Patents by Inventor Toshiaki Ichii

Toshiaki Ichii 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).

  • Measurement fluctuation suppressing pressure sensor device
    Patent number: 10718679
    Abstract: A pressure sensor device with good temperature characteristics. An auxiliary fluid introduction path is provided in a bottom wall portion of a first case to introduce a fluid to the vicinity of a recessed portion of the bottom wall portion where an integrated circuit with a large change in temperature characteristics is mounted such that the temperature of the integrated circuit becomes the same as or close to the temperature of the fluid.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: July 21, 2020
    Assignee: HOKURIKU ELECTRIC INDUSTRY CO., LTD.
    Inventors: Hiroyuki Sawamura, Toshiaki Ichii
  • PRESSURE SENSOR DEVICE
    Publication number: 20190137351
    Abstract: A pressure sensor device with good temperature characteristics. An auxiliary fluid introduction path is provided in a bottom wall portion of a first case to introduce a fluid to t he vicinity of a recessed portion of the bottom wall portion where an integrated circuit with a large change in temperature characteristics is mounted such that the temperature of the integrated circuit becomes the same as or close to the temperature of the fluid.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 9, 2019
    Inventors: Hiroyuki Sawamura, Toshiaki Ichii