Patents by Inventor Yoko Akiyama

Yoko Akiyama 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: 20240128754
    Abstract: A startup method and startup program for microgrid that enable to stably start up the microgrid without producing frequency fluctuation is provided. An embodiment of the present disclosure is a startup method for microgrid configured by a plurality of inverter power supplies independently sharing a load and divided into a master that starts up first and a slave that starts up secondly and later, the startup method comprising: a master initial startup step of initially starting up the master in a CVCF mode; a slave initial startup step of initially starting up the slave in a grid interconnection mode; and a control mode changing step of the master and the slave changing control modes thereof when output fluctuation of the master and the slave becomes a predetermined threshold or less or when the master and the slave or other inverter power supplies become a predetermined operation state while output voltage of said master and said slave becomes a predetermined threshold or less.
    Type: Application
    Filed: February 19, 2021
    Publication date: April 18, 2024
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Yoko SAKAUCHI, Yukina AKIYAMA, Yuki KUDO, Shunsuke KAWACHI, Koji TOBA
  • Patent number: 6663883
    Abstract: This invention provides a matrix adhering to the nasal mucosa which allows improved transfer into the brain of a drug exerting its effect in the brain and is capable of continuously supplying the drug into the brain. This matrix contains a polyglycerol fatty acid ester, the drug exerting its effect in the brain, and a viscogenic substance.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: December 16, 2003
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoko Akiyama, Naoki Nagahara, Hiroto Bando