Patents by Inventor Masaru Tanaka
Masaru Tanaka 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: 11920077Abstract: No studies have been made regarding what kinds of refrigerants should be used in a refrigeration cycle device for a vehicle. An air conditioner (1) for a vehicle includes a refrigerant circuit (10) and a refrigerant that is sealed in the refrigerant circuit (10). The refrigerant circuit (10) includes a compressor (80), a first heat exchanger (85), which serves as a heat dissipater in a dehumidifying heating mode, an outside-air heat exchanger (82), a cooling control valve (87), and a second heat exchanger (86), which serves as an evaporator in the dehumidifying heating mode. The refrigerant is a refrigerant having a low GWP.Type: GrantFiled: July 16, 2019Date of Patent: March 5, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Eiji Kumakura, Kazuhiro Furusho, Masaru Tanaka, Shun Ohkubo, Mitsushi Itano, Yuuki Yotsumoto, Akihito Mizuno, Tomoyuki Gotou, Yasufu Yamada, Tatsumi Tsuchiya, Kenji Gobou, Hitomi Kuroki, Daisuke Karube, Tatsuya Takakuwa, Tetsushi Tsuda
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Patent number: 11912922Abstract: A showcase includes a refrigerant circuit and a refrigerant enclosed in the refrigerant circuit. The refrigerant circuit includes a compressor (121), a radiator (122), an expansion valve (123), and an evaporator (124). The refrigerant is a low-GWP refrigerant.Type: GrantFiled: July 16, 2019Date of Patent: February 27, 2024Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shinichi Fujinaka, Masaru Tanaka, Shun Ohkubo, Mitsushi Itano, Yuuki Yotsumoto, Akihito Mizuno, Tomoyuki Gotou, Yasufu Yamada, Hitomi Kuroki, Tatsumi Tsuchiya, Kenji Gobou, Daisuke Karube, Tatsuya Takakuwa
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Patent number: 11827832Abstract: Provided is grease capable of suppressing a decrease in a function as a lubricant even when used in a device installed in a refrigerant circuit in which a refrigerant containing a chlorine atom and an olefin bond in a molecule flows, and a refrigeration cycle apparatus using the grease as a lubricant. Grease that is used in a device installed in a refrigerant circuit in which a refrigerant containing a chlorine atom and an olefin bond in a molecule flows contains fluorine as a component. In a chiller apparatus, the grease is used as a lubricant for at least one of a first radial touchdown bearing and a second radial touchdown bearing of a compressor, a drive portion of an inlet guide vane of the compressor, and a drive portion of an expansion valve.Type: GrantFiled: September 23, 2022Date of Patent: November 28, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventor: Masaru Tanaka
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Patent number: 11808499Abstract: A refrigerant replacement method for a refrigeration apparatus is intended to replace a first refrigerant charged into a refrigerant circuit of the refrigeration apparatus with a second refrigerant. The second refrigerant is used together with a refrigerating machine oil having a higher additive content by percentage than another refrigerating machine oil to be used together with the first refrigerant. The method includes: a refrigerant recovery step of recovering the first refrigerant from the refrigerant circuit; an oil charging step of additionally charging a refrigerating machine oil having a predetermined additive content by percentage into the refrigerant circuit; and a refrigerant charging step of charging the second refrigerant into the refrigerant circuit. The predetermined additive content by percentage is higher than the additive content by percentage of the refrigerating machine oil to be used together with the second refrigerant.Type: GrantFiled: July 6, 2022Date of Patent: November 7, 2023Assignee: Daikin Industries, Ltd.Inventors: Naoki Shimozono, Tomomi Yokoyama, Ryuuji Takeuchi, Masaru Tanaka
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Patent number: 11807796Abstract: The position of the stabilizer container 7 in the circulation route is not limited. The stabilizer container 7 is preferably disposed between the evaporator and the condenser between which the refrigerant flows in the circulation route as a liquid refrigerant. Specifically, the stabilizer container 7 is preferably disposed between the outdoor heat exchanger 4 and the expansion mechanism 5 or between the indoor heat exchanger 6 and the expansion mechanism 5. During cooling, the outdoor heat exchanger 4 functions as a condenser and the indoor heat exchanger 6 functions as an evaporator. During heating, the outdoor heat exchanger 4 functions as an evaporator and the indoor heat exchanger 6 functions as a condenser.Type: GrantFiled: October 31, 2017Date of Patent: November 7, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tatsumi Tsuchiya, Kouhei Koba, Masaru Tanaka
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Publication number: 20230251263Abstract: [Problem to be Solved] To provide a polymer material having cancer cell adhesion properties while having biocompatibility. [Means to Solve the Problem] A composition for cancer cell adhesion according to the present invention comprises a biocompatible copolymer comprising: at least one repeating unit (A) represented by the following formula (1): wherein R1 represents a methyl group or an ethyl group; and at least one repeating unit (B) represented by the following formula (2): wherein R2 represents an aliphatic hydrocarbon group.Type: ApplicationFiled: July 9, 2021Publication date: August 10, 2023Applicants: MARUZEN PETROCHEMICAL CO., LTD., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORP.Inventors: Kento FUJIURA, Tomoya UEDA, Masaru TANAKA
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Publication number: 20230166013Abstract: A first object of the present invention is to provide an antithrombotic cell adhesion sheet having excellent antithrombotic properties and cell adhesion properties. In addition, a second object of the present invention is to provide a medical device with a sheet using the antithrombotic cell adhesion sheet. The antithrombotic cell adhesion sheet of the present invention is a sheet formed b using a compound represented by General Formula (1). In General Formula (1), R1 and R4 each independently represent a hydrogen atom or a methyl group. R2 and R3 each independently represent —CH2CH(RA1)CH2—. p and r represent 1. q represents 0 or 1. m and n each independently represent an integer of 2 to 6. RA1 represents a hydrogen atom or a methyl group.Type: ApplicationFiled: January 13, 2023Publication date: June 1, 2023Applicants: FUJIFILM Corporation, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Atsushi SUGASAKI, Yosuke Yamamoto, Yuta Shigenoi, Masaru Tanaka, Shingo Kobayashi
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Patent number: 11661540Abstract: A refrigeration apparatus pertaining to the invention can suppress clogging due to polymers formed by the polymerization of refrigerant and improve safety. The refrigeration apparatus is equipped with a refrigeration cycle in which a compressor, a condenser, an expansion mechanism, and an evaporator are connected in a loop. The refrigeration apparatus is equipped with a polymer catcher. The polymer catcher is attached to piping interconnecting an outlet side of the compressor and an inlet side of the condenser and catches polymers of refrigerant circulating in the refrigeration cycle. The refrigerant includes a compound represented by a molecular formula having one or more carbon-carbon unsaturated bonds.Type: GrantFiled: November 6, 2020Date of Patent: May 30, 2023Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masaru Tanaka, Shigeharu Taira, Tomoyuki Haikawa, Yoshiki Shimizu
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Patent number: 11660596Abstract: The present invention provides a medical analysis device and a cell analysis method, which can capture specific cells such as many types of cancer cells including cancer cells not expressing EpCAM and stem cells. Provided is a medical analysis device including a well portion, the well portion having a hydrophilic silane compound layer formed at least partly on the inner surface thereof.Type: GrantFiled: March 25, 2020Date of Patent: May 30, 2023Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITYInventors: Yasuhisa Minagawa, Masaru Tanaka, Haruka Emura, Kazuki Suto
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Patent number: 11614440Abstract: Provided are specific cell-fractionating and -capturing methods which can fractionate and capture, respectively, specific cells (e.g., many types of cancer cells, including cancer cells not expressing EpCAM, or peripheral blood stem cells). Included is a method for fractionating specific cells present in blood or biological fluid, the method including fractionating the blood or biological fluid by centrifugation to collect the specific cells in the blood or biological fluid, the centrifugation being carried out using a container having a low protein adsorbing layer at least partially formed on the inner surface thereof.Type: GrantFiled: December 27, 2019Date of Patent: March 28, 2023Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITYInventors: Yasuhisa Minagawa, Masaru Tanaka, Haruka Emura, Kazuki Suto
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Patent number: 11573232Abstract: The present invention provides a method for capturing specific cells (e.g. many types of cancer cells, including cancer cells not expressing EpCAM), and a method for analysis of specific cells involving the method. Included is a method for capturing specific cells present in blood or biological fluid, the method including: agglutinating blood cells in sampled blood or biological fluid; centrifuging the resulting blood or biological fluid; and then capturing specific cells therefrom onto a hydrophilic polymer layer.Type: GrantFiled: January 16, 2019Date of Patent: February 7, 2023Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITYInventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Haruka Emura
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Publication number: 20230029441Abstract: No studies have been made regarding what kinds of refrigerants should be used in a refrigeration cycle device for a vehicle. An air conditioner (1) for a vehicle includes a refrigerant circuit (10) and a refrigerant that is sealed in the refrigerant circuit (10). The refrigerant circuit (10) includes a compressor (80), a first heat exchanger (85), which serves as a heat dissipater in a dehumidifying heating mode, an outside-air heat exchanger (82), a cooling control valve (87), and a second heat exchanger (86), which serves as an evaporator in the dehumidifying heating mode. The refrigerant is a refrigerant having a low GWP.Type: ApplicationFiled: July 16, 2019Publication date: January 26, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Eiji KUMAKURA, Kazuhiro FURUSHO, Masaru TANAKA, Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO, Akihito MIZUNO, Tomoyuki GOTOU, Yasufu YAMADA, Tatsumi TSUCHIYA, Kenji GOBOU, Hitomi KUROKI, Daisuke KARUBE, Tatsuya TAKAKUWA, Tetsushi TSUDA
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Publication number: 20230014676Abstract: Provided is grease capable of suppressing a decrease in a function as a lubricant even when used in a device installed in a refrigerant circuit in which a refrigerant containing a chlorine atom and an olefin bond in a molecule flows, and a refrigeration cycle apparatus using the grease as a lubricant. Grease that is used in a device installed in a refrigerant circuit in which a refrigerant containing a chlorine atom and an olefin bond in a molecule flows contains fluorine as a component. In a chiller apparatus, the grease is used as a lubricant for at least one of a first radial touchdown bearing and a second radial touchdown bearing of a compressor, a drive portion of an inlet guide vane of the compressor, and a drive portion of an expansion valve.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventor: Masaru TANAKA
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Publication number: 20220403112Abstract: A polymer compound in which a polymer chain containing a structure contributing to the inclusion of intermediate water is bound as at least a part of the organic component R group of a silsesquioxane.Type: ApplicationFiled: November 11, 2020Publication date: December 22, 2022Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Shinnosuke NISHIMURA, Tomoya UEDA, Masaru TANAKA
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Publication number: 20220396673Abstract: A method for hydrating a water-insoluble polymer capable of containing intermediate water, comprising; a solution generation step of dissolving a water-insoluble polymer capable of containing intermediate water by hydration in a polar organic solvent to obtain a solution, and a precipitation step hydrating and precipitating the water-insoluble polymer by mixing the solution with an aqueous phase.Type: ApplicationFiled: November 13, 2020Publication date: December 15, 2022Applicant: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Kei NISHIDA, Hiroki UEHARA, Masaru TANAKA
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Publication number: 20220356386Abstract: A showcase includes a refrigerant circuit and a refrigerant enclosed in the refrigerant circuit. The refrigerant circuit includes a compressor (121), a radiator (122), an expansion valve (123), and an evaporator (124). The refrigerant is a low-GWP refrigerant.Type: ApplicationFiled: July 16, 2019Publication date: November 10, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shinichi FUJINAKA, Masaru TANAKA, Shun OHKUBO, Mitsushi ITANO, Yuuki YOTSUMOTO, Akihito MIZUNO, Tomoyuki GOTOU, Yasufu YAMADA, Hitomi KUROKI, Tatsumi TSUCHIYA, Kenji GOBOU, Daisuke KARUBE, Tatsuya TAKAKUWA
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Publication number: 20220341640Abstract: A refrigerant replacement method for a refrigeration apparatus is intended to replace a first refrigerant charged into a refrigerant circuit of the refrigeration apparatus with a second refrigerant. The second refrigerant is used together with a refrigerating machine oil having a higher additive content by percentage than another refrigerating machine oil to be used together with the first refrigerant. The method includes: a refrigerant recovery step of recovering the first refrigerant from the refrigerant circuit; an oil charging step of additionally charging a refrigerating machine oil having a predetermined additive content by percentage into the refrigerant circuit; and a refrigerant charging step of charging the second refrigerant into the refrigerant circuit. The predetermined additive content by percentage is higher than the additive content by percentage of the refrigerating machine oil to be used together with the second refrigerant.Type: ApplicationFiled: July 6, 2022Publication date: October 27, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Naoki SHIMOZONO, Tomomi YOKOYAMA, Ryuuji TAKEUCHI, Masaru TANAKA
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Patent number: 11377578Abstract: A heat transfer device that contains a circulation route enclosing a refrigerant containing a hydrohaloolefin, the heat transfer device being capable of reducing the influence of oxygen entrapped in the circulation route; and a heat transfer method using the heat transfer device. Also, a heat transfer device that contains a circulation route enclosing a refrigerant containing at least one member selected from the group consisting of hydrofluoroolefins (HFOs), hydrochlorofluoroolefins (HCFOs), and hydrochloroolefins (HCOs); and the device containing an oxygen adsorption device between an evaporator and a compressor present in the circulation route; and a heat transfer method using the same.Type: GrantFiled: December 8, 2017Date of Patent: July 5, 2022Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Tatsumi Tsuchiya, Kouhei Koba, Masaru Tanaka
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Patent number: 11360078Abstract: The present invention provides a medical analysis device and a cell analysis method with which it is possible to count the number of cancer cells, culture the cancer cells, and determine the effect of drugs on the cancer cells. The present invention relates to a medical analysis device intended to capture cancer cells, the medical analysis device having multiple wells.Type: GrantFiled: March 25, 2020Date of Patent: June 14, 2022Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITYInventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Tomokazu Shibuya
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Patent number: 11352532Abstract: A refrigeration apparatus includes a heat source unit, a utilization unit, and a liquid refrigerant pipe and gas refrigerant pipe. The utilization unit has utilization unit internal pipelines. The liquid refrigerant pipe and the gas refrigerant pipe connect the heat source unit and the utilization unit internal pipelines. A refrigerant circulates through the heat source unit, the utilization unit, the liquid refrigerant pipe, and the gas refrigerant pipe. The refrigerant contains a compound represented by a molecular formula having one or more carbon-carbon unsaturated bonds. A disproportionation inhibitor for reducing a disproportionation reaction of the refrigerant is applied to at least a part of inner surfaces of the liquid refrigerant pipe, the gas refrigerant pipe, and the utilization unit internal pipelines.Type: GrantFiled: August 24, 2020Date of Patent: June 7, 2022Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Masaru Tanaka, Shigeharu Taira, Tomoyuki Haikawa, Yoshiki Shimizu