Patents by Inventor Hisashi Hamabe

Hisashi Hamabe 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).

  • Nonwoven fabric for semipermeable membrane support
    Patent number: 9889411
    Abstract: Provided is a nonwoven fabric for semipermeable membrane support, in which adhesiveness of a semipermeable membrane to a support is satisfactory, the thickness uniformity of the semipermeable membrane is satisfactory, and permeation-through of a coating liquid does not occur.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: February 13, 2018
    Assignee: HOKUETSU KISHU PAPER CO., LTD.
    Inventors: Toshihiko Soyama, Junji Nemoto, Hisashi Hamabe
  • NONWOVEN FABRIC FOR SEMIPERMEABLE MEMBRANE SUPPORT
    Publication number: 20150174535
    Abstract: Provided is a nonwoven fabric for semipermeable membrane support, in which adhesiveness of a semipermeable membrane to a support is satisfactory, the thickness uniformity of the semipermeable membrane is satisfactory, and permeation-through of a coating liquid does not occur.
    Type: Application
    Filed: January 11, 2013
    Publication date: June 25, 2015
    Inventors: Toshihiko Soyama, Junji Nemoto, Hisashi Hamabe
  • NONWOVEN FABRIC FOR SEMIPERMEABLE MEMBRANE SUPPORTING BODY AND METHOD FOR MANUFACTURING SAME
    Publication number: 20150004865
    Abstract: The present invention addresses the problem of providing a nonwoven fabric for semipermeable membrane supporting body, which gives fine MD curl when a semipermeable membrane coating liquid is coated on the supporting body (nonwoven fabric) and cured, and a method for producing the nonwoven fabric.
    Type: Application
    Filed: February 15, 2013
    Publication date: January 1, 2015
    Applicant: Hokuetsu Kishu Paper Co., Ltd.
    Inventors: Toshihiko Soyama, Junji Nemoto, Hisashi Hamabe
  • NON-WOVEN FABRIC FOR SEMIPERMEABLE MEMBRANE SUPPORT
    Publication number: 20140342626
    Abstract: Provided is a non-woven fabric for semipermeable membrane support, in which adhesiveness of a semipermeable membrane to a support is satisfactory, the thickness uniformity of the semipermeable membrane is satisfactory, and permeation-through of a coating liquid does not occur. Disclosed is a non-woven fabric for semipermeable membrane support containing organic synthetic fibers as a primary component, wherein a semipermeable membrane is to be supported by one surface of the non-woven fabric, wherein the coated surface to be coated with the semipermeable membrane and the non-coated surface that is opposite to the coated surface of the non-woven fabric both have a Bekk smoothness of 5 seconds or more, and the non-woven fabric has an internal bond strength in the sheet transverse direction in the range from 0.4 to 0.8 N·m.
    Type: Application
    Filed: January 29, 2013
    Publication date: November 20, 2014
    Inventors: Toshihiko Soyama, Junji Nemoto, Hisashi Hamabe