Patents by Inventor Koichi Mikami
Koichi Mikami 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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Patent number: 7473793Abstract: A novel transition metal complex, preferably a ruthenium-phosphine complex or rhodium-phosphine complex, which is effectively usable in various asymmetric syntheses and, in particular, is more effectively usable in the asymmetric hydrogenation of various ketones; and a novel process for producing an optically active alcohol with the complex. The novel transition metal complex includes a ligand obtained by introducing a diarylphosphino group into each of the 2- and 2?-positions of diphenyl ether, benzophenone, benzhydrol, or the like. It preferably further includes an optically active 1,2-diphenylethylenediamine coordinated thereto. The complex preferably is a novel diphosphine-ruthenium-optically active diamine complex or diphosphine-rhodium-optically active diamine complex. The process comprises using the complex as an asymmetric hydrogenation catalyst to conduct the asymmetric hydrogenation of a ketone compound to thereby obtain an optically active alcohol in a high optical purity and a high yield.Type: GrantFiled: February 13, 2006Date of Patent: January 6, 2009Assignee: Takasago International CorporationInventors: Koichi Mikami, Noburo Sayo
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Publication number: 20090002831Abstract: An anti-dazzling laminate made of an optical laminate including a light transparent base material and an anti-dazzling layer having a concavoconvex shape provided on the material. The laminate simultaneously satisfies formulae: 0?G100?15 (I), 0.1?Hs?5.0 (II), 0.3?Rz?1.8 (III) wherein G100 represents a scintillation value which is a standard deviation of a variation in brightness distribution at a resolution of 100 ppi measured on the surface of the laminate; Hs represents the surface haze value of the laminate; and Rz represents the average roughness of the concavoconvex shape of the anti-dazzling layer.Type: ApplicationFiled: March 29, 2006Publication date: January 1, 2009Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Koichi Mikami, Yukimitsu Iwata, Yoshihiro Nishimura, Takashi Kodama
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Publication number: 20080268215Abstract: Disclosed is a thin-film laminate which could have effectively prevented interface reflection and the occurrence of interference fringes by rendering the interface substantially absent. The thin-film laminate comprises: a light-transparent base material; and an antistatic layer and a hardcoat layer provided in that order on the light-transparent base material, wherein the interface of the light-transparent base material and the antistatic layer is substantially absent and/or the interface of the antistatic layer and the hardcoat layer is substantially absent.Type: ApplicationFiled: March 30, 2005Publication date: October 30, 2008Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yoshiko Hattori, Koichi Mikami, Yukimitsu Iwata, Hidetake Miyazaki
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Patent number: 7439926Abstract: A planar antenna fitted with a reflector of small shape and small depth. A reflector 21 of planar shape is provided at the rear face of a radiator 20 of planar shape made of a triangular loop element. The side sections 21b on both sides of the reflector 21 are bent towards the radiator 20 and the separation .alpha.2 between the leading edges of the side sections 21b and the side edges of the radiator 20 is thereby reduced. In this way, an excellent electrical characteristic of the planar antenna 2 fitted with a reflector and can be achieved by reducing the separation D2 of the radiator 20 and reflector 21.Type: GrantFiled: June 22, 2004Date of Patent: October 21, 2008Assignee: Nippon Antena Kabushiki KaishaInventors: Koichi Mikami, Noboru Matsuoka
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Publication number: 20080218865Abstract: An optical laminate produced by a process for producing an anti-dazzling laminate comprising a light transparent base material and an anti-dazzling layer provided on the light transparent base material. The process includes providing the light transparent base material and forming the anti-dazzling layer having a concavoconvex shape on the light transparent base material, wherein the concavoconvex shape of the anti-dazzling layer satisfies the following requirements: Sm is not less than 100 ?m and not more than 600 ?m, ?a is not less than 0.1 degree and not more than 1.2 degrees, and Rz is more than 0.2 ?m and not more than 1 ?m, wherein Sm represents the average spacing of concavoconvexes or profile irregularities in the anti-dazzling layer; ?a represents the average inclination angle of the concavoconvexes or profile irregularities; and Rz represents the average roughness of the concavoconvexes or profile irregularities.Type: ApplicationFiled: February 21, 2006Publication date: September 11, 2008Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yukimitsu Iwata, Koichi Mikami, Yoshihiro Nishimura, Takashi Kodama
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Publication number: 20080138606Abstract: Disclosed is an antireflective laminate that has significantly improved water resistance, alkaline resistance, and wetting resistance, and has improved visibility and scratch resistance. The antireflective laminate comprises a light-transparent base material and a low-refractive index layer provided on the light-transparent base material, wherein the low-refractive index layer is provided directly on a surface of the light-transparent base material or is provided on the outermost surface of one or two or more optional layers provided on the surface of the light-transparent base material, and the low-refractive index layer comprises hydrophobitized fine particles having an average particle diameter of not less than 5 nm and not more than 300 nm, and a binder.Type: ApplicationFiled: March 3, 2005Publication date: June 12, 2008Applicant: Dai Nippon Printing Co,. Ltd.Inventors: Toshio Yoshihara, Norinaga Nakamura, Koichi Mikami, Midori Nakajo, Seiji Shinohara
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Publication number: 20070269664Abstract: There are provided a gas barrier laminated film, which is transparent while possessing excellent gas barrier properties and, at the same time, has excellent impact resistance, and a process for producing the same. The gas barrier laminated film comprises a base material, a vapor deposited film of an inorganic oxide provided on the base material, and a gas barrier coating film provided on the vapor deposited film. The gas barrier laminated film is characterized in that the base material on its side where the vapor deposited film is provided, has been subjected to pretreatment or primer coating treatment, and the gas barrier coating film has been formed by coating a gas barrier coating liquid onto the inorganic oxide film and then heating the coating.Type: ApplicationFiled: April 29, 2005Publication date: November 22, 2007Applicant: Sai Nippon Printing Co., Ltd.Inventors: Hitoshi Fujii, Norio Akita, Ayumi Shibata, Daidou Chiba, Koichi Mikami, Hisashi Sakamoto
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Publication number: 20070248864Abstract: The solid oxide fuel cell of the present invention has a substrate (1); an electrolyte (3) that is disposed on one surface of the substrate (1); and at least one electrode element E having an anode (5) and a cathode (7) disposed on the same surface of the electrolyte (3) with a predetermined space therebetween.Type: ApplicationFiled: June 25, 2004Publication date: October 25, 2007Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kuniaki Yoshikata, Koichi Mikami, Hirotoshi Sakamoto
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Patent number: 7205042Abstract: The present invention relates to a laminate for battery encasement comprising aluminum foil and an inner layer, wherein a resin film layer that comprises an aminated phenol polymer (A), a trivalent chromium compound (B), and a phosphorus compound (C) lies between the aluminum foil and the inner layer. The laminate for battery encasement of the present invention is excellent in adhesiveness, gas impermeability, etc., and therefore can be suitably used as a material for encasing a secondary battery, particularly a lithium ion polymer secondary battery.Type: GrantFiled: February 6, 2002Date of Patent: April 17, 2007Assignee: Dai Nippon Printing Co., Ltd.Inventors: Hideki Arao, Koichi Mikami, Takakazu Goto, Kazuya Tanaka, Akio Shimizu, Ryoji Morita
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Publication number: 20070053055Abstract: The present invention discloses an anti-dazzling film that can be provided by high-speed coating and can meet market demands for an increased area and homogeneous properties and lowered cost while enjoying satisfactory scratch resistance. The present invention provides the anti-dazzling film comprises a triacetylcellulose film and an anti-dazzling layer provided on the triacetylcellulose film. The anti-dazzling layer comprises: a light transparent resin comprising an acrylic resin; plastic light transparent fine particles; and a leveling agent comprising a copolymer comprising (meth)acrylic acid repeating units containing at least one perfluoroalkyl group having 8 or more carbon atoms and (meth)acrylic acid repeating units having at least one bornane ring. A low-refractive index layer is provided on the anti-dazzling film to constitute an antireflection film.Type: ApplicationFiled: October 6, 2004Publication date: March 8, 2007Applicants: Dai Nippon Printing Co., Ltd., Fuji Photo Flim Co., Ltd.Inventors: Koichi Mikami, Yukimitsu Iwata, Norinaga Nakamura, Naohiro Matsunaga
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Publication number: 20060238432Abstract: A planar antenna fitted with a reflector of small shape and small depth. A reflector 21 of planar shape is provided at the rear face of a radiator 20 of planar shape made of a triangular loop element. The side sections 21b on both sides of the reflector 21 are bent towards the radiator 20 and the separation ?2 between the leading edges of the side sections 21b and the side edges of the radiator 20 is thereby reduced. In this way, an excellent electrical characteristic of the planar antenna 2 fitted with a reflector and can be achieved by reducing the separation D2 of the radiator 20 and reflector 21.Type: ApplicationFiled: June 22, 2004Publication date: October 26, 2006Inventors: Koichi Mikami, Noboru Matsuoka
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Publication number: 20060142603Abstract: A novel transition metal complex, preferably a ruthenium-phosphine complex or rhodium-phosphine complex, which is effectively usable in various asymmetric syntheses and, in particular, is more effectively usable in the asymmetric hydrogenation of various ketones; and a novel process for producing an optically active alcohol with the complex. The novel transition metal complex includes a ligand obtained by introducing a diarylphosphino group into each of the 2- and 2?-positions of diphenyl ether, benzophenone, benzhydrol, or the like. It preferably further includes an optically active 1,2-diphenylethylenediamine coordinated thereto. The complex preferably is a novel diphosphine-ruthenium-optically active diamine complex or diphosphine-rhodium-optically active diamine complex. The process comprises using the complex as an asymmetric hydrogenation catalyst to conduct the asymmetric hydrogenation of a ketone compound to thereby obtain an optically active alcohol in a high optical purity and a high yield.Type: ApplicationFiled: February 13, 2006Publication date: June 29, 2006Applicant: Takasago International CorporationInventors: Koichi Mikami, Noboru Sayo
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Publication number: 20060072197Abstract: There is provided an optical element that, even when a transparent base material is formed of triacetylcellulose, is in a boat bottom form in section and has streaks, can realize the formation of an anti-dazzling layer in a stable and efficient manner and can realize the control of optical characteristics with higher accuracy. There is also provided an optical laminate comprising: a transparent base material; and an anti-dazzling layer provided on a surface of the transparent base material through a smoothing transparent resin layer for smoothing the surface of the transparent base material, characterized in that the transparent base material consists essentially of triacetylcellulose, the thickness of the smoothing transparent resin layer is regulated to fall within a range of 0.5 to 2.0 ?m, and the smoothing transparent resin layer is provided directly on the transparent base material without through any other layer. The optical element comprises the optical laminate.Type: ApplicationFiled: September 21, 2005Publication date: April 6, 2006Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yukimitsu Iwata, Koichi Mikami
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Publication number: 20060051585Abstract: A laminate for use on a display surface, wherein the laminate comprises a low-refractive index layer on its surface and has a film surface-side 5-degree luminous reflectance on the low-refractive index layer side of not more than 3% and an in-plane average chromaticity (b*) in the range of +1.00 to ?5.00.Type: ApplicationFiled: August 18, 2005Publication date: March 9, 2006Applicant: Dai Nippon Printing Co., Ltd.Inventors: Koichi Mikami, Midori Nakajo, Norinaga Nakamura
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Publication number: 20060029794Abstract: Disclosed in a hard coat laminate with improved anti-dust-adhesion properties. The hard coat laminate comprises: a light transparent substrate; and an electrically conductive layer and a hard coat layer provided in that order on the light transparent substrate, the saturated amount of electrification on the outermost surface of the hard coat laminate being not more than 1.5 kV.Type: ApplicationFiled: March 18, 2005Publication date: February 9, 2006Applicant: Dai Nippon Printing Co., Ltd.Inventors: Koichi Mikami, Norinaga Nakamura
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Publication number: 20050255291Abstract: Disclosed is an antiglare laminate comprising: a transparent substrate; and an antiglare layer provided on the transparent substrate, the antiglare layer having a concave-convex outermost surface, a plurality of aggregated parts each having a three-dimensional structure formed of five or more fine particles being present within the antiglare layer, the aggregated parts forming the concave-convex shape without gathering of the plurality of aggregated parts.Type: ApplicationFiled: March 18, 2005Publication date: November 17, 2005Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yukimitsu Iwata, Koichi Mikami, Yoshiko Hattori
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Publication number: 20050233069Abstract: The invention is provided an antiglare film with a reduced tendency for curling and scratch resistance imparted thereto. The antiglare film comprises a substrate and an antiglare layer provided on the substrate. The antiglare layer comprises fine particles and two or more polyfunctional acrylic resins. At least one of the two or more polyfunctional acrylic resins is isocyanurate ethoxy-modified diacrylate represented by a specific formula.Type: ApplicationFiled: November 18, 2004Publication date: October 20, 2005Applicant: Dai Nippon Printing Co., Ltd.Inventors: Koichi Mikami, Yukimitsu Iwata
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Patent number: 6878663Abstract: An aromatic compound represented by the general formula Ar1X is reacted with a palladium compound and a phosphine derivative, in the presence of a first basic substance, thereby producing a palladium-complex compound represented by the general formula Ar1—PdL2X. This palladium-complex compound is reacted with a benzoic acid represented by the general formula Ar2—COOH, in the presence of a second basic substance, thereby producing another palladium-complex compound represented by the following general formula. The above palladium-complex compounds are useful as catalysts and can be produced easily by the above reactions. In the above general formulas, Ar1 is an aryl group; and X is a halogen that is fluorine, chlorine, bromine or iodine, trifluoromethanesulfonate group, an alkylsulfonate group having a carbon atom number of 1-4, or a substituted or unsubstituted arylsulfonate group; each L is independently a phosphine ligand; and Ar2 is an aryl group.Type: GrantFiled: April 5, 2002Date of Patent: April 12, 2005Assignee: Central Glass Company, LimitedInventors: Takashi Kume, Satoru Narizuka, Makoto Koide, Koichi Mikami, Manabu Hatano, Masahiro Terada
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Publication number: 20040197628Abstract: A fuel cell comprising at least one single cell C having an electrolyte 3, a fuel electrode 5, and an air electrode 7, wherein the single cell C is supported on a substrate 1 and the electrolyte 3 is disposed on one surface of the substrate 1, with the fuel electrode 5 and the air electrode 7 disposed on the same surface of the substrate 1 so as to sandwich the electrolyte 3.Type: ApplicationFiled: December 9, 2003Publication date: October 7, 2004Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Kuniaki Yoshikata, Hirotoshi Sakamoto, Koichi Mikami
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Publication number: 20040067376Abstract: The present invention relates to a laminate for battery encasement comprising aluminum foil and an inner layer, wherein a resin film layer that comprises an aminated phenol polymer (A), a trivalent chromium compound (B), and a phosphorus compound (C) lies between the aluminum foil and the inner layer. The laminate for battery encasement of the present invention is excellent in adhesiveness, gas impermeability, etc., and therefore can be suitably used as a material for encasing a secondary battery, particularly a lithium ion polymer secondary battery.Type: ApplicationFiled: July 18, 2003Publication date: April 8, 2004Inventors: Hideki Arao, Koichi Mikami, Takakazu Goto, Kazuya Tanaka, Akio Shimizu, Ryoji Morita