Patents by Inventor Hisao Inokuma
Hisao Inokuma 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).
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Publication number: 20170036519Abstract: The vehicle window member with the window frame includes: the vehicle-window-use transparent plate-shaped body; the window frame made of a thermoplastic resin arranged at a region including a peripheral edge part of at least one principle surface; a functional sol-gel layer arranged at one of principle surfaces of the plate-shaped body where the window frame is arranged and between the window frame and the plate-shaped body to be partially overlapped with an arrangement region of the window frame; a primer layer arranged at substantially the same region as the arrangement region of the window frame at the plate-shaped body side of the window frame to be adjacent to the window frame; and an overcoat layer arranged between the functional sol-gel layer and the primer layer to include a region where both are overlapped, and mainly constituted of an oxide of at least one selected from Si, Ti, Zr and Zn.Type: ApplicationFiled: October 21, 2016Publication date: February 9, 2017Applicant: Asahi Glass Company, LimitedInventors: Masahiro YAMAZAKI, Daisuke YAMADA, Hisao INOKUMA
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Publication number: 20130264555Abstract: A translucent substrate may include a transparent support substrate, and a light extracting layer formed on the transparent support substrate, including a glass material having a first refractive index in a range of 1.6 to 2.2 for D line, and a scattering material having a second refractive index different from the first refractive index for the D line. The light extracting layer may have a surface formed with a plurality of projections including at least one of an approximately pyramid-shaped projection having one peak point and an approximately triangular prism-shaped projection having one peak edge. An inclination angle formed by an edge and a base edge of an approximate triangle, obtained in a vertical cross section passing through the peak point or the peak edge of the projection, may be in a range of 10° to 60°.Type: ApplicationFiled: May 24, 2013Publication date: October 10, 2013Inventors: Nao Ishibashi, Nobuhiro Nakamura, Minoru Sekine, Hisao Inokuma, Yumiko Aoki
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Patent number: 7727626Abstract: A light diffusion plate has a substrate and a light diffusion layer formed on the substrate. The light diffusion layer is composed of at least two layers: a first light diffusion layer containing a first matrix and a first light diffusion agent having a refractive index difference ?n1 of 0.04??n1?0.2 with the first matrix, and a second light diffusion layer containing a second matrix and a second light diffusion agent having a refractive index difference ?n2 of 0.005??n2?0.01 with the second matrix. The volume fraction of the first light diffusion agent in the first light diffusion layer is less than 40%, the volume fraction of the second light diffusion agent in the second light diffusion layer is at least 40% and the total thickness of the light diffusion layers is from 5 to 200 ?m after curing.Type: GrantFiled: December 4, 2007Date of Patent: June 1, 2010Assignee: Asahi Glass Company, LimitedInventors: Hisao Inokuma, Toshihiko Higuchi, Akira Mitsui
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Publication number: 20100014314Abstract: A conventional light diffusion plate provided in a direct type backlight unit to be employed for e.g. a liquid crystal display, has problems in that it does not have a sufficient diffusion performance, it is difficult to increase the size, and it is difficult to produce such a light diffusion plate at low cost. A light diffusion plate comprising a glass substrate and a light diffusion layer formed on the glass substrate, wherein the light diffusion layer comprises a matrix and a light diffusion agent, the absolute value ?n of the refractive index difference between the matrix and the light diffusion agent is 0.05 or more and less than 0.5, and the volume ratio of the light diffusion agent in the light diffusion layer is 30% or more.Type: ApplicationFiled: July 16, 2009Publication date: January 21, 2010Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Hisao Inokuma, Satoru Takaki
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Publication number: 20090147365Abstract: A light diffusion plate in which the adhesiveness, particularly long term adhesiveness, between a glass substrate and a light diffusion layer is good; a coating solution for forming light diffusion layer to be employed for producing this light diffusion plate; and a transmission screen, a rear projection type projection TV and a backlight unit for liquid crystal display employing this light diffusion plate; are provided. A coating solution for forming light diffusion layer, containing a binder, a light diffusion material and a compound containing a reactive silyl group and an epoxy group.Type: ApplicationFiled: February 2, 2009Publication date: June 11, 2009Applicant: Asahi Glass Company, LimitedInventors: Hisao INOKUMA, Toshihiko Higuchi
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Publication number: 20080090063Abstract: To provide a transmission screen to be used for a PTV, particularly a high rigidity transmission screen suitably used for a high precision PTV on which an optical engine such as MD is mounted, capable of coping with enlargement of the screen, and a diffusion plate to be used therefor. A light diffusion plate comprising a substrate and a light diffusion layer formed on the substrate, wherein the light diffusion layer comprises at least two layers of a first light diffusion layer containing a first matrix and a first light diffusion agent having a refractive index difference ?n1 of 0.04??n1?0.2 with the first matrix, and a second light diffusion layer containing a second matrix and a second light diffusion agent having a refractive index difference ?n2 of 0.005??n2?0.Type: ApplicationFiled: December 4, 2007Publication date: April 17, 2008Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hisao INOKUMA, Toshihiko Higuchi, Akira Mitsui
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Publication number: 20070098906Abstract: A subject for the invention is to form a coating film which has high transparency and excellent adhesion to organic base materials and retains long-lasting excellent effects concerning hydrophilicity, antifogging properties, droplet repellency, and antifouling properties. The invention relates to an inorganic coating composition capable of forming a hydrophilic coating film on an organic base material, the organic coating composition comprising alumina particles having an aggregate diameter in a dispersion medium of 20-400 nm and either a silicic acid oligomer or a colloidal silica, a surfactant, a water-miscible organic solvent which is capable of swelling or dissolving the organic base material and has a boiling point of 120° C. or higher at an atmospheric pressure of 0.Type: ApplicationFiled: October 10, 2006Publication date: May 3, 2007Applicant: ASAHI GLASS CO., LTD.Inventors: Takashige Yoneda, Hisao Inokuma, Youhei Kawai, Katumasa Nakahara, Akemi Katou
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Publication number: 20040197549Abstract: A low-reflectance conductive film and a colored low-reflectance conductive film for improving conductivity, suppressing the lowering of conductivity with time, maintaining the reflectance and abrasion resistance, and having a low reflectance function, manufacturing methods thereof, and a substrate provided therewith are provided. The low-reflectance conductive film is made of at least two films, a conductive film containing therein conductive fine particles and a low-refraction film with a lower refractive index than the conductive film, formed on the conductive film, with a resistance-lowering material being contained in the conductive film. A low-reflectance conductive film manufacturing method for forming a low-reflectance conductive film by coating onto a substrate a conductive film forming coating liquid which contains therein conductive fine particles and then coating a low-refraction film forming coating liquid which contains therein a resistance-lowering material.Type: ApplicationFiled: April 16, 2004Publication date: October 7, 2004Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hisao Inokuma, Keisuke Abe, Yasuhiro Sanada
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Patent number: 6630213Abstract: A process for producing a silica-alumina composite sol, which comprises mixing a silica hydrogel and an aluminum salt which, when dissolved in water, gives an acidic solution.Type: GrantFiled: December 26, 2000Date of Patent: October 7, 2003Assignee: Asahi Glass Company, LimitedInventors: Katsumasa Nakahara, Hisao Inokuma, Hachirou Hirano, Toshiya Matsubara, Masako Wakabayashi, Yoshinori Kon
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Patent number: 6623820Abstract: It is an object of the present invention to obtain a composite sol capable of forming an ink-receiving layer having a high transparency and a high property for fixing dyes. The present invention provides a sol which is a colloidal solution having aggregate particles containing silica and alumina dispersed in an aqueous medium, wherein the silica is such that the primary particles are spherical and the average particle size of the primary particles is from 2 to 200 nm, the average particle size of the aggregate particles is at least twice the average particle size of the silica primary particles and at most 1,000 nm, the &zgr;-potential of the aggregate particles is at least +10 mV, and the pH of the solution is from 3 to 9.Type: GrantFiled: February 11, 2000Date of Patent: September 23, 2003Assignee: Asahi Glass Company Ltd.Inventors: Katsumasa Nakahara, Noriko Torimoto, Hachiro Hirano, Toshiya Matsubara, Shinichi Suzuki, Hisao Inokuma, Hirokazu Wakabayashi
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Publication number: 20010008688Abstract: A process for producing a silica-alumina composite sol, which comprises mixing a silica hydrogel and an aluminum salt which, when dissolved in water, gives an acidic solution.Type: ApplicationFiled: December 26, 2000Publication date: July 19, 2001Applicant: Asahi Glass Company, LimitedInventors: Katsumasa Nakahara, Hisao Inokuma, Hachirou Hirano, Toshiya Matsubara, Masako Wakabayashi, Yoshinori Kon