Patents by Inventor Izumi Omoto
Izumi Omoto 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: 9180648Abstract: A laminate for a laminated glass, comprising an interlayer film for a laminated glass laminated with a retardation element interposed between an adhesive layer A and an adhesive layer B, wherein the retardation element contains a liquid-crystal compound and at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), and a compound represented by the following formula (3). In formula (1), n represents an integer from 3 to 10 and R2 represents a —CH2—CH2— group, a —CH2—CH(CH3)— group, or a —CH2—CH2—CH2— group. In formula (2), R3 represents a —(CH2)p— group or a phenylene group and p represents an integer from 4 to 8. In formula (3), R4 represents a substituted phenylene group. R1-1, R1-2, and R1-3 in formulas (1) to (3) are the same or different, each representing an alkyl group that has a branched structure and that contains at least 5 carbon atoms.Type: GrantFiled: December 22, 2009Date of Patent: November 10, 2015Assignees: SEKISUI CHEMICAL CO., LTD., NIPPON KAYAKU KABUSHIKI KAISHA, POLATECHNO CO., LTD.Inventors: Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Kouichi Tanaka, Mayu Kameda
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Patent number: 9181479Abstract: A retardation element containing a liquid crystalline compound, and at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2) and a compound represented by the following formula (3). In the formula (1), n represents an integer of 3 to 10 and R2 represents a —CH2—CH2— group, a —CH2—CH(CH3)— group or a —CH2—CH2—CH2— group. In the formula (2), R3 represents a —(CH2)p— group or a phenylene group and p represents an integer of 4 to 8. In the formula (3), R4 represents a substituted phenylene group. In the formulas (1) to (3), R1-1, R1-2 and R1-3 each represent an alkyl group having a branched structure having 5 or more carbon atoms and R1-1, R1-2 and R1-3 may be the same or different.Type: GrantFiled: December 8, 2009Date of Patent: November 10, 2015Assignees: SEKISUI CHEMICAL CO., LTD., NIPPON KAYAKU KABUSHIKI KAISHA, POLATECHNO CO., LTDInventors: Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Kouichi Tanaka, Mayu Kameda
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Patent number: 9017536Abstract: An object of the present invention is to provide a method for measuring hemoglobin that enables short-time, high-accuracy measurement of hemoglobin, in particular stable hemoglobin A1c, which is used as a diagnostic indicator of diabetes mellitus, and an electrophoresis apparatus that is suitably used in this measurement method. The present invention provides a method for measuring hemoglobins using electrophoresis, which includes: using a migration path having an inner surface coated with a cationic substance to be immobilized on the inner surface or a migration path having an inner surface made of a cationic material; and using a buffer solution containing a water-soluble polymer having an anionic group as an electrophoresis buffer solution.Type: GrantFiled: December 26, 2007Date of Patent: April 28, 2015Assignee: Sekisui Chemical Co., Ltd.Inventors: Kazuyuki Oishi, Izumi Omoto, Eriko Kusaka, Toshiki Kawabe
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Patent number: 8557394Abstract: A laminate for a laminated glass which is used as a head-up display (HUD) and is not deteriorated even if exposed to light, and with which a laminated glass having excellent impact resistance can be prepared, wherein an interlayer film for a laminated glass and a retardation element sandwiched between adhesive layers are laminated, the interlayer film for a laminated glass contains a thermoplastic resin and an ultraviolet absorber, the interlayer film for a laminated glass contains, as the ultraviolet absorber, a benzotriazole compound or a benzophenone compound, and at least one compound selected from the group consisting of a malonic ester compound, an oxanilide compound and a triazine compound.Type: GrantFiled: January 2, 2013Date of Patent: October 15, 2013Assignees: Sekisui Chemical Co., Ltd., Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.Inventors: Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Kouichi Tanaka, Mayu Kameda
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Patent number: 8367216Abstract: A laminate for a laminated glass which is used as a head-up displays (HUD) and is not deteriorated even if exposed to light, and with which a laminated glass having excellent impact resistance can be prepared, wherein an interlayer film for a laminated glass and a retardation element sandwiched between adhesive layers are laminated, the interlayer film for a laminated glass contains a thermoplastic resin and an ultraviolet absorber, the interlayer film for a laminated glass contains, as the ultraviolet absorber, a benzotriazole compound or a benzophenone compound, and at least one compound selected from the group consisting of a malonic ester compound, an oxanilide compound and a triazine compound.Type: GrantFiled: December 22, 2009Date of Patent: February 5, 2013Assignees: Sekisui Chemical Co., Ltd., Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.Inventors: Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Kouichi Tanaka, Mayu Kameda
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Patent number: 8257567Abstract: An object of the present invention is to provide a method for measuring hemoglobin using electrophoresis, in particular a method for measuring hemoglobin that enables high accuracy measurement of stable hemoglobin A1c and a method for simultaneously measuring stable hemoglobin A1c and abnormal hemoglobins. The present invention provides a method for measuring hemoglobin using electrophoresis, which comprises: immobilizing an ionic polymer on an inner surface of a migration path; and using a buffer solution containing a sulfated polysaccharide.Type: GrantFiled: October 12, 2007Date of Patent: September 4, 2012Assignee: Sekisui Chemical Co., Ltd.Inventors: Kazuyuki Oishi, Izumi Omoto, Toshiki Kawabe, Eriko Kusaka
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Publication number: 20120021230Abstract: The present invention aims to provide a laminate for a laminated glass which is used as a head-up display (HUD) and is not deteriorated even if exposed to light, and with which a laminated glass having excellent impact resistance can be prepared. The present invention pertains to a laminate for a laminated glass, wherein an interlayer film for a laminated glass and a retardation element sandwiched between adhesive layers are laminated, the interlayer film for a laminated glass contains a thermoplastic resin and an ultraviolet absorber, the interlayer film for a laminated glass contains, as the ultraviolet absorber, a benzotriazole compound or a benzophenone compound, and at least one compound selected from the group consisting of a malonic ester compound, an oxanilide compound and a triazine compound, the sum of the contents of the malonic ester compound, the oxanilide compound and the triazine compound is 0.Type: ApplicationFiled: December 22, 2009Publication date: January 26, 2012Inventors: Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Kouichi Tanaka, Mayu Kameda
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Publication number: 20110293857Abstract: An object of the present invention is to provide a laminate for a laminated glass that exhibits an excellent heat resistance, exhibits little variation in its retardation value in high-temperature atmospheres, and can maintain stable optical properties. The present invention is a laminate for a laminated glass, comprising an interlayer film for a laminated glass laminated with a retardation element interposed between an adhesive layer A and an adhesive layer B, wherein the retardation element contains a liquid-crystal compound and at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), and a compound represented by the following formula (3). In formula (1), n represents an integer from 3 to 10 and R2 represents a —CH2—CH2— group, a —CH2—CH(CH3)— group, or a —CH2—CH2—CH2— group. In formula (2), R3 represents a —(CH2)p— group or a phenylene group and p represents an integer from 4 to 8.Type: ApplicationFiled: December 22, 2009Publication date: December 1, 2011Inventors: Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Kouichi Tanaka, Mayu Kameda
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Publication number: 20110293856Abstract: The present invention aims at providing a retardation element which has excellent heat resistance, is small in the changes in the retardation value in an atmosphere of high temperatures, and is capable of maintaining stable optical performance. The present invention pertains to a retardation element containing a liquid crystalline compound, and at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2) and a compound represented by the following formula (3). In the formula (1), n represents an integer of 3 to 10 and R2 represents a —CH2—CH2— group, a —CH2—CH(CH3)— group or a —CH2—CH2—CH2— group. In the formula (2), R3 represents a —(CH2)p— group or a phenylene group and p represents an integer of 4 to 8. In the formula (3), R4 represents a substituted phenylene group.Type: ApplicationFiled: December 8, 2009Publication date: December 1, 2011Inventors: Juichi Fukatani, Izumi Omoto, Seiko Ichikawa, Kouichi Tanaka, Mayu Kameda
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Publication number: 20100282607Abstract: An object of the present invention is to provide a method for measuring hemoglobin using electrophoresis, in particular a method for measuring hemoglobin that enables high accuracy measurement of stable hemoglobin A1c and a method for simultaneously measuring stable hemoglobin A1c and abnormal hemoglobins. The present invention provides a method for measuring hemoglobin using electrophoresis, which comprises: immobilizing an ionic polymer on an inner surface of a migration path; and using a buffer solution containing a sulfated polysaccharide.Type: ApplicationFiled: October 12, 2007Publication date: November 11, 2010Inventors: Kazuyuki Oishi, Izumi Omoto, Toshiki Kawabe, Eriko Kusaka
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Publication number: 20100006436Abstract: An object of the present invention is to provide a method for measuring hemoglobin that enables short-time, high-accuracy measurement of hemoglobin, in particular stable hemoglobin A1c, which is used as a diagnostic indicator of diabetes mellitus, and an electrophoresis apparatus that is suitably used in this measurement method. The present invention provides a method for measuring hemoglobins using electrophoresis, which includes: using a migration path having an inner surface coated with a cationic substance to be immobilized on the inner surface or a migration path having an inner surface made of a cationic material; and using a buffer solution containing a water-soluble polymer having an anionic group as an electrophoresis buffer solution.Type: ApplicationFiled: December 26, 2007Publication date: January 14, 2010Inventors: Kazuyuki Oishi, Izumi Omoto, Eriko Kusaka, Toshiki Kawabe
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Patent number: 7632688Abstract: It is an object of the present invention to provide magnetic substance-encapsulated particles which have uniform magnetism, high dispersion stability and a narrow particle size distribution, a method of producing the same, particles for immunoassay formed by using the magnetic substance-encapsulated particles and a method of immunoassay in which the magnetic substance-encapsulated particles or the particles for immunoassay are used. The present invention relates to a magnetic substance-encapsulated particle, which comprises an organic polymer material and a magnetic substance having an average particle size of 1 to 30 nm, the magnetic substance being contained within a particle in a state of being dispersed.Type: GrantFiled: April 16, 2004Date of Patent: December 15, 2009Assignee: Sekisui Chemical Co., Ltd.Inventors: Takayuki Oka, Izumi Omoto, Haruma Kawaguchi, Wataru Wakui
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Publication number: 20060188932Abstract: It is an object of the present invention to provide magnetic substance-encapsulated particles which have uniform magnetism, high dispersion stability and a narrow particle size distribution, a method of producing the same, particles for immunoassay formed by using the magnetic substance-encapsulated particles and a method of immunoassay in which the magnetic substance-encapsulated particles or the particles for immunoassay are used. The present invention relates to a magnetic substance-encapsulated particle, which comprises an organic polymer material and a magnetic substance having an average particle size of 1 to 30 nm, the magnetic substance being contained within a particle in a state of being dispersed.Type: ApplicationFiled: April 16, 2004Publication date: August 24, 2006Inventors: Takayuki Oka, Izumi Omoto, Haruma Kawaguchi, Wataru Wakui