Patents by Inventor Sho MASUI

Sho MASUI 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).

  • Desalination performance restoration agent for cellulose acetate membrane and desalination performance restoration method for cellulose acetate membrane
    Patent number: 12005399
    Abstract: A desalination performance restoration agent for a cellulose acetate membrane contains: a solvent; and a modified polyvinyl alcohol mixed in the solvent. The modified polyvinyl alcohol has an acetyl group structure in at least part of polyvinyl alcohol.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: June 11, 2024
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., KYOEISHA CHEMICAL CO., LTD.
    Inventors: Takayoshi Hori, Katsunori Matsui, Sho Yokogawa, Yoshiaki Ito, Ryo Kamito, Yoshihisa Katsunishi, Atsuyoshi Ueda, Takahiro Masui
  • ISOLATOR
    Publication number: 20240146246
    Abstract: In an isolator, frequency mixers are connected to each other in tandem, a local oscillator is connected to both of the frequency mixers and configured to input a local signal with the same frequency to both of the frequency mixers, the frequency of the signal input to one of the frequency mixers is up-converted by the local signal, then input to the other of the frequency mixers and down-converted, a phase delayer is configured to delay the phase of the signal with the frequency up-converted by the frequency mixer, and a phase shifter is configured to convert the phase of the local signal to cause the phase difference between the two frequency mixers.
    Type: Application
    Filed: October 11, 2023
    Publication date: May 2, 2024
    Inventors: Takafumi KOJIMA, Sho MASUI, Yoshinori UZAWA