Patents by Inventor Koichiro Nakamura

Koichiro Nakamura 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: 11292918
    Abstract: A colorant-containing solid material (1) of the present invention includes a colorant (10) and a matrix (20). The matrix (20) is formed of a silica and a polysilsesquioxane and covers the colorant (10). An absorption intensity derived from a hydrocarbon group that is not directly bonded to a silicon atom, an absorption intensity derived from a bond between a silicon atom and a non-reactive functional group, and an absorption intensity derived from a bond between a silicon atom and a hydroxy group, determined by an infrared spectroscopic analysis based on a KBr pellet method using a Fourier transform infrared spectrophotometer, are denoted as Ia, Ib and Ic, respectively. The colorant-containing solid material (1) satisfies at least one of conditions Ib/Ia?1.1 and Ib/Ic?0.6.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: April 5, 2022
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventors: Koichiro Nakamura, Kazuhiro Doshita, Haruko Horiguchi
  • Patent number: 11274211
    Abstract: The present invention provides a glitter pigment capable of simultaneously achieving electromagnetic wave transmission properties, a high reflectance in appearance, and a neutral color in appearance. The glitter pigment according to the present invention includes: a glass flake 1; and a titanium oxide layer 2 and a silver layer 3 formed in this order on the glass flake 1, wherein a product of the optical thickness of the glass flake 1 and the optical thickness of the titanium oxide layer 2 is 61000 or more and 66000 or less when the optical thickness is expressed in nm, and the silver layer 3 has a physical thickness of 35 nm or more and 55 nm or less.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 15, 2022
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventor: Koichiro Nakamura
  • Publication number: 20210253866
    Abstract: The present invention provides a new glitter pigment suitable for providing high-brightness whitish reflected light. The glitter pigment according to the present invention includes: a flaky substrate 1; and a silicon oxide layer 2 and a titanium oxide layer 3 formed in this order on the flaky substrate 1, wherein in the case where the flaky substrate is the glass flake, the glass flake has a thickness of 284 to 322 nm, the silicon oxide layer has a thickness of 89 to 109 nm, and the titanium oxide layer has a thickness of 51 to 86 nm. In the case where the flaky substrate is the alumina flake, the alumina flake has a thickness of 260 to 280 nm, the silicon oxide layer has a thickness of 79 to 102 nm, and the titanium oxide layer has a thickness of 47 to 87 nm.
    Type: Application
    Filed: April 30, 2021
    Publication date: August 19, 2021
    Inventors: Koichiro NAKAMURA, Masahiro HIOKI
  • Patent number: 11028272
    Abstract: The present invention provides a new glitter pigment suitable for providing high-brightness whitish reflected light. The glitter pigment according to the present invention includes: a flaky substrate 1; and a silicon oxide layer 2 and a titanium oxide layer 3 formed in this order on the flaky substrate 1, wherein in the case where the flaky substrate is the glass flake, the glass flake has a thickness of 284 to 322 nm, the silicon oxide layer has a thickness of 89 to 109 nm, and the titanium oxide layer has a thickness of 51 to 86 nm. In the case where the flaky substrate is the alumina flake, the alumina flake has a thickness of 260 to 280 nm, the silicon oxide layer has a thickness of 79 to 102 nm, and the titanium oxide layer has a thickness of 47 to 87 nm.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: June 8, 2021
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventors: Koichiro Nakamura, Masahiro Hioki
  • Publication number: 20210032476
    Abstract: A colorant-containing solid material (1) of the present invention includes a colorant (10) and a matrix (20). The matrix (20) is formed of a silica and a polysilsesquioxane and covers the colorant (10). An absorption intensity derived from a hydrocarbon group that is not directly bonded to a silicon atom, an absorption intensity derived from a bond between a silicon atom and a non-reactive functional group, and an absorption intensity derived from a bond between a silicon atom and a hydroxy group, determined by an infrared spectroscopic analysis based on a KBr pellet method using a Fourier transform infrared spectrophotometer, are denoted as Ia, Ib and Ic, respectively. The colorant-containing solid material (1) satisfies at least one of conditions Ib/Ia?1.1 and Ib/Ic?0.6.
    Type: Application
    Filed: July 20, 2018
    Publication date: February 4, 2021
    Inventors: Koichiro NAKAMURA, Kazuhiro DOSHITA, Haruko HORIGUCHI
  • Publication number: 20210024752
    Abstract: A cured product of a resin composition according to the present invention includes at least silsesquioxane. When the average thermal expansion coefficient of the cured product at 30 to 200° C. is expressed as ?1 [K?1], at least one of requirements ?1/?2?10 and (?1??2)2×108?0.4 is satisfied, where a reference value ?2 is 350×10?6 [K?1] or less. In the cured product, an absorbance derived from a siloxane bond, an absorbance derived from a hydrocarbon group, and an absorbance derived from a hydroxy group are respectively expressed as Ia, Ib, and Ic, the absorbances being determined by attenuated total reflection using a Fourier transform infrared spectrophotometer. In this case, requirements 0.09?Ia/Ib?3.0 and 0.04?Ic/Ib?1.0 are satisfied.
    Type: Application
    Filed: March 1, 2019
    Publication date: January 28, 2021
    Inventors: Koichiro NAKAMURA, Yuji HIRANUMA
  • Publication number: 20200399502
    Abstract: A film (1) includes hollow particles (10) and a binder (20). The hollow particles are made of a material having a refractive index of 1.15 to 2.70. The binder (20) is formed of at least a polysilsesquioxane and binds the hollow particles (10). The film (1) satisfies at least one of requirements Ib/Ia?0.7 and Ib/Ic?0.3. Ia is an absorbance derived from a hydrocarbon group not directly bonded to a silicon atom, the absorbance being determined by attenuated total reflection using a Fourier transform infrared spectrophotometer. Ib is an absorbance derived from a bond between a silicon atom and a non-reactive functional group. Ic is an absorbance derived from a bond between a silicon atom and a hydroxy group.
    Type: Application
    Filed: November 8, 2018
    Publication date: December 24, 2020
    Inventors: Koichiro NAKAMURA, Satoru KUSAKA
  • Publication number: 20200190330
    Abstract: The present invention provides a glitter pigment capable of simultaneously achieving electromagnetic wave transmission properties, a high reflectance in appearance, and a neutral color in appearance. The glitter pigment according to the present invention includes: a glass flake 1; and a titanium oxide layer 2 and a silver layer 3 formed in this order on the glass flake 1, wherein a product of the optical thickness of the glass flake 1 and the optical thickness of the titanium oxide layer 2 is 61000 or more and 66000 or less when the optical thickness is expressed in nm, and the silver layer 3 has a physical thickness of 35 nm or more and 55 nm or less.
    Type: Application
    Filed: April 27, 2017
    Publication date: June 18, 2020
    Inventor: Koichiro NAKAMURA
  • Publication number: 20190292372
    Abstract: The present invention provides a new glitter pigment suitable for providing high-brightness whitish reflected light. The glitter pigment according to the present invention includes: a flaky substrate 1; and a silicon oxide layer 2 and a titanium oxide layer 3 formed in this order on the flaky substrate 1, wherein in the case where the flaky substrate is the glass flake, the glass flake has a thickness of 284 to 322 nm, the silicon oxide layer has a thickness of 89 to 109 nm, and the titanium oxide layer has a thickness of 51 to 86 nm. In the case where the flaky substrate is the alumina flake, the alumina flake has a thickness of 260 to 280 nm, the silicon oxide layer has a thickness of 79 to 102 nm, and the titanium oxide layer has a thickness of 47 to 87 nm.
    Type: Application
    Filed: August 4, 2017
    Publication date: September 26, 2019
    Inventors: Koichiro NAKAMURA, Masahiro HIOKI
  • Patent number: 10074550
    Abstract: A method and apparatus for determining a stability of plasma in a plasma processing apparatus for performing a plasma processing by converting into plasma a processing gas supplied into a processing container. The method includes: detecting a light emission intensity of the plasma in the processing container while the plasma is generated in the processing container; generating a first function representing a relationship between time and the light emission intensity from a detection result of the light emission intensity; differentiating the first function with time to calculate a differential value, and generating a second function from a relationship between an absolute value of the differential value and time; and integrating the second function with time to calculate an integral value, and determining a stability of the plasma based on the calculated integral value. A related apparatus is also provided.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: September 11, 2018
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Ryo Miyama, Naoto Watanabe, Koichiro Nakamura
  • Patent number: 10052675
    Abstract: A method of manufacturing a two-piece food can having improved corrosion resistance is provided, wherein the two-piece food can using a metal sheet coated with a thermoplastic resin and having annular uneven beads and/or a bottom rim. After forming a bottomed cylindrical can body by drawing and ironing, by heating at a temperature higher than the melting temperature of the thermoplastic resin for a predetermined time before forming uneven beads and/or a bottom rim to the can body and quenching within a predetermined time after heating, the inner resin coating hardly peel off during the following formation of uneven beads and/or the bottom rim. As a result, a two-piece food can having excellent corrosion resistance may be obtained.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: August 21, 2018
    Assignee: DAIWA CAN COMPANY
    Inventors: Hiroko Namekawa, Koichiro Nakamura, Shigeru Noto, Yuichiro Murayama, Chiharu Nabeta, Tomohiko Oyanagi
  • Publication number: 20170229332
    Abstract: A method and apparatus for determining a stability of plasma in a plasma processing apparatus for performing a plasma processing by converting into plasma a processing gas supplied into a processing container. The method includes: detecting a light emission intensity of the plasma in the processing container while the plasma is generated in the processing container; generating a first function representing a relationship between time and the light emission intensity from a detection result of the light emission intensity; differentiating the first function with time to calculate a differential value, and generating a second function from a relationship between an absolute value of the differential value and time; and integrating the second function with time to calculate an integral value, and determining a stability of the plasma based on the calculated integral value. A related apparatus is also provided.
    Type: Application
    Filed: July 7, 2015
    Publication date: August 10, 2017
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Ryo MIYAMA, Naoto WATANABE, Koichiro NAKAMURA
  • Patent number: 9674459
    Abstract: An image processing system includes a brightness polarization superimposing unit. The brightness polarization superimposing unit superimposes, on a brightness image, polarization information of an image IMP that includes the polarization information, as a change in brightness of each pixel. The image processing system has a function of outputting an image obtained by superimposition by the brightness polarization superimposing unit as an output image IMO.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: June 6, 2017
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Ryosuke Kasahara, Koichiro Nakamura
  • Publication number: 20160221064
    Abstract: A method of manufacturing a two-piece food can having improved corrosion resistance is provided, wherein the two-piece food can using a metal sheet coated with a thermoplastic resin and having annular uneven beads and/or a bottom rim. After forming a bottomed cylindrical can body by drawing and ironing, by heating at a temperature higher than the melting temperature of the thermoplastic resin for a predetermined time before forming uneven beads and/or a bottom rim to the can body and quenching within a predetermined time after heating, the inner resin coating hardly peel off during the following formation of uneven beads and/or the bottom rim. As a result, a two-piece food can having excellent corrosion resistance may be obtained.
    Type: Application
    Filed: September 11, 2013
    Publication date: August 4, 2016
    Inventors: Hiroko NAMEKAWA, Koichiro NAKAMURA, Shigeru NOTO, Yuichiro MURAYAMA, Chiharu NABETA, Tomohiko OYANAGI
  • Publication number: 20160094771
    Abstract: An image processing system includes a brightness polarization superimposing unit. The brightness polarization superimposing unit superimposes, on a brightness image, polarization information of an image IMP that includes the polarization information, as a change in brightness of each pixel. The image processing system has a function of outputting an image obtained by superimposition by the brightness polarization superimposing unit as an output image IMO.
    Type: Application
    Filed: May 8, 2014
    Publication date: March 31, 2016
    Inventors: Ryosuke KASAHARA, Koichiro NAKAMURA
  • Patent number: 9187353
    Abstract: Disclosed is a method of treating a treatment object containing a harmful compound. The method includes: a step A of bringing a treatment object containing a harmful compound containing an element X that is As, Sb or Se into contact with titanium oxide so as to adsorb the harmful compound on the surface of the titanium oxide; a step B of separating, from the treatment object, the titanium oxide on which the harmful compound is adsorbed; and a step C of irradiating the titanium oxide separated from the treatment object with light in a treatment phase containing a radical source so as to cause a reaction between the harmful compound adsorbed on the titanium oxide and a radical generated from the radical source and detoxify the harmful compound.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: November 17, 2015
    Assignee: Nippon Sheet Glass Company, Limited
    Inventor: Koichiro Nakamura
  • Patent number: 8897614
    Abstract: An electro-optical element includes a core layer made of an electro-optical material, a clad structure disposed on each of opposite sides of the core layer and configured to form an optical waveguide together with the core layer, and a pair of electrode layers, one of which being disposed on one side of the clad structure and another being disposed on another side of the clad structure. The clad structure includes a first clad layer and a second layer. The second clad layer has a dielectric permittivity larger than that of the first clad layer, and the second clad layer has a thickness thicker than that of the first clad layer.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: November 25, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Shuichi Suzuki, Atsushi Sakai, Koichiro Nakamura, Jun Nakagawa
  • Patent number: 8847000
    Abstract: It is an object of the present invention to provide a beneficial composition in order to detoxify the harmful compound containing arsenic etc. effectively and systematically and a method for detoxifying a harmful compound by using the composition. The composition for the alkylation according to the present invention is characterized in that the composition contains a cobalt complex. The method of detoxifying the harmful compound according to the present invention is characterized in that a harmful compound containing at least one element selected from the groups comprising arsenic, antimony and selenium is detoxified by the alkylation of the harmful compound, in the presence of the composition according to the present invention.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: September 30, 2014
    Assignee: Nippon Sheet Glass Company, Limited
    Inventors: Koichiro Nakamura, Akihiro Hishinuma, Shinji Kamiya
  • Patent number: 8658850
    Abstract: It is an object of the present invention to provide a beneficial method for detoxifying a harmful compound to detoxify the harmful compound containing arsenic etc., effectively. The method of detoxifying a harmful compound according to the present invention is characterized in that a methyl radical and/or a carboxymethyl radical is (are) contacted with a harmful compound comprising at least one element selected from the group comprising arsenic, antimony and selenium to detoxify the harmful compound. Furthermore, in a preferred embodiment of the method of detoxifying a harmful compound according to the present invention, the method is characterized in that the radical is generated by the exposure to light.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: February 25, 2014
    Assignee: Nippon Sheet Glass Company, Limited
    Inventor: Koichiro Nakamura
  • Patent number: 8654424
    Abstract: A multibeam deflector includes a plurality of optical deflection devices formed on a single substrate and an output optical system. Each of the optical deflection devices includes a slab optical waveguide formed by a material having an electro-optic effect. The output optical system is configured to separate beams output from the optical deflection devices from each other.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: February 18, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazuhiko Tsukamoto, Shuichi Suzuki, Tsuyoshi Hashiguchi, Atsushi Sakai, Koichiro Nakamura