Patents by Inventor Yudai HOSHI

Yudai HOSHI 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).

  • Patent number: 11563386
    Abstract: Provided are an electromechanical transducer including a light movable member that is easy to move and charged portions whose amount of electrostatic charge does not substantially change over time and a method for manufacturing such an electromechanical transducer.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: January 24, 2023
    Assignee: CITIZEN WATCH CO., LTD.
    Inventors: Tomoo Ikeda, Izumi Yamamoto, Takuya Shirai, Yudai Hoshi
  • Publication number: 20220026853
    Abstract: Provided is a wristwatch, including: an exterior case including a back cover; a moisture absorbent sheet to be provided on an inner surface of the back cover; and a holding sheet configured to adhere to the inner surface of the back cover around the moisture absorbent sheet and cover an edge of the moisture absorbent sheet, to thereby hold the moisture absorbent sheet such that the moisture absorbent sheet is allowed to absorb moisture.
    Type: Application
    Filed: October 18, 2019
    Publication date: January 27, 2022
    Inventors: Masato TAKAHASHI, Toshinari MAEDA, Makoto WATANABE, Yudai HOSHI
  • Publication number: 20210367535
    Abstract: Provided are an electromechanical transducer including a light movable member that is easy to move and charged portions whose amount of electrostatic charge does not substantially change over time and a method for manufacturing such an electromechanical transducer.
    Type: Application
    Filed: October 5, 2018
    Publication date: November 25, 2021
    Inventors: Tomoo IKEDA, Izumi YAMAMOTO, Takuya SHIRAI, Yudai HOSHI