Patents by Inventor Tomoe Usami

Tomoe Usami 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).

  • Remote control for water heater
    Patent number: D832118
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 30, 2018
    Assignee: RINNAI CORPORATION
    Inventors: Hiroaki Higashijima, Katsunori Maegawa, Yoshikazu Kubo, Tomoe Usami
  • Water heater
    Patent number: D941972
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: January 25, 2022
    Assignee: RINNAI CORPORATION
    Inventors: Hiroaki Higashijima, Yoshikazu Kubo, Tomoe Usami, Eri Horii
  • Water heater
    Patent number: D957597
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: July 12, 2022
    Assignee: RINNAI CORPORATION
    Inventors: Hiroaki Higashijima, Yoshikazu Kubo, Tomoe Usami, Eri Horii