Patents by Inventor Masao AWATSU

Masao AWATSU 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).

  • Sensor apparatus and sensor system
    Patent number: 11359940
    Abstract: To provide a sensor apparatus and sensor system using a low-power input source such as a microbial fuel cell, provided is a sensor apparatus including a microbial fuel cell; a boosting DC-DC circuit that operates based on an input voltage from the microbial fuel cell and boosts the input voltage; a power storage element that stores power output from the boosting DC-DC circuit; and a sensor element that operates based on power output from the power storage element, as well as a sensor system that includes this sensor apparatus and a wireless communication apparatus.
    Type: Grant
    Filed: January 3, 2021
    Date of Patent: June 14, 2022
    Assignee: Asahi Kasei Microdevices Corporation
    Inventors: Masao Awatsu, Hirofumi Iwasaki, Teppei Hayashi
  • SENSOR APPARATUS AND SENSOR SYSTEM
    Publication number: 20210123776
    Abstract: To provide a sensor apparatus and sensor system using a low-power input source such as a microbial fuel cell, provided is a sensor apparatus including a microbial fuel cell; a boosting DC-DC circuit that operates based on an input voltage from the microbial fuel cell and boosts the input voltage; a power storage element that stores power output from the boosting DC-DC circuit; and a sensor element that operates based on power output from the power storage element, as well as a sensor system that includes this sensor apparatus and a wireless communication apparatus.
    Type: Application
    Filed: January 3, 2021
    Publication date: April 29, 2021
    Inventors: Masao AWATSU, Hirofumi IWASAKI, Teppei HAYASHI
  • SENSOR APPARATUS AND SENSOR SYSTEM
    Publication number: 20190265080
    Abstract: To provide a sensor apparatus and sensor system using a low-power input source such as a microbial fuel cell, provided is a sensor apparatus including a microbial fuel cell; a boosting DC-DC circuit that operates based on an input voltage from the microbial fuel cell and boosts the input voltage; a power storage element that stores power output from the boosting DC-DC circuit; and a sensor element that operates based on power output from the power storage element, as well as a sensor system that includes this sensor apparatus and a wireless communication apparatus.
    Type: Application
    Filed: February 26, 2019
    Publication date: August 29, 2019
    Inventors: Masao AWATSU, Hirofumi IWASAKI, Teppei HAYASHI