Patents by Inventor Keishiro Yamamoto

Keishiro Yamamoto 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: D807202
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: January 9, 2018
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventor: Keishiro Yamamoto
  • Watch case
    Patent number: D897866
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: October 6, 2020
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventor: Keishiro Yamamoto
  • Watch case
    Patent number: D923491
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: June 29, 2021
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Keishiro Yamamoto, Iichiro Hashimoto
  • Wearable information terminal
    Patent number: D936051
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 16, 2021
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Keishiro Yamamoto, Iichiro Hashimoto
  • Wearable information terminal
    Patent number: D938417
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: December 14, 2021
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Keishiro Yamamoto, Iichiro Hashimoto
  • Watch case
    Patent number: D952495
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: May 24, 2022
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Keishiro Yamamoto, Iichiro Hashimoto
  • Watch case
    Patent number: D1015189
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: February 20, 2024
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Keishiro Yamamoto, Iichiro Hashimoto