Patents by Inventor Takamasa KINOSHITA

Takamasa KINOSHITA 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).

  • Publication number: 20230194466
    Abstract: The present invention appropriately determines a time to replace a responsive glass membrane for measuring a sample containing hydrofluoric acid. A measurement device for measuring a hydrogen ion concentration of a liquid sample containing hydrofluoric acid, the measurement device including a glass electrode that measures a hydrogen ion concentration in the liquid sample, the glass electrode including a responsive glass membrane, a membrane resistance measurement unit that measures a membrane resistance value of the responsive glass membrane, a temperature measurement unit that measures a temperature of an environment in which the responsive glass membrane is disposed, and an output unit that outputs a replacement index for replacing the responsive glass membrane based on the membrane resistance value and the temperature.
    Type: Application
    Filed: April 9, 2021
    Publication date: June 22, 2023
    Inventors: Takamasa KINOSHITA, Yuichi ITO, Yuji NISHIO