Patents by Inventor Jiro Yamanaka

Jiro Yamanaka 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).

  • Patent number: 8562320
    Abstract: A resin molding device which molds a resin tube 1 from a molten resin has a tube molding portion 14 and a spindle 15 as jigs which define inner and outer diameters of the resin tube.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: October 22, 2013
    Assignees: National University Corporation Tohoku University, Nichias Corporation
    Inventors: Tadahiro Ohmi, Yasuyuki Shirai, Jiro Yamanaka, Kengo Iwahara, Kouji Fukae
  • Publication number: 20090169789
    Abstract: A resin pipe has an inner layer made of a fluororesin, an intermediate layer of nylon, and an outermost layer made of a fluororesin and covering the intermediate layer.
    Type: Application
    Filed: December 24, 2008
    Publication date: July 2, 2009
    Inventors: Tadahiro Ohmi, Akinobu Teramoto, Keita Fushimi, Jiro Yamanaka, Masayuki Miyashita, Tomoharu Nishioka
  • Publication number: 20090107521
    Abstract: By adding a perfluoromonomer to PVDF being a fluororesin to soften it, the oxygen permeability can be significantly reduced and a flexible fluororesin tube can be obtained. The oxygen permeability can also be reduced by providing a nylon tube as an outer layer. The tube is used between a chemical solution or ultrapure water feeder and a chemical solution or ultrapure water utilizing apparatus such as a cleaning apparatus or a wet etching apparatus.
    Type: Application
    Filed: April 11, 2007
    Publication date: April 30, 2009
    Applicants: TOHOKU UNIVERSITY, TOKYO ELECTRON LIMITED
    Inventors: Tadahiro Ohmi, Akinobu Teramoto, Jiro Yamanaka, Nobutaka Mizutani, Osamu Nakamura, Takaaki Matsuoka, Ryoichi Ohkura
  • Publication number: 20070231523
    Abstract: In a resin pipe, PVDF being a fluororesin is softened by adding a perfluoromonomer thereto, so that the oxygen permeability can be significantly reduced. The oxygen permeability can also be reduced by providing a nylon tube as an outer layer.
    Type: Application
    Filed: March 28, 2007
    Publication date: October 4, 2007
    Inventors: Tadahiro Ohmi, Akinobu Teramoto, Jiro Yamanaka, Kengo Iwahara, Kouji Fukae