Patents by Inventor Keiko Shimizu
Keiko Shimizu 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: 12152510Abstract: In one embodiment, a thermal energy storage power plant includes a thermal accumulator to accumulate thermal energy and heat a thermal medium with the thermal energy, and a steam generator to generate steam using the thermal medium. The plant further includes a first path to convey the thermal medium from the accumulator to the generator, and a second path to convey the thermal medium from the generator to the accumulator. The plant further includes an auxiliary module provided on the first path, and a bypass path to convey the thermal medium flowing through the second path to the auxiliary module by bypassing the accumulator, wherein the auxiliary module is supplied with a first thermal medium from the accumulator via the first path, supplied with a second thermal medium from the second path via the bypass path, and supplies a third thermal medium to the generator via the first path.Type: GrantFiled: July 26, 2023Date of Patent: November 26, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Taufiq Hilal Tawab, Toyohiro Akebi, Jianda Goh, Hiromutsu Miki, Keiko Shimizu, Masakazu Shirakawa, Atsushi Matsuzaki, Takahiro Mori, Hironori Watanabe, Yusuke Fukamachi, Syuntaro Abe, Chikako Iwaki
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Publication number: 20240288224Abstract: In one embodiment, a heat storage power generation system includes a heater to heat first fluid, and a heat storage to be heated by the first fluid, and heat second fluid with heat stored in the heat storage. The system further includes a generator to generate electric power by using the second fluid, and one or more first path switchers provided on a first path through which the first fluid is circulated between the heater and heat storage. The system further includes one or more second path switchers provided on a second path through which the second fluid is circulated between the heat storage and generator, one or more third path switchers provided on a third path through which at least one of the first and second fluids is circulated between the heater and generator, and a switching controller to control the first, second and third path switchers.Type: ApplicationFiled: November 30, 2021Publication date: August 29, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Hironori WATANABE, Keiko SHIMIZU, Naoto NAKAGAWA, Masakazu SHIRAKAWA, Atsushi MATSUZAKI, Hiromutsu MIKI, Toyohiro AKEBI, Taufiq Hilal TAWAB, Takahiro MORI, Yusuke FUKAMACHI, Syuntaro ABE, Chikako IWAKI, Takashi MAWATARI
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Publication number: 20240240575Abstract: In one embodiment, a thermal energy storage power plant includes a thermal accumulator to accumulate thermal energy and heat a thermal medium with the thermal energy, and a steam generator to generate steam using the thermal medium. The plant further includes a first path to convey the thermal medium from the accumulator to the generator, and a second path to convey the thermal medium from the generator to the accumulator. The plant further includes an auxiliary module provided on the first path, and a bypass path to convey the thermal medium flowing through the second path to the auxiliary module by bypassing the accumulator, wherein the auxiliary module is supplied with a first thermal medium from the accumulator via the first path, supplied with a second thermal medium from the second path via the bypass path, and supplies a third thermal medium to the generator via the first path.Type: ApplicationFiled: July 26, 2023Publication date: July 18, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Taufiq Hilal TAWAB, Toyohiro AKEBI, Jianda GOH, Hiromutsu MIKI, Keiko SHIMIZU, Masakazu SHIRAKAWA, Atsushi MATSUZAKI, Takahiro MORI, Hironori WATANABE, Yusuke FUKAMACHI, Syuntaro ABE, Chikako IWAKI
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Publication number: 20240219941Abstract: In one embodiment, a heat storage power generation system includes a heater to heat first fluid, and a heat storage to be heated by the first fluid, and heat second fluid with heat stored in the heat storage. The system further includes a generator to generate electric power by using the second fluid, a heating controller to control heating of the first fluid by the heater, and a power generation controller to control power generation performed by the generator. The heating controller controls the heating of the first fluid, based on two or more limit values among a first limit value related to an amount of energy consumption by the heater, a second limit value related to temperature of the first fluid, a third limit value related to internal temperature of the heat storage, and a fourth limit value related to a change rate of the internal temperature.Type: ApplicationFiled: November 30, 2021Publication date: July 4, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Atsushi HASHIMOTO, Keiko SHIMIZU, Masakazu SHIRAKAWA, Atsushi MATSUZAKI, Hiromutsu MIKI, Toyohiro AKEBI, Taufiq Hilal TAWAB, Takahiro MORI, Hironori WATANABE, Yusuke FUKAMACHI, Syuntaro ABE, Chikako IWAKI, Takashi MAWATARI
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Publication number: 20240117759Abstract: A power generation facility in an embodiment includes: a boiler; a high-pressure turbine to which steam generated in the boiler is introduced; a low-pressure turbine provided downstream of the high-pressure turbine; and a condenser that condenses steam discharged from the low-pressure turbine. The power generation facility further includes: a feed pipe that leads feedwater in the condenser to the boiler; a heat storage and steam generation device that has a heat storage function that uses surplus energy generated in an own system to store heat, and a steam generation function that has part of feedwater led by the feed pipe introduced thereinto and turns the feedwater into steam by the stored heat; and a steam supply pipe that supplies steam generated in the heat storage and steam generation device to an own system.Type: ApplicationFiled: July 19, 2023Publication date: April 11, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Hiromutsu MIKI, Keiko SHIMIZU, Hiroki SHIRAISHI, Yoshihiro IWATA, Yukitoshi OOTA
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Publication number: 20220337067Abstract: A power control apparatus of an embodiment controls power to be output to a power system from a power station including a power generation unit, and a power storage unit. The power control apparatus includes a power generation control unit, a power storage control unit, and a cooperation control unit. The power generation control unit controls an output of the power generation unit based on a power generation set value. The power storage control unit controls an output of the power storage unit based on a power storage set value. The cooperation control unit outputs the power generation set value to the power generation control unit and outputs the power storage set value to the power storage control unit based on a power demand amount of the power system so as to make the power generation unit and the power storage unit operate in a cooperative manner.Type: ApplicationFiled: December 27, 2021Publication date: October 20, 2022Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Atsushi MATSUZAKI, Keiko SHIMIZU, Haruo OGUCHI, Akinori TANI, Takahisa HOSHINO, Kojiro TADA
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Patent number: 10378375Abstract: In one embodiment, a power generation planning support apparatus includes an acquiring module configured to acquire a physical quantity that represents a startup condition of a turbine. The apparatus further includes a first storage module configured to store first information that represents a relationship between a startup schedule of the turbine and the physical quantity. The apparatus further includes a predicting module configured to predict the startup schedule of the turbine, based on the physical quantity acquired by the acquiring module and the first information stored in the first storage module. The apparatus further includes an outputting module configured to output the startup schedule predicted by the predicting module.Type: GrantFiled: February 11, 2016Date of Patent: August 13, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Tsukasa Takeuchi, Makoto Takahashi, Yoji Kubo, Masaki Katsumata, Toyohiro Akebi, Masaru Dejima, Keiko Shimizu, Dai Murayama, Shingo Tamaru
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Publication number: 20160247074Abstract: In one embodiment, a power generation planning support apparatus includes an acquiring module configured to acquire a physical quantity that represents a startup condition of a turbine. The apparatus further includes a first storage module configured to store first information that represents a relationship between a startup schedule of the turbine and the physical quantity. The apparatus further includes a predicting module configured to predict the startup schedule of the turbine, based on the physical quantity acquired by the acquiring module and the first information stored in the first storage module. The apparatus further includes an outputting module configured to output the startup schedule predicted by the predicting module.Type: ApplicationFiled: February 11, 2016Publication date: August 25, 2016Applicant: Kabushiki Kaisha ToshibaInventors: Tsukasa TAKEUCHI, Makoto TAKAHASHI, Yoji KUBO, Masaki KATSUMATA, Toyohiro AKEBI, Masaru DEJIMA, Keiko SHIMIZU, Dai MURAYAMA, Shingo TAMARU
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Publication number: 20150184553Abstract: According to one embodiment, a controlling apparatus is a controlling apparatus to control a combined cycle power plant that includes at least a plurality of units, each of the units including a gas turbine; an heat recovering steam generator that recovers heat of exhaust gas from the gas turbine and generates steam from an incorporated drum; and a turbine bypass regulating valve that sends the steam generated from the drum while keeping a predetermined pressure, and comprises a steam header unit that merges together the steam generated from a plurality of the drums; and a steam turbine to which the steam in the steam header unit is supplied. The controlling apparatus comprising a controlling unit that controls a plurality of the turbine bypass regulating valves based on a steam pressure detected in the steam header unit when the plurality of the units are linked.Type: ApplicationFiled: December 18, 2014Publication date: July 2, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Sayaka AKIYAMA, Masayuki TOBO, Keiko SHIMIZU
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Patent number: 6010903Abstract: Disclosed is a monoclonal antibody which specifically reacts with active human ceruloplasmin as well as a method for diagnosing Wilson's disease using the same. The monoclonal antibody of the present invention specifically reacts with active human ceruloplasmin, it neutralizes the peroxidase activity of the active human ceruloplasmin upon binding thereto, and it does not specifically react with inactive human ceruloplasmin.Type: GrantFiled: April 7, 1995Date of Patent: January 4, 2000Assignee: Idemitsu Kosan Company LimitedInventors: Shuichi Hiyamuta, Keiko Shimizu, Akihiko Kadota
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Patent number: 5491066Abstract: Disclosed is a monoclonal antibody which specifically reacts with active human ceruloplasmin as well as a method for diagnosing Wilson's disease using the same. The monoclonal antibody of the present invention specifically reacts with active human ceruloplasmin, it neutralizes the peroxidase activity of the active human ceruloplasmin upon binding thereto, and it does not specifically react with inactive human ceruloplasmin.Type: GrantFiled: March 11, 1993Date of Patent: February 13, 1996Assignee: Idemitsu Kosan Company LimitedInventors: Shuichi Hiyamuta, Keiko Shimizu, Akihiko Kodota
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Patent number: 5213974Abstract: The process for producing mureidomycin A, B, C or D or a salt thereof by cultivating Streptomyces flavidovirens SANK 60486, FERM BP-1347, in a culture medium therefor and isolating mureidomycin A, B, C or D or a salt thereof from the cultured broth.Type: GrantFiled: February 22, 1991Date of Patent: May 25, 1993Assignee: Sankyo Company, LimitedInventors: Tatsuo Haneishi, Masatoshi Inukai, Keiko Shimizu, Fujio Isono, Yoshiharu Sakaida, Takeshi Kinoshita
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Patent number: 5041423Abstract: New antibiotics of the mureidomycin group have the formula ##STR1##wherein X represents the group ##STR2##and wherein R represents hydrogen, an alkyl group having from 1 to 10 carbon atoms, an alkenyl group having from 2 to 7 carbon atoms, an alkynyl group having from 3 to 7 carbon atoms, an aryl group having from 6 to 10 carbon atoms, an aralkyl group having from 7 to 10 carbon atoms, or one of the said aryl or aralkyl groups substituted with at least one substituent selected from halogen and alkyl groups having from 1 to 5 carbon atoms. The compound in which X represents 8-hydroxy-1,2,3,4-tetrahydroisoquinolin-3-yl is named mureidomycin E and the compound in which X represents 6-hydroxy-1,2,3,4-tetrahydroisoquinolin-3-yl is named mureidomycin F. This group of compounds and their pharmaceutically acceptable esters and salts are useful as antibiotics for the treatment of bacterial infections.Type: GrantFiled: November 17, 1988Date of Patent: August 20, 1991Assignee: Sankyo Company, LimitedInventors: Tatsuo Haneishi, Masatoshi Inukai, Keiko Shimizu, Fujio Isono, Yoshiharu Sakaida, Takeshi Kinoshita
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Patent number: 5039663Abstract: Novel compounds, called mureidomycins A, B, C and D, may be prepared by cultivation of a suitable microorganism of the genus Streptomyces, especially Streptomyces flavidovirens SANK 60486 (FERM P-8636, FERM BP-1347). These represent a wholly new class of antibiotics, which are valuable in the treatment of infections caused by a variety of bacteria, notably of the genus Pseudomonas.Type: GrantFiled: October 4, 1988Date of Patent: August 13, 1991Assignee: Sankyo Company LimitedInventors: Tatsuo Haneishi, Masatoshi Inukai, Keiko Shimizu, Fujio Isono, Yoshiharu Sakaida, Takeshi Kinoshita
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Patent number: 5001058Abstract: A new antibiotic having the chromophore structure of the plurmycin family of antibiotics is produced by fermentation of Streptomyces violaceus ATCC 53807. The new antibiotic designated BU-3839T, exhibits potent antibacterial activity and also inhibits the growth of tumors in experimental animal systems.Type: GrantFiled: November 17, 1989Date of Patent: March 19, 1991Assignee: Bristol-Myers CompanyInventors: Masataka Konishi, Keiko Shimizu, Masaru Ohbayashi, Koji Tomita, Takeo Miyaki, Toshikazu Oki
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Patent number: 4992376Abstract: An new antibiotic having the chromophore structure of the pluramycin family of antibiotics is produced by fermentation of Streptomyces violaceus ATCC 53807. The new antibiotic designated BU-3839T, exhibits potent antibacterial activity and also inhibits the growth of tumors in experimental animal systems.Type: GrantFiled: July 23, 1990Date of Patent: February 12, 1991Assignee: Bristol-Myers CompanyInventors: Masataka Konishi, Keiko Shimizu, Masaru Ohbayashi, Koji Tomita, Takeo Miyaki, Toshikazu Oki
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Patent number: 4927848Abstract: A new antibiotic having the chromophore structure of the pluramycin family of antibiotics is produced by fermentation of Streptomyces ciolaceus ATCC 53807. The new antibiotic designated BU-3839T, exhibits potent antibacterial activity and also inhibits the growth of tumors in experimental animal systems.Type: GrantFiled: September 19, 1988Date of Patent: May 22, 1990Assignee: Bristol-Myers CompanyInventors: Masataka Konishi, Keiko Shimizu, Masaru Ohbayashi, Koji Tomita, Takeo Miyaki, Toshikazu Oki