Patents by Inventor Yutaro Iyama

Yutaro Iyama 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).

  • Underwater communication device and underwater communication method
    Patent number: 12021569
    Abstract: The invention is to provide an underwater communication device and an underwater communication method that can be applied to mobile communication in water. An underwater communication device 10 includes: a transmitter 12 configured to transmit an electric signal; and a receiver 14 arranged away from the transmitter 12 via water and configured to receive the electric signal, in which the receiver 14 includes an field effect transistor 23 having a channel region 39 provided at a position in contact with the water, and a drive circuit 26 configured to generate a potential difference between a source region 31 and a drain region 33 of the field effect transistor 23.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: June 25, 2024
    Assignee: WASEDA UNIVERSITY
    Inventors: Hiroshi Kawarada, Yutaro Iyama, Miki Kajiya, Kaito Tadenuma, Yukihiro Shintani
  • UNDERWATER COMMUNICATION DEVICE AND UNDERWATER COMMUNICATION METHOD
    Publication number: 20220014279
    Abstract: The invention is to provide an underwater communication device and an underwater communication method that can be applied to mobile communication in water. An underwater communication device 10 includes: a transmitter 12 configured to transmit an electric signal; and a receiver 14 arranged away from the transmitter 12 via water and configured to receive the electric signal, in which the receiver 14 includes an field effect transistor 23 having a channel region 39 provided at a position in contact with the water, and a drive circuit 26 configured to generate a potential difference between a source region 31 and a drain region 33 of the field effect transistor 23.
    Type: Application
    Filed: August 30, 2019
    Publication date: January 13, 2022
    Inventors: Hiroshi Kawarada, Yutaro Iyama, Miki Kajiya, Kaito Tadenuma, Yukihiro Shintani