Ryuji Tonohori
  • Watchcase
    Patent number: D822508
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: July 10, 2018
    Assignee: CITIZEN WATCH CO., LTD.
    Inventor: Ryuji Tonohori
  • Watchcase
    Patent number: D848284
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: May 14, 2019
    Assignee: CITIZEN WATCH CO., LTD.
    Inventor: Ryuji Tonohori
  • Watchcase
    Patent number: D913122
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: March 16, 2021
    Assignee: Citizen Watch Co., Ltd.
    Inventor: Ryuji Tonohori