Patents by Inventor Takeshi Hirane

Takeshi Hirane 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).

  • Porous membrane
    Publication number: 20020046970
    Abstract: An object of the present invention is to provide a porous membrane which has a superior separation performance and a high permeation performance, as well as a high mechanical physical property, in particular, a high tensile/rupture strength.
    Type: Application
    Filed: September 20, 2001
    Publication date: April 25, 2002
    Applicant: Mitsubishi Rayon Co., Ltd.
    Inventors: Kei Murase, Hideaki Habara, Hiroyuki Fujiki, Takeshi Hirane, Masahiko Mizuta