Patents by Inventor Hideki Etori
Hideki Etori 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: 11352308Abstract: There is provided a compound which provides a semiconductor material. The compound is represented by General Formula (1) wherein Ar represents an aryl group which may have a substituent or a heteroaryl group which may have a substituent, and R1 represents an acyclic alkyl group having 1 to 20 carbon atoms wherein hydrogen atom in the alkyl group may be replaced by a halogeno group, a nitrile group or an aryl group, and —CH2— in the alkyl group may be replaced by —O—, —R?C?CR?—, —CO—, —OCO—, —COO—, —S—, —SO2—, —SO—, —NH—, —NR?— or —C?C— provided that, with respect to each of an oxygen atom, a sulfur atom and a nitrogen atom, the same atoms are not directly bonded to each other, wherein R? represents an acyclic or cyclic alkyl group having 1 to 20 carbon atoms.Type: GrantFiled: March 14, 2017Date of Patent: June 7, 2022Assignee: DIC CorporationInventors: Sho Inagaki, Aya Ishizuka, Hideki Etori
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Publication number: 20210124267Abstract: A photosensitive film of the present invention includes a carrier film having a first surface whose surface roughness is 0.1 to 0.4 ?m, and a photosensitive layer formed on the first surface, in which a haze of the carrier film is 30 to 65%, and a spectral haze at a wavelength of 405 nm of the carrier film, as measured by providing a transparent resin layer in which a difference between a refractive index of the transparent resin layer and a refractive index of the photosensitive layer is within ±0.02 on the first surface, is 0.1 to 9.0%.Type: ApplicationFiled: May 9, 2019Publication date: April 29, 2021Applicants: Showa Denko Materials Co., Ltd., KIMOTO CO., LTD.Inventors: Hideki ETORI, Keiko KITAMURA, Yoshiaki FUSE, Nobuhito KOMURO
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Patent number: 10516115Abstract: Provided are a compound which is excellent in solubility in a solvent and easily provides a film exhibiting high mobility without complicated processes, an organic semiconductor material using the same, and an organic semiconductor ink which enables easy fabrication of an organic transistor composed of a practical configuration. The problems are solved by a method of producing a dinaphthothiophene derivative, the method including the following steps (I) and (II): (I) a first step of subjecting a naphthol derivative represented by General Formula (A) and a naphthalene thiol derivative represented by General Formula (B) to dehydration condensation in the presence of acid to produce a sulfide derivative represented by General formula (C); and (II) a second step of performing dehydrogenation reaction of the sulfide derivative (C) in the presence of a transition metal salt or a transition metal complex to produce a dinaphthothiophene derivative (D).Type: GrantFiled: July 21, 2016Date of Patent: December 24, 2019Assignee: DIC CORPORATIONInventors: Sho Inagaki, Ryo Minakuchi, Hideki Etori, Aya Ishizuka
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Publication number: 20190077732Abstract: There is provided a compound which provides a semiconductor material. The compound is represented by General Formula (1) wherein Ar represents an aryl group which may have a substituent or a heteroaryl group which may have a substituent, and R1 represents an acyclic alkyl group having 1 to 20 carbon atoms wherein hydrogen atom in the alkyl group may be replaced by a halogeno group, a nitrile group or an aryl group, and —CH2— in the alkyl group may be replaced by —O—, —R?C?CR?—, —CO—, —OCO—, —COO—, —S—, —SO2—, —SO—, —NH—, —NR?— or —C?C— provided that, with respect to each of an oxygen atom, a sulfur atom and a nitrogen atom, the same atoms are not directly bonded to each other, wherein R? represents an acyclic or cyclic alkyl group having 1 to 20 carbon atoms.Type: ApplicationFiled: March 14, 2017Publication date: March 14, 2019Inventors: Sho Inagaki, Aya Ishizuka, Hideki Etori
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Publication number: 20180248131Abstract: Provided are a compound which is excellent in solubility in a solvent and easily provides a film exhibiting high mobility without complicated processes, an organic semiconductor material using the same, and an organic semiconductor ink which enables easy fabrication of an organic transistor composed of a practical configuration. The problems are solved by a method of producing a dinaphthothiophene derivative, the method including the following steps (I) and (II): (I) a first step of subjecting a naphthol derivative represented by General Formula (A) and a naphthalene thiol derivative represented by General Formula (B) to dehydration condensation in the presence of acid to produce a sulfide derivative represented by General formula (C); and (II) a second step of performing dehydrogenation reaction of the sulfide derivative (C) in the presence of a transition metal salt or a transition metal complex to produce a dinaphthothiophene derivative (D).Type: ApplicationFiled: July 21, 2016Publication date: August 30, 2018Inventors: Sho INAGAKI, Ryo MINAKUCHI, Hideki ETORI, Aya ISHIZUKA
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Patent number: 9390830Abstract: There is provided a conductive paste for screen printing. The conductive paste includes: metal nanoparticles (Y) having a surface coated with a polymer compound having a branched polyalkyleneimine chain and a polymer chain selected from the group consisting of a polyoxyalkylene chain, a polymer chain composed of a polyvinyl alcohol, a polymer chain composed of a water-soluble poly(meth)acrylic acid, a polyacylalkyleneimine chain, and a polymer chain composed of a polyacrylamide; an aliphatic monocarboxylic acid having 6 to 10 carbon atoms and/or succinic anhydride; and an organic solvent (B). A polyalkylene glycol is used as the organic solvent (B).Type: GrantFiled: December 21, 2010Date of Patent: July 12, 2016Assignee: DIC CORPORATIONInventors: Shou Inagaki, Hideki Etori, Hiroshi Isozumi, Masanori Kasai
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Patent number: 9324956Abstract: There is provided an organic semiconductor material with which it is possible to manufacture an electronic element by a wet process which is low cost. Furthermore, the object is to provide an organic semiconductor electronic element which is hardly broken, light in weight and inexpensive, and has high characteristic. According to the present invention, it has been found that it is possible to provide an organic semiconductor material in which performance is improved and which is suitable for a wet process by optimizing a phthalocyanine derivative which configures a phthalocyanine nano-sized substance and the completion of the present invention has been reached. Furthermore, it is possible to provide an electronic element which has high durability, is hardly broken, light in weight, inexpensive and has high characteristic by using the organic semiconductor material in an electronic element active part (a semiconductor layer).Type: GrantFiled: April 4, 2013Date of Patent: April 26, 2016Assignee: DIC CorporationInventors: Hideki Etori, Hideyuki Murata, Shou Inagaki, Engel Michael
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Patent number: 9039941Abstract: There is provided a conductive paste for screen printing. The conductive paste includes: metal nanoparticles (Y) having an average particle diameter of 1 to 50 nm and protected with a polymer compound having a branched polyalkyleneimine chain and a polymer chain selected from the group consisting of a polyoxyalkylene chain, a polymer chain composed of a polyvinyl alcohol, a polymer chain composed of a water-soluble poly(meth)acrylic acid, a polyacylalkyleneimine chain having a hydrophilic substituent, and a polymer chain composed of a polyacrylamide; metal particles (Z) having an average particle diameter of 200 to 600 nm; a deprotecting agent (A) for the metal nanoparticles; and an organic solvent (B). An aliphatic monocarboxylic acid having 6 to 10 carbon atoms is used as the deprotecting agent (A) for the metal nanoparticles. A polyalkylene glycol is used as the organic solvent (B).Type: GrantFiled: December 21, 2010Date of Patent: May 26, 2015Assignee: DIC CORPORATIONInventors: Shou Inagaki, Hideki Etori, Hiroshi Isozumi, Masanori Kasai
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Publication number: 20150090975Abstract: There is provided an organic semiconductor material with which it is possible to manufacture an electronic element by a wet process which is low cost. Furthermore, the object is to provide an organic semiconductor electronic element which is hardly broken, light in weight and inexpensive, and has high characteristic. According to the present invention, it has been found that it is possible to provide an organic semiconductor material in which performance is improved and which is suitable for a wet process by optimizing a phthalocyanine derivative which configures a phthalocyanine nano-sized substance and the completion of the present invention has been reached. Furthermore, it is possible to provide an electronic element which has high durability, is hardly broken, light in weight, inexpensive and has high characteristic by using the organic semiconductor material in an electronic element active part (a semiconductor layer).Type: ApplicationFiled: April 4, 2013Publication date: April 2, 2015Inventors: Hideki Etori, Hideyuki Murata, Shou Inagaki, Engel Michael
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Patent number: 8895850Abstract: The present invention provides a phthalocyanine nanorod; an ink composition containing the phthalocyanine nanorod; a transistor containing the phthalocyanine nanorod; a material for a photoelectric conversion device, the material containing the phthalocyanine nanorod; and a photoelectric conversion device containing the phthalocyanine nanorod between the positive electrode and the negative electrode. Since an ink composition containing a nanorod according to the present invention can be formed into a film by a wet process such as a coating method or a printing method, an electronic device that is less likely to fail and is lightweight and inexpensive can be produced on a flexible plastic substrate.Type: GrantFiled: May 19, 2011Date of Patent: November 25, 2014Assignee: DIC Corporation (Tokyo)Inventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Patent number: 8866177Abstract: A microstructure for electroluminescent (EL) elements comprises a plurality of microconvexities having circular bottom surfaces. Each microconvexity is defined by a generatrix dropped from the peak to the circumference of the bottom surface. The height of the generatrix is monotonically reduced from the peak to the circumference. The height of the peak may be 0.67-1.15 times the radius of the bottom surface. The height of the convexities at a position on the radius of the bottom surface ¾ away from the center of the bottom surface may be 0.21-0.65 times the radius of the bottom surface. The height of the convexities at a position on the radius of the bottom surface 9/10 away from the center of the bottom surface may be 0.04-0.38 times the radius of the bottom surface.Type: GrantFiled: December 20, 2011Date of Patent: October 21, 2014Assignee: Kimoto Co., Ltd.Inventor: Hideki Etori
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Patent number: 8791173Abstract: An insulating ink composition for forming an insulating film, which sufficiently achieves a low calcination temperature, solvent resistance and an insulating property, is provided. Furthermore, an ink composition for forming an insulating film which can form, by the printing method, fine insulating film patterns necessary for formation of highly integrated organic transistors is provided. The present invention provides an ink composition which forms an insulating film, and includes an organic solvent, a polyvinylphenol-based resin, an epoxy resin and a cross-linking aid. Particularly, the ink composition is a composition wherein the organic solvent includes an organic solvent which has a vapor pressure of 11.3×102 Pa or higher at 20° C. and a boiling point of lower than 115° C. under atmospheric pressure and an organic solvent which has a vapor pressure of less than 11.3×102 Pa at 20° C. and a boiling point of 115° C.Type: GrantFiled: June 3, 2009Date of Patent: July 29, 2014Assignee: DIC CorporationInventors: Masayoshi Kotake, Hideki Etori, Toshihiro Ebine, Hiroshi Isozumi, Masanori Kasai
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Publication number: 20140158203Abstract: The present invention provides a phthalocyanine nanorod; an ink composition containing the phthalocyanine nanorod; a transistor containing the phthalocyanine nanorod; a material for a photoelectric conversion device, the material containing the phthalocyanine nanorod; and a photoelectric conversion device containing the phthalocyanine nanorod between the positive electrode and the negative electrode. Since an ink composition containing a nanorod according to the present invention can be formed into a film by a wet process such as a coating method or a printing method, an electronic device that is less likely to fail and is lightweight and inexpensive can be produced on a flexible plastic substrate.Type: ApplicationFiled: May 19, 2011Publication date: June 12, 2014Applicant: DIC CORPORATIONInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Patent number: 8629431Abstract: The present invention provides a photoelectric conversion device that is durable, lightweight, and inexpensive, and has a network structure of organic semiconductor nanowires that has high durability and is suitable for charge transport. In addition, to provide the photoelectric conversion device, the present invention provides, as an electron-donating material, a material for a photoelectric conversion device, the material including phthalocyanine nanowires having a breadth of 50 nm or less and a ratio (length/breadth) of a length to the breadth, the ratio being 10 or more. According to the present invention, a photoelectric conversion device having a long life due to high light resistance of phthalocyanine can be provided at a low cost. Use of such photoelectric conversion devices can constitute a solar-cell module having a long life due to the feature of the photoelectric conversion devices and being manufactured at a low cost.Type: GrantFiled: October 12, 2010Date of Patent: January 14, 2014Assignee: DIC CorporationInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki
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Patent number: 8603371Abstract: A method for producing surface convexes and concaves enabling easy and highly precise formation of desired convex and concave shapes using a photomask is provided. A mask member 20 having light transmitting sections and non-light transmitting sections is disposed over one side of a photosensitive film 10 consisting of a photosensitive resin composition with a light diffusing layer 30 disposed between the mask member 20 and the photosensitive film 10. Light is irradiated from a light source disposed on the side of the mask member 20 to expose the photosensitive film 10 through the light transmitting sections of the mask member 20, and exposed portions or unexposed portions of the photosensitive film 10 are removed by development to produce convexes and concaves on the photosensitive film 10 in shapes determined by shapes of the exposed portions or unexposed portions.Type: GrantFiled: March 26, 2007Date of Patent: December 10, 2013Assignee: Kimoto Co., Ltd.Inventor: Hideki Etori
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Publication number: 20130277664Abstract: A microstructure for electroluminescent (EL) elements comprises a plurality of microconvexities having circular bottom surfaces. Each microconvexity is defined by a generatrix dropped from the peak to the circumference of the bottom surface. The height of the generatrix is monotonically reduced from the peak to the circumference. The height of the peak may be 0.67-1.15 times the radius of the bottom surface. The height of the convexities at a position on the radius of the bottom surface 3/4 away from the center of the bottom surface may be 0.21-0.65 times the radius of the bottom surface. The height of the convexities at a position on the radius of the bottom surface 9/10 away from the center of the bottom surface may be 0.04-0.38 times the radius of the bottom surface.Type: ApplicationFiled: December 20, 2011Publication date: October 24, 2013Applicant: KIMOTO CO., LTD.Inventor: Hideki Etori
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Patent number: 8552089Abstract: There is provided an ink composition for forming a light shielding film in an organic semiconductor device which is capable of stably forming a fine pattern when forming a finely patterned light shielding film by the letterpress reverse printing method or microcontact printing method, which can be baked at a temperature equal to or less than the substrate heatproof temperature, and which is also capable of providing light shielding property and mechanical strength, the ink composition for forming a light shielding film in an organic semiconductor device which is an ink composition for forming a light shielding film in an organic semiconductor device comprising a black pigment; a resin component; a surface energy modifier; a quick-drying organic solvent; a slow-drying organic solvent; and a mold releasing agent, wherein the resin component comprises a solid resin that is in a solid state at 200° C. or less and a liquid resin that is in a liquid state at 10 to 50° C. at a ratio (solid resin/liquid resin) of 0.Type: GrantFiled: April 26, 2010Date of Patent: October 8, 2013Assignee: DIC CorporationInventors: Hideki Etori, Hiroshi Isozumi, Masanori Kasai
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Patent number: 8470204Abstract: The present invention provides phthalocyanine nanowires having a minor diameter of 100 nm or less and a ratio (length/minor diameter) of length to minor diameter of 10 or more, an ink composition characterized by containing, as essential components, the phthalocyanine nanowires and an organic solvent, a film including the phthalocyanine nanowires, and an electronic element including a film. Since by using an ink composition containing the phthalocyanine nanowires of the present invention a phthalocyanine film can be formed by a wet process such as coating or printing, a break-proof, lightweight, low-cost electronic element can be provided on a flexible plastic substrate.Type: GrantFiled: April 13, 2010Date of Patent: June 25, 2013Assignee: DIC CorporationInventors: Hideki Etori, Hideyuki Murata, Norimasa Fukazawa, Shou Inagaki, Hiroshi Isozumi, Masanori Kasai
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Patent number: 8449151Abstract: The present invention provides a light control film that can prevent generation of a moiré pattern when it is superimposed on another member having a regular structure while securing sufficient front luminance, and a backlight device using the same. The light control film of the present invention has a light control layer provided with an uneven pattern on a surface, and in this uneven pattern, a plurality of convexes having circular bases of approximately the same diameters are arranged so that the bases thereof should not overlap with one another and each should touch one or two or more other bases, and ratio of convexes arranged so that each of circular bases thereof should touch both bases of two convexes of which bases touch each other is controlled to be 50 to 92% among the total convexes arranged. The backlight device of the present invention is a backlight device incorporated with the aforementioned light control film.Type: GrantFiled: March 10, 2009Date of Patent: May 28, 2013Assignee: Kimoto Co., Ltd.Inventor: Hideki Etori
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Publication number: 20130056687Abstract: Provided is a conductive paste for screen printing, capable of being baked at a low temperature of 150° C. or lower and being printed on a plastic substrate that cannot be subjected to printing at high temperatures. The conductive paste for screen printing contains metal nanoparticles (Y) protected by an organic compound (X) containing a basic nitrogen atom; a deprotecting agent (A) for the metal nanoparticles; and an organic solvent (B), wherein an aliphatic monocarboxylic acid having 6 to 10 carbon atoms and/or an unsubstituted aliphatic dicarboxylic anhydride is used as the deprotecting agent (A) for the metal nanoparticles, and a polyalkylene glycol is used as the organic solvent (B).Type: ApplicationFiled: December 21, 2010Publication date: March 7, 2013Applicant: DIC CORPORATIONInventors: Shou Inagaki, Hideki Etori, Hiroshi Isozumi, Masanori Kasai