Patents by Inventor Minoru Kashino

Minoru Kashino 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).

  • Process for producing a porous film
    Patent number: 5073316
    Abstract: A process for producing a porous film comprising polyolefin resin, a filler and an ester of dipentaerythritol having a ratio 3 to 70% residual OH groups.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: December 17, 1991
    Assignees: Mitsubishi Kasei Vinyl Company, Mitsubishi Kasei Corporation
    Inventors: Kunio Bizen, Minoru Kashino, Tasuku Suzuki, Ryuichi Hasegawa, Koji Hayashi
  • Porous film
    Patent number: 5015521
    Abstract: Disclosed herein is a porous film having a thickness of 90 .mu.m or less obtained by uniaxially stretching a film produced by blow-extruding a composition comprising a linear polyethylene, filler and a radical forming agent, the bending resistance of the porous film in both the machine and transverse directions being 50 mm or less, the moisture permeability of the porous film being 1500 g/m.sup.2 .multidot.24 hr or above, and the surface strength of the porous film satisfying the following relation (I):Surface strength (kg).gtoreq.35.times.film thickness (mm) (I)and the process for producing the porous film defined above.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: May 14, 1991
    Assignee: Mitsubishi Kasei Corporation
    Inventors: Toshio Fujii, Kazuhiro Kato, Tasuku Suzuki, Minoru Kashino