Patents by Inventor Yukitoshi IWASA

Yukitoshi IWASA 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).

  • BLOWER AND VENTILATION SYSTEM
    Publication number: 20210071405
    Abstract: Provided is a blower installed at a manhole opening, with which it is possible to facilitate an entry or an exit of a worker or an import or an export of an article. The present invention provides a ventilation system comprising a frame and a single or a plurality of airflow generation means arranged at the frame, a direction of an airflow is adjusted so that the airflow generated from the airflow generation means flows along with a virtual axis penetrating a virtual surface which the frame is regarded as to periphery, and the airflow flows while swallowing up the surrounding air of the virtual axis, and an air volume more than two times of total fluid volume of the airflow is generated.
    Type: Application
    Filed: November 20, 2020
    Publication date: March 11, 2021
    Applicants: TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION, EBISMARINE CORPORATION, EBISTRADE, INC.
    Inventors: Yukitoshi IWASA, Hiroshi OGIWARA, Takaaki ODATE, Hikaru NAKAMURA, Ryoji TERAI
  • BLOWER AND VENTILATING SYSTEM
    Publication number: 20180087261
    Abstract: Provided is a blower installed at a manhole opening, with which it is possible to facilitate an entry or an exit of a worker or an import or an export of an article. The present invention provides a ventilation system comprising a frame and a single or a plurality of airflow generation means arranged at the frame, a direction of an airflow is adjusted so that the airflow generated from the airflow generation means flows along with a virtual axis penetrating a virtual surface which the frame is regarded as to periphery, and the airflow flows while swallowing up the surrounding air of the virtual axis, and an air volume more than two times of total fluid volume of the airflow is generated.
    Type: Application
    Filed: December 8, 2015
    Publication date: March 29, 2018
    Applicants: TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION, EBISMARINE CORPORATION, EBISTRADE, INC.
    Inventors: Yukitoshi IWASA, Hiroshi OGIWARA, Takaaki ODATE, Hikaru NAKAMURA, Ryoji TERAI