Patents by Inventor Nobuaki Takaoka

Nobuaki Takaoka 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: 8859099
    Abstract: A laminate having excellent weatherability and abrasion resistance as well as adhesion. The laminate comprises a base, a first layer formed by thermally curing an acrylic resin composition and a second layer formed by thermally curing an organosiloxane resin composition, all of which are formed in the mentioned order, wherein the acrylic resin composition comprises: (A) an acrylic copolymer which contains at least 70 mol % of a recurring unit represented by the following formula (A): wherein X is a hydrogen atom or methyl group, and Y is a methyl group, ethyl group, cycloalkyl group, hydroxyalkyl group having 2 to 5 carbon atoms or triazine-based ultraviolet absorber residue; (B) a blocked polyisocyanate compound; (C) a curing catalyst; and (D) a triazine-based ultraviolet absorber, and the organosiloxane resin composition comprises: (E) colloidal silica and (F) a hydrolysis condensate of an alkoxysilane.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: October 14, 2014
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Toshio Kita, Shunsuke Kajiwara, Ryou Niimi, Takehiro Suga, Tatsuya Ekinaka, Nobuaki Takaoka
  • Patent number: 8765891
    Abstract: It is an object of the present invention to provide a laminate having excellent weatherability and abrasion resistance as well as adhesion. The present invention relates to a laminate comprising a base, a first layer formed by thermally curing an acrylic resin composition and a second layer formed by thermally curing an organosiloxane resin composition, all of which are formed in the mentioned order, wherein the acrylic resin composition comprises: (A) an acrylic copolymer which contains at least 70 mol % of a recurring unit represented by the following formula (A): wherein X is a hydrogen atom or methyl group, and Y is a methyl group, ethyl group, cycloalkyl group, hydroxyalkyl group having 2 to 5 carbon atoms or triazine-based ultraviolet absorber residue; (B) a blocked polyisocyanate compound; (C) a curing catalyst; and (D) a triazine-based ultraviolet absorber, and the organosiloxane resin composition comprises: (E) colloidal silica and (F) a hydrolysis condensate of an alkoxysilane.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: July 1, 2014
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Toshio Kita, Shunsuke Kajiwara, Ryou Niimi, Takehiro Suga, Tatsuya Ekinaka, Nobuaki Takaoka
  • Patent number: 8404349
    Abstract: It is an object of the present invention to provide a laminate having excellent weatherability and abrasion resistance as well as adhesion. The present invention relates to a laminate comprising a base, a first layer formed by thermally curing an acrylic resin composition and a second layer formed by thermally curing an organosiloxane resin composition, all of which are formed in the mentioned order, wherein the acrylic resin composition comprises: (A) an acrylic copolymer which contains at least 70 mol % of a recurring unit represented by the following formula (A): wherein X is a hydrogen atom or methyl group, and Y is a methyl group, ethyl group, cycloalkyl group, hydroxyalkyl group having 2 to 5 carbon atoms or triazine-based ultraviolet absorber residue; (B) a blocked polyisocyanate compound; (C) a curing catalyst; and (D) a triazine-based ultraviolet absorber, and the organosiloxane resin composition comprises: (E) colloidal silica and (F) a hydrolysis condensate of an alkoxysilane.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: March 26, 2013
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Toshio Kita, Shunsuke Kajiwara, Ryou Niimi, Takehiro Suga, Tatsuya Ekinaka, Nobuaki Takaoka
  • Publication number: 20090104447
    Abstract: It is an object of the present invention to provide a laminate having excellent weatherability and abrasion resistance as well as adhesion. The present invention relates to a laminate comprising a base, a first layer formed by thermally curing an acrylic resin composition and a second layer formed by thermally curing an organosiloxane resin composition, all of which are formed in the mentioned order, wherein the acrylic resin composition comprises: (A) an acrylic copolymer which contains at least 70 mol % of a recurring unit represented by the following formula (A): wherein X is a hydrogen atom or methyl group, and Y is a methyl group, ethyl group, cycloalkyl group, hydroxyalkyl group having 2 to 5 carbon atoms or triazine-based ultraviolet absorber residue; (B) a blocked polyisocyanate compound; (C) a curing catalyst; and (D) a triazine-based ultraviolet absorber, and the organosiloxane resin composition comprises: (E) colloidal silica and (F) a hydrolysis condensate of an alkoxysilane.
    Type: Application
    Filed: March 7, 2007
    Publication date: April 23, 2009
    Inventors: Toshio Kita, Shunsuke Kajiwara, Ryou Niimi, Takehiro Suga, Tatsuya Ekinaka, Nobuaki Takaoka
  • Patent number: 6474147
    Abstract: A proportional oxygen sensor, a three-way catalyst, a binary O2 sensor, a NOx purification device, and a binary O2 sensor are positioned in the named order in the exhaust system of an internal combustion engine. A correction coefficient KMON2, which is set in accordance with the degree of deterioration of a three-way catalyst, is used to correct the timer value tmMON2 used to measure the time extending from the time at which the output of the O2 sensor is changed when the air-fuel ratio is increased, until the time at which the output of the O2 sensor is changed. When the corrected timer value tmMON2 is smaller than a reference time TNOxREF, it is ascertained that deterioration of the NOx purification device has occurred.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: November 5, 2002
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Nobuaki Takaoka, Hiroshi Oono
  • Publication number: 20020116991
    Abstract: A proportional oxygen sensor, a three-way catalyst, a binary O2 sensor, a NOx purification device, and a binary O2 sensor are positioned in the named order in the exhaust system of an internal combustion engine. A correction coefficient KMON2, which is set in accordance with the degree of deterioration of a three-way catalyst, is used to correct the timer value tmMON2 used to measure the time extending from the time at which the output of the O2 sensor is changed when the air-fuel ratio is increased, until the time at which the output of the O2 sensor is changed. When the corrected timer value tmMON2 is smaller than a reference time TNOxREF, it is ascertained that deterioration of the NOx purification device has occurred.
    Type: Application
    Filed: May 8, 2000
    Publication date: August 29, 2002
    Inventors: Nobuaki Takaoka, Hiroshi Oono
  • Patent number: 6393834
    Abstract: In order to prevent degradation of an operational mode and a fuel consumption of an internal combustion engine at the time when raising the temperature of a catalyst poisoned NOx absorbent for removing the accumulated sulfur compounds, an exhaust purifying apparatus is provided in an exhaust pipe 22 connected to an internal combustion engine 11.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: May 28, 2002
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Nobuaki Takaoka, Hiroshi Oono
  • Patent number: 6338243
    Abstract: An exhaust emission control system for a nitrogen oxide removing device, the control system having a first oxygen concentration sensor provided upstream of the nitrogen oxide removing device, a second oxygen concentration sensor provided downstream of the nitrogen oxide removing device. A first response delay time period from the time when the output value from the first oxygen concentration sensor has changed to a value indicative of a rich air-fuel ratio to the time when the output value from the second oxygen concentration sensor becomes a value indicative of a rich air-fuel ratio is measured. A second response delay time period from the time when the output value from the first oxygen concentration sensor has changed to a value indicative of a lean air-fuel ratio, to the time when the output value from the second oxygen concentration sensor becomes a value indicative of a lean air-fuel ratio is measured.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: January 15, 2002
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Nobuaki Takaoka, Toshikatsu Takanohashi
  • Patent number: 6128899
    Abstract: A system for purifying exhaust gas of an internal combustion engine having a NOx reduction catalyst (NOx absorber) installed in the exhaust system of the engine which absorbs NOx in the exhaust gas generated by the engine in a lean environment where a lean fuel mixture is supplied and desorbs to reduce the absorbed NOx in a rich environment where a rich mixture is supplied. In the system, the rich fuel mixture is supplied for a period immediately before cutoff. With the arrangement, the NOx reduction catalyst desorbs the absorbed NOx and is regenerated to absorb NOx sufficiently. At the same time, the NOx reduction catalyst is regenerated from sulfur poisoning, thereby preventing the NOx purification efficiency from being degraded.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: October 10, 2000
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Oono, Masahiro Sakanushi, Nobuaki Takaoka, Toshikatsu Takanohashi
  • Patent number: 5956948
    Abstract: An exhaust gas-purifying system for an internal combustion engine comprises an exhaust gas-purifying device arranged in the exhaust system of the engine and accommodating a nitrogen oxide absorbent for absorbing nitrogen oxides in exhaust gases emitted from the engine when the engine operates in a state where the air-fuel ratio of the exhaust gases is leaner than a stoichiometric air-fuel ratio. A cylinder internal pressure sensor detects pressure within at least one of the cylinders of the engine. The amount of nitrogen oxides generated within the engine is determined based on the pressure within the at least one of the cylinders. It is determined whether the amount of nitrogen oxides absorbed by the nitrogen oxide absorbent has been saturated, based on the determined amount of nitrogen oxides.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: September 28, 1999
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Keiichi Nagashima, Yoshio Maeda, Nobuaki Takaoka