Patents by Inventor Kengo Iwahara

Kengo Iwahara 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: 10233370
    Abstract: A formed body including: a polytetrafluoroethylene or a modified polytetrafluoroethylene; and an unmodified polymerization inhibitor, the content of the unmodified polymerization inhibitor being 0.02 to 15 wt %.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: March 19, 2019
    Assignee: NICHIAS CORPORATION
    Inventors: Kengo Iwahara, Mitsuru Fujimoto, Katsutoyo Itoi, Michio Machii, Masaki Yokoya
  • Publication number: 20170114258
    Abstract: A formed body including: a polytetrafluoroethylene or a modified polytetrafluoroethylene; and an unmodified polymerization inhibitor, the content of the unmodified polymerization inhibitor being 0.02 to 15 wt %.
    Type: Application
    Filed: March 31, 2015
    Publication date: April 27, 2017
    Inventors: Kengo Iwahara, Mitsuru Fujimoto, Katsutoyo Itoi, Michio Machii, Masaki Yokoya
  • 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: 20110008028
    Abstract: Provided are a lamp and a heating device which are capable of effectively preventing a seal portion from being overheated with a simple structure. A lamp includes: a tube portion in which a filament including a coil portion is contained; a seal portion filled with a metal foil connected to an end of the filament; and an overheat preventing portion covering a part of an outer surface of the tube portion.
    Type: Application
    Filed: March 27, 2009
    Publication date: January 13, 2011
    Applicant: Nichias Corporation
    Inventors: Noriyuki Maeda, Kengo Iwahara
  • Publication number: 20080081139
    Abstract: To attain a multilayer tube excellent in chemical resistance, gas barrier property, and cleanness, the present invention provides a multilayer tube (1) comprising: a first layer (10) composed of a fluororesin; and a second layer (30) covering one surface of the first layer (10) and composed of a polyamide-based resin free of an additive.
    Type: Application
    Filed: September 21, 2007
    Publication date: April 3, 2008
    Applicants: NICHIAS CORPORATION, ASAHI GLASS COMPANY, LIMITED
    Inventors: Kengo Iwahara, Kouji Fukae, Eiichi Nishi, Takeshi Kurumisawa
  • 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