Patents by Inventor Takashi Tarao

Takashi Tarao 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 containing fine fiber, and a filter material
    Publication number: 20010029138
    Abstract: A nonwoven fabric prepared from fibers which are not substantially fibrillated and have a diameter of less than 20 &mgr;m, by fusing a fiber web comprising fine fibers having a diameter of 4 &mgr;m or less, and adhesive fibers having a diameter ranging from 8 &mgr;m to less than 20 &mgr;m, wherein a maximum pore size in the nonwoven fabric is not more than twice a mean flow pore size of the nonwoven fabric is disclosed.
    Type: Application
    Filed: May 17, 2001
    Publication date: October 11, 2001
    Applicant: Japan Vilene Company
    Inventors: Toshio Aikawa, Noriko Miyaguchi, Takashi Tarao, Hitoshi Kobayashi
  • Nonwoven fabric containing fine fibers, and a filter material
    Patent number: 6284680
    Abstract: A nonwoven fabric prepared from fibers which are not substantially fibrillated and have a diameter of less than 20 &mgr;m, by fusing a fiber web comprising fine fibers having a diameter of 4 &mgr;m or less, and adhesive fibers having a diameter ranging from 8 &mgr;m to less than 20 &mgr;m, wherein a maximum pore size in the nonwoven fabric is not more than twice the mean flow pore size of the nonwoven fabric is disclosed.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: September 4, 2001
    Assignee: Japan Vilene Company
    Inventors: Toshio Aikawa, Noriko Miyaguchi, Takashi Tarao, Hitoshi Kobayashi