Patents by Inventor Kusuo OTA

Kusuo OTA 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).

  • METHOD FOR PRODUCING WATER-SOLUBLE POLYMER AND METHOD FOR PRODUCING WATER-ABSORBING RESIN
    Publication number: 20240367147
    Abstract: The present invention provides a method for producing a water-soluble polymer with high production efficiency, and a method for producing a water-absorbing resin having excellent water absorption performance. The present invention relates to a method for producing a water-soluble polymer, comprising: (a1) reducing the molecular weight of a starch to obtain a partially degraded starch; and (a2) introducing an ionic functional group into the partially degraded starch obtained in the step (a1).
    Type: Application
    Filed: March 31, 2022
    Publication date: November 7, 2024
    Inventors: Kusuo OTA, Takahiro NOZAKI, Atsushi TANAKA, Tetsuya HOSOMI, Tomoyuki NISHIMOTO, Manabu MIYATA
  • WATER-ABSORBING RESIN
    Publication number: 20240199821
    Abstract: The present invention provides a water-absorbing resin that is excellent in water absorption performance and is easy to be degraded. The present invention relates to a water-absorbing resin, which is a crosslinked product of a glucose polymer and forms a physical gel upon absorption of water, wherein the glucose polymer is a starch or a partially degraded starch, with an acidic group introduced therein.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 20, 2024
    Inventors: Kusuo OTA, Takahiro NOZAKI, Atsushi TANAKA, Tetsuya HOSOMI, Tomoyuki NISHIMOTO, Manabu MIYATA
  • CONDUCTIVE BRIDGE MEMORY DEVICE, MANUFACTURING METHOD THEREOF, AND SWITCHING DEVICE
    Publication number: 20220254998
    Abstract: A conductive bridge memory device includes a memory cell including a first metal layer; a second metal layer; a first insulator layer having a first surface facing the first metal layer and a second surface facing the second metal layer and being a surface opposite to the first surface, and having a through hole penetrating between the first surface and the second surface; and a liquid layer being formed of liquid containing a liquid electrolyte impregnated in the through hole.
    Type: Application
    Filed: August 28, 2020
    Publication date: August 11, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NAGASE & CO., LTD.
    Inventors: Toshiyuki ITOH, Toshiki NOKAMI, Kentaro KINOSHITA, Hisashi SHIMA, Yasuhisa NAITOH, Hiroyuki AKINAGA, Hiroshi SATOU, Shigeki MORII, Kusuo OTA, Atsushi TANAKA