Patents by Inventor Hidekiyo HARA

Hidekiyo HARA 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).

  • Oily water separator, oil-water separating method and filtration membrane unit
    Patent number: 9981864
    Abstract: An oily water separator for removing oil from oil-containing water, including a vessel, a filtration membrane unit and a discharge mechanism, the filtration membrane unit containing a filtration membrane module and a returning mechanism, the filtration membrane module for performing filtration in the state of allowing the module to be immersed into the oil-containing water, the filtration membrane module having an elongated filtration membrane with an opening portion, the opening portion of the filtration membrane being fixed to one end of the filtration membrane module, the opening portion of the filtration membrane being communicatively connected to the returning mechanism, and the returning mechanism being extended along the filtration membrane toward an end on a side opposite to an end portion having the opening portion thereof, the returning mechanism being communicatively connected with the discharge mechanism.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: May 29, 2018
    Assignee: TOYO ENGINEERING CORPORATION
    Inventors: Masaaki Sakurai, Kenji Sakai, Hidekiyo Hara, Kanako Abe, Takashi Nomura
  • OILY WATER SEPARATOR, OIL-WATER SEPARATING METHOD AND FILTRATION MEMBRANE UNIT
    Publication number: 20150136697
    Abstract: An oily water separator for removing oil from oil-containing water, including a vessel, a filtration membrane unit and a discharge mechanism; the filtration membrane unit containing a filtration membrane module and a returning mechanism, the filtration membrane module for performing filtration in the state of allowing the module to be immersed into the oil-containing water; the filtration membrane module having an elongated filtration membrane with an opening portion, the opening portion of the filtration membrane being fixed to one end of the filtration membrane module, the opening portion of the filtration membrane being communicatively connected to the returning mechanism; the returning mechanism being extended along the filtration membrane toward an end on a side opposite to an end portion having the opening portion thereof, the returning mechanism being communicatively connected with the discharge mechanism.
    Type: Application
    Filed: November 14, 2014
    Publication date: May 21, 2015
    Inventors: Masaaki SAKURAI, Kenji SAKAI, Hidekiyo HARA, Kanako ABE, Takashi NOMURA