Patents by Inventor Hiroyo Yamamoto

Hiroyo Yamamoto 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).

  • Patent number: 11223709
    Abstract: An exchange capable of, when a failure occurs, preventing a service from deteriorating without requiring an operation performed by a user is provided. An exchange (1) includes a notification control unit (2) configured to, when the exchange enters an operating state, request a server apparatus to transmit a notification for making a predetermined application installed in a communication terminal registered in the server apparatus register the application in the exchange, and a terminal control unit (3) configured to register the predetermined application in the exchange.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: January 11, 2022
    Assignee: NEC Platforms, Ltd.
    Inventor: Hiroyo Yamamoto
  • Publication number: 20210195002
    Abstract: An exchange capable of, when a failure occurs, preventing a service from deteriorating without requiring an operation performed by a user is provided. An exchange (1) includes a notification control unit (2) configured to, when the exchange enters an operating state, request a server apparatus to transmit a notification for making a predetermined application installed in a communication terminal registered in the server apparatus register the application in the exchange, and a terminal control unit (3) configured to register the predetermined application in the exchange.
    Type: Application
    Filed: October 7, 2019
    Publication date: June 24, 2021
    Applicant: NEC Platforms, Ltd.
    Inventor: Hiroyo YAMAMOTO
  • Patent number: 6217875
    Abstract: Novel inhibitors of the enzyme action of lipoxygenase, especially 5-lipoxygenase and 12-lipoxygenase that are derived from the extraction of the seeds of the perilla (crispa) or perilla (frutescens) plant. These inhibitors are suitably extracted from these seeds using alcohol, preferably ethanol, to form an extract or more preferably to further extract the alcoholic extract with ethyl acetate and water to partition the active inhibitors to the ethyl acetate. The particularly preferred inhibitors are luteolin and chrysoeriol.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: April 17, 2001
    Assignee: Oryza Oil & Fat Chemical Co., Ltd.
    Inventors: Hiromichi Murai, Tadashi Okada, Hiroyo Yamamoto