Patents by Inventor Nobuyuki Hokari
Nobuyuki Hokari 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: 20210337852Abstract: A solid food composition which achieves both chewy texture and easiness in biting off is provided. A solid food composition includes a foodstuff containing insoluble dietary fibers. The solid food composition contains edible part and insoluble dietary fiber localized site of one or more foodstuffs containing insoluble dietary fibers. The content of the foodstuff is 5 to 95 mass %, insoluble dietary fiber content is equal or greater than 3 mass %, moisture content is less than 30 mass %, 50% integrated diameter of particle size in aqueous dispersion of the solid food composition after ultrasonication is more than 5 ?m and 1,000 ?m or less and an average of minimum differential value is equal or greater than ?900 kN/m2%.Type: ApplicationFiled: May 10, 2021Publication date: November 4, 2021Applicant: MIZKAN HOLDINGS CO., LTD.Inventors: Ryoichi Oda, Shintarou Hiramatsu, Nobuyuki Hokari, Daisuke Nishioka
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Patent number: 9422826Abstract: A start control unit for a steam turbine plant, wherein inputting a measured value of a steam temperature fed to a steam turbine, a measured value or an estimated value of a rotor temperature of the steam turbine, and a measured value of a casing temperature of the steam turbine, and controlling a steam flow rate so as to increase the steam flow rate fed to the steam turbine when a difference between the steam temperature and the rotor temperature is smaller than a first regulated value and a difference between the rotor temperature and the casing temperature is a second regulated value or larger.Type: GrantFiled: June 25, 2014Date of Patent: August 23, 2016Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Eunkyeong Kim, Yasuhiro Yoshida, Takuya Yoshida, Tatsuro Yashiki, Nobuyuki Hokari, Kenichiro Nomura, Kazunori Yamanaka, Fumiyuki Suzuki, Masaaki Tomizawa, Yuichi Takahashi
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Patent number: 8920548Abstract: The CO2 capture system by chemical absorption for removing CO2 from a combustion exhaust gas by a solvent, comprising: an absorber for absorbing CO2 by a solvent, a regenerator for heating a rich solvent absorbed CO2 thereby releasing CO2, a gas exhaust system for discharging gas from the regenerator, a gas compressor installed in the gas exhaust system, a heat exchanger disposed downstream of the gas compressor for exchanging heat between compressed gas and rich solvent to be supplied to the regenerator, a gas-liquid separator disposed downstream of the heat exchanger for separating gas from condensed water, a condensed water supply system for supplying condensed water from the gas-liquid separator to the regenerator, another gas exhaust system for discharging gas containing high-concentration CO2 from the gas-liquid separator, and a compressor disposed downstream of the gas-liquid separator in the another gas exhaust system for pressurizing the gas containing high-concentration CO2.Type: GrantFiled: December 28, 2012Date of Patent: December 30, 2014Assignee: Babcock-Hitachi K.K.Inventors: Nobuyuki Hokari, Hisayuki Orita, Masaaki Mukaide, Jun Shimamura, Kouichi Yokoyama, Noriko Yoshida
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Publication number: 20140373540Abstract: A start control unit for a steam turbine plant, wherein inputting a measured value of a steam temperature fed to a steam turbine, a measured value or an estimated value of a rotor temperature of the steam turbine, and a measured value of a casing temperature of the steam turbine, and controlling a steam flow rate so as to increase the steam flow rate fed to the steam turbine when a difference between the steam temperature and the rotor temperature is smaller than a first regulated value and a difference between the rotor temperature and the casing temperature is a second regulated value or larger.Type: ApplicationFiled: June 25, 2014Publication date: December 25, 2014Inventors: Eunkyeong KIM, Yasuhiro YOSHIDA, Takuya YOSHIDA, Tatsuro YASHIKI, Nobuyuki HOKARI, Kenichiro NOMURA, Kazunori YAMANAKA, Fumiyuki SUZUKI, Masaaki TOMIZAWA, Yuichi TAKAHASHI
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Patent number: 8894757Abstract: The CO2 capture system by chemical absorption for removing CO2 from a combustion exhaust gas by a solvent, comprising: an absorber for absorbing CO2 by a solvent, a regenerator for heating a rich solvent absorbed CO2 thereby releasing CO2, a gas exhaust system for discharging gas from the regenerator, a gas compressor installed in the gas exhaust system, a heat exchanger disposed downstream of the gas compressor for exchanging heat between compressed gas and rich solvent to be supplied to the regenerator, a gas-liquid separator disposed downstream of the heat exchanger for separating gas from condensed water, a condensed water supply system for supplying condensed water from the gas-liquid separator to the regenerator, another gas exhaust system for discharging gas containing high-concentration CO2 from the gas-liquid separator, and a compressor disposed downstream of the gas-liquid separator in the another gas exhaust system for pressurizing the gas containing high-concentration CO2.Type: GrantFiled: December 28, 2012Date of Patent: November 25, 2014Assignee: Babcock-Hitachi K.K.Inventors: Nobuyuki Hokari, Hisayuki Orita, Masaaki Mukaide, Jun Shimamura, Kouichi Yokoyama, Noriko Yoshida
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Patent number: 8500881Abstract: The present invention discloses a carbon dioxide capture power generation system provided with a boiler to combust a fuel in the oxygen atmosphere, a carbon dioxide capture equipment to remove carbon dioxide in the wake flow of the boiler, a piping branching from the wake flow of the boiler to recycle the combustion exhaust gas to the boiler, and a desulfurization equipment to remove sulfur oxides and a sulfuric acid removal equipment to remove a sulfuric acid gas in the upstream of carbon dioxide capture equipment and in the wake flow of the boiler.Type: GrantFiled: August 19, 2010Date of Patent: August 6, 2013Assignee: Hitachi, Ltd.Inventors: Hisayuki Orita, Masaaki Mukaide, Nobuyuki Hokari, Tsuyoshi Shibata, Masayuki Taniguchi
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Publication number: 20110076216Abstract: The present invention discloses a carbon dioxide capture power generation system provided with a boiler to combust a fuel in the oxygen atmosphere, a carbon dioxide capture equipment to remove carbon dioxide in the wake flow of the boiler, a piping branching from the wake flow of the boiler to recycle the combustion exhaust gas to the boiler, and a desulfurization equipment to remove sulfur oxides and a sulfuric acid removal equipment to remove a sulfuric acid gas in the upstream of carbon dioxide capture equipment and in the wake flow of the boiler.Type: ApplicationFiled: August 19, 2010Publication date: March 31, 2011Applicant: Hitachi, Ltd.Inventors: Hisayuki Orita, Masaaki Mukaide, Nobuyuki Hokari, Tsuyoshi Shibata, Masayuki Taniguchi
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Patent number: 7767076Abstract: The reforming of heavy oil with supercritical water or subcritical water is accomplished by mixing together supercritical water, heavy oil, and oxidizing agent, thereby oxidizing vanadium in heavy oil with the oxidizing agent at the time of treatment with supercritical water and separate vanadium oxide. The separated vanadium oxide is removed by the scavenger after treatment with supercritical water. In this way it is possible to solve the long-standing problem with corrosion of turbine blades by vanadium which arises when heavy oil is used as gas turbine fuel.Type: GrantFiled: February 1, 2007Date of Patent: August 3, 2010Assignee: Hitachi, Ltd.Inventors: Nobuyuki Hokari, Tomohiko Miyamoto, Hirokazu Takahashi, Hiromi Koizumi
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Patent number: 7707816Abstract: A gas turbine system burning heavy-oil modified fuel and a method of operating the gas turbine system, which covers from a stage of modifying heavy oil and producing gas turbine fuel to a stage of operating a gas turbine, including startup, ordinary shutdown and emergency shutdown of the gas turbine. The gas turbine system burning heavy-oil modified fuel comprises a reactor for mixing heavy oil and water to cause reaction, thereby separating and removing a heavy component from the heavy oil, a gas-liquid separator for separating hydrocarbon gas and modified oil obtained in the reactor from each other, a gas turbine combustor for burning the hydrocarbon gas supplied from the gas-liquid separator, and a gas turbine driven by combustion gas produced in the gas turbine combustor. The system further comprises another line for extracting the hydrocarbon gas externally of a relevant system region.Type: GrantFiled: February 23, 2006Date of Patent: May 4, 2010Assignees: Hitachi, Ltd., Petroleum Energy CenterInventors: Hirokazu Takahashi, Shinichi Inage, Kouji Nishida, Nobuyuki Hokari, Osami Yokota, Akinori Hayashi, Shinsuke Kokubo
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Patent number: 7658078Abstract: A heavy oil reforming system includes a reforming preheater raising the temperature of a mixed fluid comprising a high pressure heavy oil and high pressure steam up to a temperature for reforming reaction. The mixed fluid having been heated up to the temperature for reforming reaction is introduced into a reformer kept at the temperature for reforming reaction and thereby the heavy oil is reformed. This reforming system allows the attainment of a residence time of 1 to 10 min necessary for reforming in a uniform or nearly uniform temperature field, thereby implementing the manufacturing of reformed fuels from a large volume of heavy oil.Type: GrantFiled: July 29, 2005Date of Patent: February 9, 2010Assignees: Hitachi, Ltd., Petroleum Energy CenterInventors: Koji Nishida, Nobuyuki Hokari, Shin-ichi Inage, Osami Yokota, Hirokazu Takahashi, Masahiko Yamagishi, Akinori Hayashi
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Patent number: 7611676Abstract: In a method for producing gas turbine fuel through the step of modifying heavy fuel oil with the use of an asphaltene-insoluble solvent, the utilization factor of the heavy fuel oil usable as gas turbine fuel is increased by making asphaltene selectively removable. A solvent having a specific inductive capacity in the range of 1.4 to 2.0 is used as the asphaltene-insoluble solvent. In particular, water controlled in temperature and pressure so as to have a specific inductive capacity in the above range is used as the asphaltene-insoluble solvent. By using such a solvent, an asphaltene component contained in the heavy fuel oil can be selectively removed and power generation can be performed while utilizing 95% or more of the heavy fuel oil.Type: GrantFiled: September 25, 2006Date of Patent: November 3, 2009Assignees: Hitachi, Ltd., Petroleum Energy CenterInventors: Shinichi Inage, Hirokazu Takahashi, Koji Nishida, Akinori Hayashi, Nobuyuki Hokari, Osami Yokota, Shinsuke Kokubo, Tetsuo Sasada, Tsunemasa Nishijima, Toshifumi Sasao
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Patent number: 7594387Abstract: A gas turbine which can be easily employed in an area where it is hard to obtain a sufficient amount of water, such as an isolated island. Heated and pressurized heavy oil and water in a supercritical state are mixed with each other in a modifying unit to produce fuel-purpose modified oil. The fuel-purpose modified oil is depressurized by a depressurizing valve. Due to a temperature fall caused by adiabatic expansion with the depressurization, the fuel-purpose modified oil is brought into a two-phase state where moisture is in a gas phase (steam) and modified oil is in a liquid phase. The fuel-purpose modified oil is separated into the steam and the modified oil by a gas-liquid separator. The separated steam is condensed to water in a condenser and returned to a water supply line. The modified oil in the liquid phase is supplied to a combustor, thereby driving a gas turbine.Type: GrantFiled: July 12, 2005Date of Patent: September 29, 2009Assignees: Hitachi, Ltd., Petroleum Energy CenterInventors: Shinichi Inage, Nobuyuki Hokari, Osami Yokota, Hirokazu Takahashi, Masahiko Yamagishi
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Patent number: 7591983Abstract: The invention is intended to produce high-pressure light fuel gas with good combustibility by contacting and reacting high-temperature, high-pressure water and heavy oil with each other in a contact-reaction unit to extract light oil components from the heavy oil and to remove metals. The high-temperature, high-pressure water and the heavy oil are introduced to the contact-reaction unit for contact and reaction with each other therein. Heavy oil components not dissolved in the high-temperature, high-pressure water are separated by precipitation from hydrocarbon gases and light oil components which are dissolved in the high-temperature, high-pressure water. The separated heavy oil components are burnt or incinerated without any further modification.Type: GrantFiled: August 4, 2004Date of Patent: September 22, 2009Assignees: Hitachi, Ltd., Petroleum Energy CenterInventors: Hirokazu Takahashi, Shinichi Inage, Nobuyuki Hokari, Masahiko Yamagishi, Akinori Hayashi, Osami Yokota, Youji Ishibashi
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Publication number: 20090032436Abstract: The invention is intended to produce high-pressure light fuel gas with good combustibility by contacting and reacting high-temperature, high-pressure water and heavy oil with each other in a contact-reaction unit to extract light oil components from the heavy oil and to remove metals. The high-temperature, high-pressure water and the heavy oil are introduced to the contact-reaction unit for contact and reaction with each other therein. Heavy oil components not dissolved in the high-temperature, high-pressure water are separated by precipitation from hydrocarbon gases and light oil components which are dissolved in the high-temperature, high-pressure water. The separated heavy oil components are burnt or incinerated without any further modification.Type: ApplicationFiled: September 30, 2008Publication date: February 5, 2009Inventors: Hirokazu Takahashi, Shinichi Inage, Nobuyuki Hokari, Masahiko Yamagishi, Akinori Hayashi, Osami Yokota, Youji Ishibashi
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Patent number: 7435330Abstract: A heavy oil reforming method which reforms a heavy oil to give a fuel suitable for a gas turbine, eliminates sulfur and vanadium, i.e., harmful components, from a heavy oil, and enables almost all the hydrocarbons in the heavy oil to be used in gas turbine combustion; an apparatus therefor; and a gas turbine power generation system using the reformed heavy oil as fuel is disclosed. The method includes reacting a heavy oil with supercritical water and then with a scavenger for sulfur and vanadium to eliminate sulfur and vanadium from the heavy oil.Type: GrantFiled: October 7, 2003Date of Patent: October 14, 2008Assignee: Hitachi, Ltd.Inventors: Nobuyuki Hokari, Tomohiko Miyamoto, Hirokazu Takahashi, Atsushi Morihara, Hiromi Koizumi
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Publication number: 20080099373Abstract: The reforming of heavy oil with supercritical water or subcritical water is accomplished by mixing together supercritical water, heavy oil, and oxidizing agent, thereby oxidizing vanadium in heavy oil with the oxidizing agent at the time of treatment with supercritical water and separate vanadium oxide. The separated vanadium oxide is removed by the scavenger after treatment with supercritical water. In this way it is possible to solve the long-standing problem with corrosion of turbine blades by vanadium which arises when heavy oil is used as gas turbine fuel.Type: ApplicationFiled: June 11, 2007Publication date: May 1, 2008Inventors: Nobuyuki Hokari, Tomohiko Miyamoto, Hirokazu Takahashi, Hiromi Koizumi
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Publication number: 20070215522Abstract: In a method for producing gas turbine fuel through the step of modifying heavy fuel oil with the use of an asphaltene-insoluble solvent, the utilization factor of the heavy fuel oil usable as gas turbine fuel is increased by making asphaltene selectively removable. A solvent having a specific inductive capacity in the range of 1.4 to 2.0 is used as the asphaltene- insoluble solvent. In particular, water controlled in temperature and pressure so as to have a specific inductive capacity in the above range is used as the asphaltene-insoluble solvent. By using such a solvent, an asphaltene component contained in the heavy fuel oil can be selectively removed and power generation can be performed while utilizing 95% or more of the heavy fuel oil.Type: ApplicationFiled: September 25, 2006Publication date: September 20, 2007Inventors: Shinichi Inage, Hirokazu Takahashi, Koji Nishida, Akinori Hayashi, Nobuyuki Hokari, Osami Yokota, Shinsuke Kokubo, Tetsuo Sasada, Tsunemasa Nishijima, Toshifumi Sasao
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Patent number: 7264710Abstract: The reforming of heavy oil with supercritical water or subcritical water is accomplished by mixing together supercriticai water, heavy oil, and oxidizing agent, thereby oxidizing vanadium in heavy oil with the oxidizing agent at the time of treatment with supercritical water and separate vanadium oxide. The separated vanadium oxide is removed by the scavenger after treatment with supercritical water. In this way it is possible to solve the long-standing problem with corrosion of turbine blades by vanadium which arises when heavy oil is used as gas turbine fuel.Type: GrantFiled: September 18, 2002Date of Patent: September 4, 2007Assignee: Hitachi, Ltd.Inventors: Nobuyuki Hokari, Tomohiko Miyamoto, Hirokazu Takahashi, Hiromi Koizumi
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Publication number: 20070144941Abstract: The reforming of heavy oil with supercritical water or subcritical water is accomplished by mixing together supercritical water, heavy oil, and oxidizing agent, thereby oxidizing vanadium in heavy oil with the oxidizing agent at the time of treatment with supercritical water and separate vanadium oxide. The separated vanadium oxide is removed by the scavenger after treatment with supercritical water. In this way it is possible to solve the long-standing problem with corrosion of turbine blades by vanadium which arises when heavy oil is used as gas turbine fuel.Type: ApplicationFiled: February 1, 2007Publication date: June 28, 2007Inventors: Nobuyuki Hokari, Tomohiko Miyamoto, Hirokazu Takahashi, Hiromi Koizumi
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Publication number: 20060288705Abstract: A gas turbine which can be easily employed in an area where it is hard to obtain a sufficient amount of water, such as an isolated island. Heated and pressurized heavy oil and water in a supercritical state are mixed with each other in a modifying unit to produce fuel-purpose modified oil. The fuel-purpose modified oil is depressurized by a depressurizing valve. Due to a temperature fall caused by adiabatic expansion with the depressurization, the fuel-purpose modified oil is brought into a two-phase state where moisture is in a gas phase (steam) and modified oil is in a liquid phase. The fuel-purpose modified oil is separated into the steam and the modified oil by a gas-liquid separator. The separated steam is condensed to water in a condenser and returned to a water supply line. The modified oil in the liquid phase is supplied to a combustor, thereby driving a gas turbine.Type: ApplicationFiled: July 12, 2005Publication date: December 28, 2006Inventors: Shinichi Inage, Nobuyuki Hokari, Osami Yokota, Hirokazu Takahashi, Masahiko Yamagishi