Patents by Inventor Shigesaburo Komatsu

Shigesaburo Komatsu 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).

  • Method for removing organic material in oilfield produced water and a removal device therefor
    Patent number: 7662295
    Abstract: A method and an apparatus for removing dissolved organic substances from an oily water obtained as a by-product from an oilfield, characterized in that an oily water obtained as a by-product from an oilfield by separating a crude oil from a crude oil/brine mixture is brought into contact with an adsorbent to adsorptively remove organic substances dissolved in the water containing oil suspended therein and that the adsorbent is regenerated.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: February 16, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Toshiaki Arato, Hidehiro Iizuka, Akira Mochizuki, Tomoko Suzuki, Akio Honji, Shigesaburo Komatsu, Hisashi Isogami, Hiroshi Sasaki
  • Method for Removing Organic Material in Oilfield Produced Water and a Removal Device Therefor
    Publication number: 20080023401
    Abstract: A method and a device for removing dissolved organic material in oilfield produced water which are characterized by bringing an adsorbent into contact with oilfield produced water obtained by separation of crude oil from a mixture of crude oil and salt water, adsorbing and removing dissolved organic material in the emulsion, and regenerating the adsorbent.
    Type: Application
    Filed: November 1, 2005
    Publication date: January 31, 2008
    Applicant: HITACHI, LTD.
    Inventors: Toshiaki Arato, Hidehiro Iizuka, Akira Mochizuki, Tomoko Suzuki, Akio Honji, Shigesaburo Komatsu, Hisashi Isogami, Hiroshi Sasaki