Patents by Inventor Seiji Syoubayashi

Seiji Syoubayashi 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).

  • Watch case
    Patent number: D504328
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: April 26, 2005
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventor: Seiji Syoubayashi
  • Watch case
    Patent number: D442499
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: May 22, 2001
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventor: Seiji Syoubayashi
  • Watch case
    Patent number: D452169
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: December 18, 2001
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventor: Seiji Syoubayashi
  • Watch case with band
    Patent number: D526910
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: August 22, 2006
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventor: Seiji Syoubayashi
  • Wrist watch
    Patent number: D658080
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 24, 2012
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Seiji Syoubayashi, Atsushi Goto
  • Wrist watch
    Patent number: D663222
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: July 10, 2012
    Assignee: Casio Computer Co., Ltd.
    Inventors: Toshio Nakai, Seiji Syoubayashi
  • Wrist watch
    Patent number: D664450
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: July 31, 2012
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventor: Seiji Syoubayashi
  • Wrist watch
    Patent number: D740137
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: October 6, 2015
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventor: Seiji Syoubayashi
  • Wrist watch
    Patent number: D742253
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: November 3, 2015
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Seiji Syoubayashi, Hayato Ikezu
  • Wrist watch
    Patent number: D742762
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: November 10, 2015
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventor: Seiji Syoubayashi
  • Wrist watch
    Patent number: D817192
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: May 8, 2018
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventor: Seiji Syoubayashi
  • Wrist watch
    Patent number: D874948
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: February 11, 2020
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventor: Seiji Syoubayashi
  • Watch case
    Patent number: D912534
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: March 9, 2021
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Takao Matsuda, Seiji Syoubayashi