Patents by Inventor Takahiro Hino
Takahiro Hino 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: 11853093Abstract: In a power supply device, a voltage controller includes: a reference voltage circuit that generates a reference voltage based on an input voltage; a voltage control circuit that generates an output voltage of the voltage controller based on the input voltage by controlling an output current of the voltage controller so that the output voltage of the voltage controller corresponds to the reference voltage; and a first current detector circuit that detects the output current of the voltage controller, and generates a first current detection signal corresponding to the output current thereof. A current controller includes: a second current detector circuit that detects an output current of the current controller, and generates a second current detection signal corresponding to the output current thereof; and a current control circuit controls the output current of the current controller so that the second current detection signal corresponds to the first current detection signal.Type: GrantFiled: March 18, 2020Date of Patent: December 26, 2023Assignee: NISSHINBO MICRO DEVICES INC.Inventors: Hiroki Okuda, Takahiro Hino
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Patent number: 11592855Abstract: A constant voltage generator circuit is provided with an operational amplifier including a feedback circuit having a first resistor, and transistor, and generates a feedback voltage generated by dividing an output voltage between an output terminal and a substrate voltage potential of the constant voltage generator circuit by the first resistor and a second resistor. The operational amplifier is configured to amplify a voltage potential difference between a reference voltage and the feedback voltage and to output a control voltage. The output transistor controls an output voltage based on the control voltage from the operational amplifier, and the feedback circuit is further configured to superimpose high-frequency noise components from the substrate voltage potential onto the feedback voltage.Type: GrantFiled: March 25, 2022Date of Patent: February 28, 2023Assignee: NISSHINBO MICRO DEVICES INC.Inventor: Takahiro Hino
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Publication number: 20220214707Abstract: A constant voltage generator circuit is provided with an operational amplifier including a feedback circuit having a first resistor, and an output transistor. The operational amplifier generates a feedback voltage generated by dividing an output voltage between an output terminal and a substrate voltage potential of the constant voltage generator circuit by the first resistor and a second resistor. Then, the operational amplifier is configured to amplify a voltage potential difference between a predetermined reference voltage and the feedback voltage and to output a control voltage. The output transistor controls an output voltage based on the control voltage from the operational amplifier, and the feedback circuit is further configured to superimpose high-frequency noise components from the substrate voltage potential onto the feedback voltage.Type: ApplicationFiled: March 25, 2022Publication date: July 7, 2022Inventor: Takahiro Hino
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Patent number: 11314270Abstract: A constant voltage generator circuit is provided with an operational amplifier including a feedback circuit having a first resistor, and an output transistor. The operational amplifier generates a feedback voltage generated by dividing an output voltage between an output terminal and a substrate voltage potential of the constant voltage generator circuit by the first resistor and a second resistor. Then, the operational amplifier is configured to amplify a voltage potential difference between a predetermined reference voltage and the feedback voltage and to output a control voltage. The output transistor controls an output voltage based on the control voltage from the operational amplifier, and the feedback circuit is further configured to superimpose high-frequency noise components from the substrate voltage potential onto the feedback voltage.Type: GrantFiled: June 27, 2018Date of Patent: April 26, 2022Assignee: NISSHINBO MICRO DEVICES INC.Inventor: Takahiro Hino
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Publication number: 20210191442Abstract: A constant voltage generator circuit is provided with an operational amplifier including a feedback circuit having a first resistor, and an output transistor. The operational amplifier generates a feedback voltage generated by dividing an output voltage between an output terminal and a substrate voltage potential of the constant voltage generator circuit by the first resistor and a second resistor. Then, the operational amplifier is configured to amplify a voltage potential difference between a predetermined reference voltage and the feedback voltage and to output a control voltage. The output transistor controls an output voltage based on the control voltage from the operational amplifier, and the feedback circuit is further configured to superimpose high-frequency noise components from the substrate voltage potential onto the feedback voltage.Type: ApplicationFiled: June 27, 2018Publication date: June 24, 2021Applicant: RICOH ELECTRONIC DEVICES CO., LTD.Inventor: Takahiro HINO
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Patent number: 10124326Abstract: A modified solid polyalkylaluminoxane is provided, which is capable of providing ?-olefin suppressing adhesion of any polymer produced as a by-product onto the reactor wall and the stirrer, and which is capable of providing a highly active olefin oligomerization reaction catalyst. An olefin oligomerization reaction catalyst containing the modified solid polyalkylaluminoxane is also provided. The modified solid polyalkylaluminoxane for olefin oligomerization reactions contains structural units represented by general formula (a) and structural units represented by general formula (b), whose median diameter is equal to or larger than 0.1 ?m and equal to or smaller than 50 ?m, in which R? in the general formula (a) represents an alkyl group having 1 to 20 carbon atoms, and R? in the general formula (b) represents a halogenated alkoxy group having 1 to 20 carbon atoms or a halogenated aryloxy group having 6 to 20 carbon atoms.Type: GrantFiled: September 24, 2015Date of Patent: November 13, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kenji Sogoh, Yohei Kashiwame, Takahiro Hino
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Patent number: 10010865Abstract: Disclosed is a sanitary ware having a photocatalyst layer which has excellent durability even in an environment where the photocatalyst layer is exposed to an acid and an alkali alternately. The sanitary ware comprises a glaze layer, an intermediate layer provided on the glaze layer, and a photocatalyst layer provided on the intermediate layer, wherein the photocatalyst layer comprises titanium oxide in the amount of 95 mass % to 75 mass % and zirconium oxide in the amount of 5 mass % to 25 mass % and the intermediate layer comprises silica in the amount of 98 mass % to 85 mass %, and titanium oxide and/or zirconium oxide in the amount of 2 mass % to 15 mass %.Type: GrantFiled: September 13, 2016Date of Patent: July 3, 2018Assignee: Toto Ltd.Inventors: Takahiro Hino, Tomoyasu Ichiki, Shinichi Yagi, Satoshi Takano, Mitoki Higashi
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Patent number: 9919300Abstract: Disclosed is transition metal complex that serves as a catalytic component with which 1-hexene can be produced efficiently with excellent selectivity, even under high temperature conditions, by means of an ethylene trimerization reaction. Said transition metal complex is represented by the following general formula (1), wherein M1 represents a Group 4 transition metal atom, and R1 through R11 and X1 through X3 each independently represent a hydrogen atom, a halogen atom, or a specific organic group.Type: GrantFiled: October 21, 2016Date of Patent: March 20, 2018Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Yasutoyo Kawashima, Takahiro Hino, Taichi Senda, Masaya Tanimoto
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Publication number: 20170225155Abstract: A modified solid polyalkylaluminoxane is provided, which is capable of providing ?-olefin suppressing adhesion of any polymer produced as a by-product onto the reactor wall and the stirrer, and which is capable of providing a highly active olefin oligomerization reaction catalyst. An olefin oligomerization reaction catalyst containing the modified solid polyalkylaluminoxane is also provided. The modified solid polyalkylaluminoxane for olefin oligomerization reactions contains structural units represented by general formula (a) and structural units represented by general formula (b), whose median diameter is equal to or larger than 0.1 ?m and equal to or smaller than 50 ?m, in which R? in the general formula (a) represents an alkyl group having 1 to 20 carbon atoms, and R? in the general formula (b) represents a halogenated alkoxy group having 1 to 20 carbon atoms or a halogenated aryloxy group having 6 to 20 carbon atoms.Type: ApplicationFiled: September 24, 2015Publication date: August 10, 2017Inventors: Kenji SOGOH, Yohei KASHIWAME, Takahiro HINO
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Patent number: 9662645Abstract: Disclosed is a photocatalyst member including a glaze layer and a photocatalyst layer provided on the glaze layer, the photocatalyst layer is good in layer strength, water resistance, or abrasion resistance. More specifically, the photocatalyst member includes a base having a glaze layer and a photocatalyst layer that is provided on the glaze layer and contains titanium oxide and zirconium titanate, wherein the content of zirconium titanate in the photocatalyst layer is 15 to 75% by mass based on the total content of titanium oxide and zirconium titanate, and the content of zirconium titanate in an area from around an interface between the photocatalyst layer and the base to an median line in the thickness of the photocatalyst layer is larger than the content of zirconium titanate in an area near the external surface of the photocatalyst layer.Type: GrantFiled: September 26, 2013Date of Patent: May 30, 2017Assignee: Toto Ltd.Inventors: Satoshi Takano, Shinichi Yagi, Tomoyasu Ichiki, Takahiro Hino, Mitoki Higashi
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Publication number: 20170072384Abstract: Disclosed is a sanitary ware having a photocatalyst layer which has excellent durability even in an environment where the photocatalyst layer is exposed to an acid and an alkali alternately. The sanitary ware comprises a glaze layer, an intermediate layer provided on the glaze layer, and a photocatalyst layer provided on the intermediate layer, wherein the photocatalyst layer comprises titanium oxide in the amount of 95 mass % to 75 mass % and zirconium oxide in the amount of 5 mass % to 25 mass % and the intermediate layer comprises silica in the amount of 98 mass % to 85 mass %, and titanium oxide and/or zirconium oxide in the amount of 2 mass % to 15 mass %.Type: ApplicationFiled: September 13, 2016Publication date: March 16, 2017Inventors: Takahiro HINO, Tomoyasu ICHIKI, Shinichi YAGI, Satoshi TAKANO, Mitoki HIGASHI
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Publication number: 20170036200Abstract: Disclosed is transition metal complex that serves as a catalytic component with which 1-hexene can be produced efficiently with excellent selectivity, even under high temperature conditions, by means of an ethylene trimerization reaction. Said transition metal complex is represented by the following general formula (1), wherein M1 represents a Group 4 transition metal atom, and R1 through R11 and X1 through X3 each independently represent a hydrogen atom, a halogen atom, or a specific organic group.Type: ApplicationFiled: October 21, 2016Publication date: February 9, 2017Inventors: Yasutoyo KAWASHIMA, Takahiro HINO, Taichi SENDA, Masaya TANIMOTO
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Publication number: 20160023958Abstract: Disclosed is a process for producing a sanitary ware. The sanitary ware includes a glaze layer and a photocatalyst layer provided on the glaze layer. The photocatalyst layer is an oxide film including a co-fired product of a precursor of titanium oxide and a precursor of zirconium oxide and contains 65 to 85% by mass of titanium oxide and 15 to 35% by mass of zirconium oxide. The process includes the steps of applying a solution containing at least a precursor of titanium oxide and a precursor of zirconium oxide on a surface of a sanitary ware free from a photocalyst layer, and then firing the coating to form a photocatalyst layer.Type: ApplicationFiled: October 2, 2015Publication date: January 28, 2016Inventors: Shinichi YAGI, Takahiro HINO, Tomoyasu ICHIKI, Hiroaki AMEMORI, Satoshi TAKANO, Hiromasa TOKUDOME
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Patent number: 9242891Abstract: Disclosed are sanitary wares such as toilet bowls or wash bowls that have a glaze layer which can conceal the body of the sanitary wares satisfactorily without the need to use any opacifier and which is less likely to be contaminated. The sanitary ware includes: a sanitary ware body; and a glaze layer having a single-layer structure as a sole glaze layer on the sanitary ware body, the glaze layer comprising a phase-separated glass as the major part and the glaze layer having a surface roughness Ra of not more than 0.07 ?m. Thus, the body of the sanitary ware can be concealed satisfactorily, and, in a preferred embodiment, a good white color can be imparted to the sanitary ware.Type: GrantFiled: September 27, 2011Date of Patent: January 26, 2016Assignee: Toto Ltd.Inventors: Kohei Inokuchi, Takahiro Hino, Katsuhiro Kawakami, Tomoyasu Ichiki
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Publication number: 20150105237Abstract: Disclosed is a catalytic component for trimerization containing a transition metal complex with which 1-hexene can be produced efficiently with excellent selectivity, even under high temperature conditions, by means of an ethylene trimerization reaction. Also disclosed is a trimerization catalyst that is obtained by bringing an olefin copolymerization catalyst and an activating co-catalytic component into contact with one another. Said transition metal complex is represented by the following general formula (1), wherein M1 represents a Group 4 transition metal atom, and R1 through R11 and X1 through X3 each independently represent a hydrogen atom, a halogen atom, or a specific organic group.Type: ApplicationFiled: December 18, 2014Publication date: April 16, 2015Inventors: Yasutoyo KAWASHIMA, Takahiro HINO, Taichi SENDA, Masaya TANIMOTO
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Publication number: 20150105572Abstract: Disclosed is transition metal complex that serves as a catalytic component with which 1-hexene can be produced efficiently with excellent selectivity, even under high temperature conditions, by means of an ethylene trimerization reaction. Said transition metal complex is represented by the following general formula (1), wherein M1 represents a Group 4 transition metal atom, and R1 through R11 and X1 through X3 each independently represent a hydrogen atom, a halogen atom, or a specific organic group.Type: ApplicationFiled: December 18, 2014Publication date: April 16, 2015Inventors: Yasutoyo KAWASHIMA, Takahiro HINO, Taichi SENDA, Masaya TANIMOTO
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Patent number: 8957646Abstract: A constant voltage circuit includes an output control transistor to control an output current from an output terminal to keep an output voltage constant at a set voltage; and an excess-current protection circuit to control the output control transistor. The excess-current protection circuit includes a current increase restriction element to restrict increase in the output current to decrease the output voltage; a first current limitation circuit to limit a gate voltage of the output control transistor to decrease the output current, when the output voltage is decreased to a first limited voltage; a second current limitation circuit to limit a gate voltage of the output control transistor to decrease the output current, when the output voltage is decreased to a second limited voltage smaller than the first limited voltage; and a selector to select whether the first current limitation circuit is operated or stopped.Type: GrantFiled: December 19, 2012Date of Patent: February 17, 2015Assignee: Ricoh Company, Ltd.Inventors: Toshihisa Nagata, Takahiro Hino, Akihito Nagahama
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Publication number: 20140087179Abstract: Disclosed is a photocatalyst member including a glaze layer and a photoctalyst layer provided on the glaze layer, the photocatalyst layer is good in layer strength, water resistance, or abrasion resistance. More specifically, the photocatalyst member includes a base having a glaze layer and a photocatalyst layer that is provided on the glaze layer and contains titanium oxide and zirconium titanate, wherein the content of zirconium titanate in the photocatalyst layer is 15 to 75% by mass based on the total content of titanium oxide and zirconium titanate, and the content of zirconium titanate in an area from around an interface between the photocatalyst layer and the base to an median line in the thickness of the photocatalyst layer is larger than the content of zirconium titanate in an area near the external surface of the photocatalyst layer.Type: ApplicationFiled: September 26, 2013Publication date: March 27, 2014Applicant: TOTO LTD.Inventors: Satoshi TAKANO, Shinichi YAGI, Tomoyasu ICHIKI, Takahiro HINO, Mitoki HIGASHI
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Publication number: 20140017425Abstract: Disclosed is a sanitary ware including a photocatalyst layer that has a high level of water resistance and abrasion resistance while maintaining a good photocatalytic activity. The sanitary ware includes a glaze layer and a photocatalyst layer provided on the glaze layer. The photocatalyst layer is an oxide film that is a co-fired product of a precursor of titanium oxide and a precursor of zirconium oxide and contains 65 to 90% by mass of titanium oxide and 10 to 35% by mass of zirconium oxide.Type: ApplicationFiled: March 28, 2012Publication date: January 16, 2014Applicant: TOTO LTD.Inventors: Shinichi Yagi, Takahiro Hino, Tomoyasu Ichiki, Hiroaki Amemori, Satoshi Takano, Hiromasa Tokudome
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Publication number: 20140012056Abstract: Disclosed is a method for producing 1-hexene that is capable of reducing the amount of by-product polymers when 1-hexene is produced through the trimerization reaction of ethylene. The method for producing 1-hexene comprises the following steps 1 and 2: step 1: the step of preparing a catalytic component by bringing a transition metal complex represented by any one of formulae (1-1) to (1-3) into contact with a specific organic aluminum compound in the absence of ethylene; and step 2: the step of trimerizing ethylene in the presence of a catalyst obtainable by bringing the catalytic component obtained in step 1 into contact with a specific boron compound.Type: ApplicationFiled: March 29, 2012Publication date: January 9, 2014Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Takayuki Hishiya, Takahiro Hino, Taichi Senda