Patents by Inventor Takafumi Iwano

Takafumi Iwano 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).

  • Coating liquid for covering glass fiber and rubber-reinforcing glass fiber using same
    Patent number: 9091325
    Abstract: There is disclosed a glass-fiber coating liquid for forming a coating layer on a glass fiber cord, prepared in the form of an emulsion consisting essentially of a monohydroxybenzene-formaldehyde resin (A) obtained by reaction of monohydroxybenzene (D) and formaldehyde (E), a vinylpyridine-styrene-butadiene copolymer (B) having a vinylpyridine monomer content of 17 to 35% by mass, a styrene monomer content of 20 to 40% by mass and a butadiene monomer content of 35 to 60% by mass, a chlorosulfonated polyethylene (C), an acrylonitrile-butadiene rubber (P); at least one of an antioxidant, a pH adjuster and a stabilizer; and water.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: July 28, 2015
    Assignee: Central Glass Company, Limited
    Inventors: Takafumi Iwano, Katsuhiko Ogaki, Minekazu Kohama, Kazuhiro Yamamoto
  • Coating liquid for coating glass fiber and rubber-reinforcing glass fiber using the same
    Patent number: 8956723
    Abstract: A coating liquid for coating glass fiber cords, containing: a chlorophenol-formaldehyde condensate (A) obtained by condensing a chlorophenol (D) and formaldehyde (E) in water; an emulsion of a vinylpyridine-styrene-butadiene copolymer (B); and an emulsion of a chlorosulfonated polyethylene (C).
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: February 17, 2015
    Assignee: Central Glass Company, Limited
    Inventors: Katsuhiko Ogaki, Toshiya Monden, Takafumi Iwano
  • Coating Liquid for Covering Glass Fiber and Rubber-Reinforcing Glass Fiber Using Same
    Publication number: 20130231207
    Abstract: There is disclosed a glass-fiber coating liquid for forming a coating layer on a glass fiber cord, prepared in the form of an emulsion consisting essentially of a monohydroxybenzene-formaldehyde resin (A) obtained by reaction of monohydroxybenzene (D) and formaldehyde (E), a vinylpyridine-styrene-butadiene copolymer (B) having a vinylpyridine monomer content of 17 to 35% by mass, a styrene monomer content of 20 to 40% by mass and a butadiene monomer content of 35 to 60% by mass, a chlorosulfonated polyethylene (C), an acrylonitrile-butadiene rubber (P); at least one of an antioxidant, a pH adjuster and a stabilizer; and water.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 5, 2013
    Applicant: Central Glass Company, Ltd.
    Inventors: Takafumi Iwano, Katsuhiko Ogaki, Minekazu Kohama, Kazuhiro Yamamoto
  • Coating Liquid for Coating Glass Fiber and Rubber-Reinforcing Glass Fiber Using the Same
    Publication number: 20090137355
    Abstract: A coating liquid for coating glass fiber codes, containing: a chlorophenol-formaldehyde condensate (A) obtained by condensing a chlorophenol (D) and formaldehyde (E) in water; an emulsion of a vinylpyridine-styrene-butadiene copolymer (B); and an emulsion of a chlorosulfonated polyethylene (C).
    Type: Application
    Filed: March 29, 2007
    Publication date: May 28, 2009
    Applicant: Central Glass Company, Limited
    Inventors: Katsuhiko Ogaki, Toshiya Monden, Takafumi Iwano