Patents by Inventor Tatsuki OHNO

Tatsuki OHNO 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).

  • Uninterruptible power supply system and uninterruptible power supply
    Patent number: 11539237
    Abstract: An uninterruptible power supply system includes a plurality of uninterruptible power supplies, each of which includes a rectifier and an inverter and switches between a normal operation mode for normal operation and a load simulation mode for simulating a load.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: December 27, 2022
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Tatsuki Ohno, Kazuyoshi Umezawa, Masao Takeuchi
  • UNINTERRUPTIBLE POWER SUPPLY SYSTEM AND UNINTERRUPTIBLE POWER SUPPLY
    Publication number: 20210391745
    Abstract: An uninterruptible power supply system includes a plurality of uninterruptible power supplies, each of which includes a rectifier and an inverter and switches between a normal operation mode for normal operation and a load simulation mode for simulating a load.
    Type: Application
    Filed: June 7, 2021
    Publication date: December 16, 2021
    Inventors: Tatsuki OHNO, Kazuyoshi UMEZAWA, Masao TAKEUCHI