Patents by Inventor Kenichi Futami

Kenichi Futami 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).

  • Decontamination method and apparatus for solid-state material contaminated by radiocesium
    Patent number: 8987542
    Abstract: A decontamination method of solid-state material contaminated by radiocesium comprising bringing the solid-state material containing radiocesium in contact with a first processing solution and preferably eluting cesium ion from the solid-state material to the liquid phase under the presence of potassium ion or ammonium ion.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: March 24, 2015
    Assignees: Ebara Industrial Cleaning Co., Ltd., Swing Corporation
    Inventors: Tomokazu Sekine, Tatsuo Shimomura, Takahiro Miama, Daichi Sakashita, Kenichi Futami
  • DECONTAMINATION METHOD AND APPARATUS FOR SOLID-STATE MATERIAL CONTAMINATED BY RADIOCESIUM
    Publication number: 20130237741
    Abstract: A decontamination method of solid-state material contaminated by radiocesium comprising bringing the solid-state material containing radiocesium in contact with a first processing solution and preferably eluting cesium ion from the solid-state material to the liquid phase under the presence of potassium ion or ammonium ion.
    Type: Application
    Filed: November 7, 2012
    Publication date: September 12, 2013
    Applicants: Swing Corporation, Ebara Industrial Cleaning Co., Ltd.
    Inventors: Tomokazu Sekine, Tatsuo Shimomura, Takahiro Miama, Daichi Sakashita, Kenichi Futami
  • Hollow fiber membrane module
    Patent number: 8197688
    Abstract: There is provided a hollow fiber membrane module (1) comprising: a membrane bundle (20) of a plurality of hollow fiber membranes (10); a cylindrical body (30) housing the membrane bundle (20); a fixing portion (40, 50) in which at least one end of the membrane bundle (20) is fixed to the cylindrical body (30); and a raw water outflow nozzle (34) for allowing raw water to flow out from the vicinity of the fixing portion (40). Raw water supplied into the cylindrical body (30) is allowed to permeate from the outside into the inside of each hollow fiber membrane (10). A soft potting portion (42) has, in its surface to be in contact with raw water, at least one groove (43).
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: June 12, 2012
    Assignee: Hainan Litree Purifying Tech Co., Ltd.
    Inventors: Daichi Sakashita, Yoshihide Kaiya, Masazumi Oba, Kenichi Futami, Junichi Hayakawa, Lianggang Chen, Qing Chen
  • Hollow Fiber Membrane Module
    Publication number: 20090218274
    Abstract: There is provided a hollow fiber membrane module (1) comprising: a membrane bundle (20) of a plurality of hollow fiber membranes (10); a cylindrical body (30) housing the membrane bundle (20); a fixing portion (40, 50) in which at least one end of the membrane bundle (20) is fixed to the cylindrical body (30); and a raw water outflow nozzle (34) for allowing raw water to flow out from the vicinity of the fixing portion (40). Raw water supplied into the cylindrical body (30) is allowed to permeate from the outside into the inside of each hollow fiber membrane (10). A soft potting portion (42) has, in its surface to be in contact with raw water, at least one groove (43).
    Type: Application
    Filed: November 27, 2006
    Publication date: September 3, 2009
    Inventors: Daichi Sakashita, Yoshihide Kaiya, Masazumi Oba, Kenichi Futami, Junichi Hayakawa, Lianggang Chen, Qing Chen