Patents by Inventor Katsuya AKITOMO

Katsuya AKITOMO 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: 20220304197
    Abstract: When a plurality of fans in a first controller (any of controllers) become activation start objects and a plurality of fans in a second controller (a controller in a predetermined relative positional relationship with the first controller) are positively rotating, the first controller sets a level of a rotational speed of the plurality of fans in the first controller to a first level and the second controller keeps a level of a rotational speed of the plurality of fans in the second controller at a second level that is equal or higher than the first level.
    Type: Application
    Filed: September 8, 2021
    Publication date: September 22, 2022
    Applicant: HITACHI, LTD.
    Inventors: Katsuya AKITOMO, Tsubasa MATSUSHITA, Naoki WADA, Sho IKEDA