Patents by Inventor Kazuhiro Omori
Kazuhiro Omori 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: 20230157542Abstract: A slit lamp microscope according to an embodiment example includes a scanner, a first assessing processor, and a controller. The scanner is configured to perform application of a scan to an anterior segment of a subject’s eye with slit light to collect an image group. The first assessing processor is configured to execute an assessment of a quality of the image group collected by the scanner. The controller is configured to selectively execute at least two control modes according to a result of the assessment of the quality obtained by the first assessing processor.Type: ApplicationFiled: May 13, 2021Publication date: May 25, 2023Applicant: Topcon CorporationInventors: Hitoshi SHIMIZU, Kazuhiro OMORI, Hisashi TSUKADA
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Publication number: 20220248953Abstract: A slit lamp microscope of an aspect example includes a scanner, a controller, and an image set creation processor. The scanner is configured to scan an anterior segment of a subject's eye with slit light to collect an image group. The controller is configured to control the scanner to apply two or more scans to the anterior segment. The image set creation processor is configured to create an image set by selecting a series of images corresponding to a scan area from two or more image groups collected by the scanner in the two or more scans.Type: ApplicationFiled: June 1, 2020Publication date: August 11, 2022Applicant: Topcon CorporationInventors: Hitoshi SHIMIZU, Kazuhiro OMORI, Hisashi TSUKADA
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Publication number: 20200163938Abstract: The present invention provides a pharmaceutical composition comprising an iron chelating agent exhibiting antitumor activity, antimicrobial activity, and/or antivirus activity and having reduced side effects. Specifically, the present invention provides a pharmaceutical composition for use in treatment of cancer or infectious disease, comprising an iron chelating agent that selectively binds to biologically unstable iron, rather than to transferrin-bound iron.Type: ApplicationFiled: May 10, 2018Publication date: May 28, 2020Applicant: Disease Adsorption System Technologies Co., Ltd.Inventors: Yuzo NISHIDA, Toshiaki OHARA, Kazuhiro OMORI, Yasuko TOMONO
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Publication number: 20200121501Abstract: A laser treatment apparatus includes an irradiation system, a wavefront changing unit, and a controller. The irradiation system is configured to output laser light for treatment from a light source. The wavefront changing unit is configured to change a wave front of the laser light for treatment output by the irradiation system to guide the laser light for treatment whose wave front is changed to a patient's eye. The controller is configured to control the wavefront changing unit.Type: ApplicationFiled: December 22, 2019Publication date: April 23, 2020Applicant: TOPCON CORPORATIONInventors: Tatsuo YAMAGUCHI, Kazuhiro OMORI
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Patent number: 10307342Abstract: There is provided an oral biofilm inhibitor having an exceptional inhibitory effect on oral biofilm formation. It is an oral biofilm inhibitor comprising a curable composition containing an antimicrobial agent, wherein a compressive strength of a cured product formed by curing the composition is 150 MPa or less, and a content of the antimicrobial agent is 0.001 to 3% by weight. An oral biofilm inhibitor thus obtained is used for inhibiting biofilm formation in an oral cavity by applying a curable composition containing an antimicrobial agent to a dental defect site for allowing the composition to cure at the dental defect site, and then disintegrating the cured composition.Type: GrantFiled: August 21, 2015Date of Patent: June 4, 2019Assignee: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Kazuhiro Omori, Takashi Ito, Shogo Takashiba, Masao Irie
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Publication number: 20170273874Abstract: There is provided an oral biofilm inhibitor having an exceptional inhibitory effect on oral biofilm formation. It is an oral biofilm inhibitor comprising a curable composition containing an antimicrobial agent, wherein a compressive strength of a cured product formed by curing the composition is 150 MPa or less, and a content of the antimicrobial agent is 0.001 to 3% by weight. An oral biofilm inhibitor thus obtained is used for inhibiting biofilm formation in an oral cavity by applying a curable composition containing an antimicrobial agent to a dental defect site for allowing the composition to cure at the dental defect site, and then disintegrating the cured composition.Type: ApplicationFiled: August 21, 2015Publication date: September 28, 2017Applicant: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITYInventors: Kazuhiro OMORI, Takashi ITO, Shogo TAKASHIBA, Masao IRIE
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Patent number: 9668650Abstract: An ophthalmologic apparatus includes a two-dimensional scanning optical system, a refractive optical system, and a concave mirror. The two-dimensional scanning optical system deflects light from a light source in a first angle range. The refractive optical system deflects the light deflected by the two-dimensional scanning optical system in a second angle range that is wider than the first angle range. The concave mirror includes a reflective surface in at least part of the rotational symmetry surface, and reflects the light emitted from the refractive optical system. The exit-side optical axis of the refractive optical system substantially coincides with the rotational symmetry axis of the rotational symmetry surface. The pupil location in the refractive optical system and the exit focus of the concave mirror are located at optically conjugate positions or in the vicinity of the positions. The exit focus is located at a subject's eye position.Type: GrantFiled: April 8, 2015Date of Patent: June 6, 2017Assignee: KABUSHIKI KAISHA TOPCONInventors: Takao Tanabe, Ikuo Ishinabe, Kazuhiro Omori, Takuji Sato
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Patent number: 9336955Abstract: The present invention relates to a niobium alloy for capacitors comprising as an alloy component from 0.01 to 10 atom % of at least one element selected from the group consisting of the elements belonging to Groups 2 to 16 of the periodic table and further comprising diniobium mononitride crystals of from 0.1 to 70 mass %, wherein a powder of the niobium alloy has an average particle size of 0.05 to 5 ?m and a BET specific surface area of 0.5 to 40 m2/g, a granulated product of the niobium alloy having an average particle size of 10 to 500 ?m, a sintered body of the powder of the niobium alloy or granulated product thereof, a capacitor and a producing method thereof using the sintered body. A niobium capacitor using the powder of the niobium alloy of the present invention or a granulated product thereof has high capacitance and small leakage current value and is excellent in high-temperature property and heat resistance property.Type: GrantFiled: December 3, 2009Date of Patent: May 10, 2016Assignee: SHOWA DENKO K.K.Inventors: Kazuhiro Omori, Kazumi Naito
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Publication number: 20150282707Abstract: An ophthalmologic apparatus includes a two-dimensional scanning optical system, a refractive optical system, and a concave mirror. The two-dimensional scanning optical system deflects light from a light source in a first angle range. The refractive optical system deflects the light deflected by the two-dimensional scanning optical system in a second angle range that is wider than the first angle range. The concave mirror includes a reflective surface in at least part of the rotational symmetry surface, and reflects the light emitted from the refractive optical system. The exit-side optical axis of the refractive optical system substantially coincides with the rotational symmetry axis of the rotational symmetry surface. The pupil location in the refractive optical system and the exit focus of the concave mirror are located at optically conjugate positions or in the vicinity of the positions. The exit focus is located at a subject's eye position.Type: ApplicationFiled: April 8, 2015Publication date: October 8, 2015Applicant: KABUSHIKI KAISHA TOPCONInventors: Takao TANABE, Ikuo ISHINABE, Kazuhiro OMORI, Takuji SATO
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Publication number: 20120037223Abstract: An object of the present invention is to provide a binder resin for a conductive paste, which can be used to obtain a conductive paste having a high conductive powder dispersibility, an ability to form high-aspect-ratio lines, and a low residual carbon content after firing. Further objects of the invention are to provide a conductive paste and a solar cell element produced using such a binder resin for a conductive paste. The invention provides a binder resin for a conductive paste, which includes a polymer having a main chain composed of a segment derived from a (meth)acrylate monomer and having also a phosphoric acid-based component represented by general formula (1) below at an ? position thereon. In general formula (1), X is an oxygen atom or a sulfur atom, and R1 and R2 are each a hydrogen atom, a hydrocarbon group having 1 to 13 carbon atoms, a hydroxyl group-containing group having 1 to 13 carbon atoms or an ester bond-containing group having 1 to 13 carbon atoms.Type: ApplicationFiled: June 25, 2010Publication date: February 16, 2012Inventors: Isao Yamanaka, Shintaro Moriguchi, Kenji Yamauchi, Hiroshi Hiraike, Kazuhiro Omori, Daihei Sugita
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Patent number: 7986508Abstract: (1) A niobium monoxide powder for a capacitor represented by formula: NbOx (x=0.8 to 1.2) and optionally containing other elements in an amount of 50 to 200,000 ppm, having a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1000 ?m, angle of repose from 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a producing method thereof; (2) a niobium monoxide sintered body, which is obtained by sintering the above niobium monoxide powder and, having a plurality of pore diameter peak tops in a range of 0.01 ?m to 500 ?m, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 ?m and in the range of 0.7 to 3 ?m, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof; and (4) an electronic circuit and electronic device using the above capacitor.Type: GrantFiled: May 3, 2010Date of Patent: July 26, 2011Assignee: Showa Denko K.K.Inventors: Kazuhiro Omori, Kazumi Naito, Toshiya Kawasaki, Wada Kouichi
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Patent number: 7811355Abstract: The present invention relates to niobium powder for a capacitor, comprising a niobium layer and a mixed layer of silicon nitride and niobium, the mixed layer being present in the vicinity of the powder particle surface; granulated niobium powder thereof; a niobium sintered body using the niobium powder and the granulated powder; and a capacitor using the sintered body as one electrode. The niobium powder for a capacitor of the present invention enables to produce a niobium capacitor having a high capacitance, a low leakage current, a low ESR and good tan ? characteristics and being excellent particularly in the properties of the breakdown voltage and soldering heat resistance.Type: GrantFiled: November 9, 2004Date of Patent: October 12, 2010Assignee: Showa Denko K.K.Inventors: Kazuhiro Omori, Hitoshi Amita
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Publication number: 20100213407Abstract: (1) A niobium monoxide powder for a capacitor represented by formula: NbOx (x=0.8 to 1.2) and optionally containing other elements in an amount of 50 to 200,000 ppm, having a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1000 ?m, angle of repose from 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a producing method thereof; (2) a niobium monoxide sintered body, which is obtained by sintering the above niobium monoxide powder and, having a plurality of pore diameter peak tops in a range of 0.01 ?m to 500 ?m, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 ?m and in the range of 0.7 to 3 ?m, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof; and (4) an electronic circuit and electronic device using the above capacitor.Type: ApplicationFiled: May 3, 2010Publication date: August 26, 2010Applicant: SHOWA DENKO K.K.Inventors: Kazuhiro OMORI, Kazumi Naito, Toshiya Kawasaki, Kouichi Wada
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Publication number: 20100208414Abstract: (1) A niobium monoxide powder for a capacitor represented by formula: NbOx (x=0.8 to 1.2) and optionally containing other elements in an amount of 50 to 200,000 ppm, having a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1000 ?m, angle of repose from 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a producing method thereof; (2) a niobium monoxide sintered body, which is obtained by sintering the above niobium monoxide powder and, having a plurality of pore diameter peak tops in a range of 0.01 ?m to 500 ?m, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 ?m and in the range of 0.7 to 3 ?m, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof; and (4) an electronic circuit and electronic device using the above capacitor.Type: ApplicationFiled: May 3, 2010Publication date: August 19, 2010Applicant: SHOWA DENKO K.K.Inventors: Kazuhiro OMORI, Kazumi Naito, Toshiya Kawasaki, Kouichi Wada
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Patent number: 7737066Abstract: (1) A niobium monoxide powder for a capacitor represented by formula: NbOx (x=0.8 to 1.2) and optionally containing other elements in an amount of 50 to 200,000 ppm, having a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1000 ?m, angle of repose from 10° to 60°, the BET specific surface area from 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a producing method thereof; (2) a niobium monoxide sintered body, which is obtained by sintering the above niobium monoxide powder and, having a plurality of pore diameter peak tops in a range of 0.01 ?m to 500 ?m, preferably, the peak tops of two peaks among the plurality of pore diameter peak tops having a highest relative intensity are present in the range of 0.2 to 0.7 ?m and in the range of 0.7 to 3 ?m, respectively, and a producing method thereof; (3) a capacitor using the above sintered body and a producing method thereof; and (4) an electronic circuit and electronic device using the above capacitor.Type: GrantFiled: March 7, 2003Date of Patent: June 15, 2010Assignee: Showa Denko K.K.Inventors: Kazuhiro Omori, Kazumi Naito, Toshiya Kawasaki, Kouichi Wada
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Patent number: 7713466Abstract: The invention provides a valve-acting metal sintered body for anode of a solid electrolytic capacitor, having a high capacitance, well impregnated with cathode material, and exhibiting excellent properties particularly when having a large volume, a capacitor having a low ESR, an excellent tan ? value and good long-term reliability such as moisture resistance and heat resistance by using the sintered body, and a production method therefor comprising the following steps: coating/printing/shaping a granulated product of a mixed dispersion containing a pore-forming agent, an organic binder and a primary powder or secondary aggregated powder of at least one member selected from valve-acting metal, a valve-acting metal compound and a valve-acting metal alloy or a granulated powder thereof, and a solvent, or compressing and shaping the granulated product of a mixture obtained by removing the solvent from the dispersion; sintering the shaped article containing a pore-forming agent; and removing the pore-forming agentType: GrantFiled: April 27, 2004Date of Patent: May 11, 2010Assignee: Showa Denko K.K.Inventors: Kazuhiro Omori, Yoshinori Shibuya
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Publication number: 20100086434Abstract: The present invention relates to a niobium alloy for capacitors comprising as an alloy component from 0.01 to 10 atom of at least one element selected from the group consisting of the elements belonging to Groups 2 to 16 of the periodic table and further comprising diniobium mononitride crystals of from 0.1 to 70 mass %, wherein a powder of the niobium alloy has an average particle size of 0.05 to 5 ?m and a BET specific surface area of 0.5 to 40 m2/g, a granulated product of the niobium alloy having an average particle size of 10 to 500 ?m, a sintered body of the powder of the niobium alloy or granulated product thereof, a capacitor and a producing method thereof using the sintered body. A niobium capacitor using the powder of the niobium alloy of the present invention or a granulated product thereof has high capacitance and small leakage current value and is excellent in high-temperature property and heat resistance property.Type: ApplicationFiled: December 3, 2009Publication date: April 8, 2010Applicant: SHOWA DENKO K.KInventors: Kazuhiro OMORI, Kazumi Naito
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Patent number: 7648553Abstract: The present invention relates to a niobium alloy for capacitors comprising as an alloy component from 0.01 to 10 atom % of at least one element selected from the group consisting of the elements belonging to Groups 2 to 16 of the periodic table and further comprising diniobium mononitride crystals of from 0.1 to 70 mass %, wherein a powder of the niobium alloy has an average particle size of 0.05 to 5 ?m and a BET specific surface area of 0.5 to 40 m2/g, a granulated product of the niobium alloy having an average particle size of 10 to 500 ?m, a sintered body of the powder of the niobium alloy or granulated product thereof, a capacitor and a producing method thereof using the sintered body. A niobium capacitor using the powder of the niobium alloy of the present invention or a granulated product thereof has high capacitance and small leakage current value and is excellent in high-temperature property and heat resistance property.Type: GrantFiled: December 10, 2002Date of Patent: January 19, 2010Assignee: Showa Denko K.K.Inventors: Kazuhiro Omori, Kazumi Naito
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Publication number: 20090256014Abstract: The present invention provides a method of efficiently producing niobium powder, niobium alloy powder, niobium hydride powder or niobium hydride alloy powder for a capacitor, which enables production of capacitor having a high capacitance per unit mass and good leakage current characteristics with narrow variation, and also provides a production method for sintered body and a capacitor using the niobium powder, niobium alloy powder, niobium hydride powder or niobium hydride alloy powder. According to the present invention, by grinding niobium hydride powder or niobium hydride alloy powder with a grinding aid having a density of 2 to 3.6 g/cm3 and a fracture toughness value of 1.5 MPa·m1/2 or more, such as beads made of silicon nitride or a compound containing silicon nitride, a niobium powder with high capacitance can be efficiently produced.Type: ApplicationFiled: June 19, 2009Publication date: October 15, 2009Applicant: SHOWA DENKO K.K.Inventors: Hitoshi AMITA, Kazuhiro OMORI
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Patent number: 7594947Abstract: A niobium powder comprising at least one element selected from the group consisting of chromium, molybdenum, tungsten, boron, aluminum, gallium, indium, thallium, cerium, neodymium, titanium, rhenium, ruthenium, rhodium, palladium, silver, zinc, silicon, germanium, tin, phosphorus, arsenic, bismuth, rubidium, cesium, magnesium, strontium, barium, scandium, yttrium, lanthanum, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, hafnium, vanadium, osmium, iridium, platinum, gold, cadmium, mercury, lead, selenium and tellurium; a sintered body of the niobium powder; and a capacitor comprising a sintered body as one electrode, a dielectric material formed on the surface of the sintered body, and counter electrode provided on the dielectric material.Type: GrantFiled: January 13, 2003Date of Patent: September 29, 2009Assignee: Showa Denko K.K.Inventors: Kazuhiro Omori, Kazumi Naito