Patents by Inventor Yuta Sagae
Yuta Sagae 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: 12280364Abstract: [Problem] To provide a complex compound useful as a catalyst for a hydrophosphorylation reaction and a process for producing the same. [Means to Solve the Problem] A complex compound of the present invention is a complex compound of a resin fine particle represented by the following general formula (1): wherein, R1 represents a substituted or unsubstituted hydrocarbon group, R2 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, R3 and R4 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, and based on the total of 100% of the values of n and m, the value of n is within the range of 20 to 100%, the value of m is within the range of 0 to 80%, and * represents bonding with the surface of the resin fine particle and a transition metal.Type: GrantFiled: November 26, 2020Date of Patent: April 22, 2025Assignee: Maruzen Petrochemical Co., Ltd.Inventor: Yuta Saga
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Patent number: 11936441Abstract: A FrontHaul Multiplexer (FHM) for relaying communications between a signal processing device and a plurality of radio devices includes a storage unit that stores a table in which device identification information of each of the plurality of radio devices is associated with beam identification information assigned to the radio device; a scheduling information reception unit that receives, from the signal processing device, scheduling information of a user terminal performing radio communications with the plurality of radio devices; a determination unit that acquires from the table the device identification information associated with the beam identification information of uplink included in the scheduling information and then determines from the acquired device identification information the radio device in charge of the user terminal; and a transmission unit that transmits to the signal processing device an uplink signal transmitted from the determined radio device.Type: GrantFiled: November 9, 2018Date of Patent: March 19, 2024Assignee: NTT DOCOMO, INC.Inventors: Takashi Kosugi, Tatsuro Yajima, Takuto Arai, Yuta Sagae, Akihito Hanaki, Hidekazu Shimodaira, Masahiro Fujii, Yoshiaki Ofuji
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Publication number: 20240058723Abstract: An object of the present invention is to provide a method of purifying a phosphorus compound, which method is capable of reducing the generation of a by-product during distillation. The method of method of purifying a phosphorus compound according to the present invention includes the steps of: obtaining a mixture containing a specific phosphorus compound, a specific alkenyl phosphorus compound and a transition metal complex; and subjecting the resulting mixture to distillation after adding a Lewis acid to the mixture, to obtain a first distillate containing the specific phosphorus compound.Type: ApplicationFiled: February 8, 2022Publication date: February 22, 2024Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventor: Yuta SAGA
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Publication number: 20240059718Abstract: [Problem to be Solved] An object of the present invention is to provide a method of producing an alkenyl phosphorus compound. [Solution to Problem] The method of producing an alkenyl phosphorus compound according to the present invention is a method of allowing a specific phosphorus compound to react with a specific alkynyl compound in the presence of a transition metal complex, a Lewis acid and a low-polarity additive, to produce a specific alkenyl phosphorus compound.Type: ApplicationFiled: February 8, 2022Publication date: February 22, 2024Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventor: Yuta SAGA
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Publication number: 20220227795Abstract: [Problem] To provide an alkenyl phosphorus compound. [Means to Solve the Problem] The method for manufacturing an alkenyl phosphorus compound according to the present invention is a method in which a specific phosphorus compound and a specific alkynyl compound are reacted in the presence of a transition metal complex and a Lewis acid, thereby giving an alkenyl phosphorus compound.Type: ApplicationFiled: November 26, 2020Publication date: July 21, 2022Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventor: Yuta SAGA
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Publication number: 20220212177Abstract: [Problem] To provide a complex compound useful as a catalyst for a hydrophosphorylation reaction and a process for producing the same. [Means to Solve the Problem] A complex compound of the present invention is a complex compound of a resin fine particle represented by the following general formula (1): wherein, R1 represents a substituted or unsubstituted hydrocarbon group, R2 represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, R3 and R4 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, and based on the total of 100% of the values of n and m, the value of n is within the range of 20 to 100%, the value of m is within the range of 0 to 80%, and * represents bonding with the surface of the resin fine particle and a transition metal.Type: ApplicationFiled: November 26, 2020Publication date: July 7, 2022Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventor: Yuta SAGA
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Publication number: 20220014236Abstract: An FHM for relaying communications between a signal processing device and a plurality of radio devices comprises: a storage unit that stores a table in which device identification information of each of the plurality of radio devices is associated with beam identification information assigned to the radio device; a scheduling information reception unit that receives, from the signal processing device, scheduling information of a user terminal performing radio communications with the plurality of radio devices; a determination unit that acquires from the table the device identification information associated with the beam identification information of uplink included in the scheduling information and then determines from the acquired device identification information the radio device in charge of the user terminal; and a transmission unit that transmits to the signal processing device an uplink signal transmitted from the determined radio device.Type: ApplicationFiled: November 9, 2018Publication date: January 13, 2022Applicant: NTT DOCOMO, INC.Inventors: Takashi Kosugi, Tatsuro Yajima, Takuto Arai, Yuta Sagae, Akihito Hanaki, Hidekazu Shimodaira, Masahiro Fujii, Yoshiaki Ofuji
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Patent number: 11219067Abstract: An objective is to enable communications properly using an Scell even in a case where a radio base station which transmits “Activate command” and a radio base station which manages an Scell are different when “Inter-site CA” is performed. A radio base station eNB #1 according to the invention includes a transmission unit 12 configured to transmit an “Activate command” which is a command to activate a cell #B to a mobile station UE and thereafter notify a radio base station eNB #10 that the cell #B is activated.Type: GrantFiled: October 3, 2013Date of Patent: January 4, 2022Assignee: NTT DOCOMO, INC.Inventors: Tooru Uchino, Hideaki Takahashi, Yuta Sagae, Kazuaki Takeda
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Patent number: 11102668Abstract: Based on an entering condition for reporting reception quality of a cell via Measurement Report, UE (200) transmits to a radio access network the Measurement Report. The UE (200) judges numberOfTriggeringCell that triggers transmission of the measurement report to the radio access network, and transmits the Measurement Report when the number of neighbor cells that fulfill the entering condition is equal to or more than the numberOfTriggeringCell.Type: GrantFiled: January 31, 2018Date of Patent: August 24, 2021Assignee: NTT DOCOMO, INC.Inventors: Hideaki Takahashi, Kohei Kiyoshima, Wuri Andarmawanti Hapsari, Yuta Sagae, Sadayuki Abeta
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Patent number: 10911172Abstract: A user apparatus, in a radio communication system including a plurality of base stations, including a reception unit configured to receive, from a connecting base station, control information to be used for reducing an interference signal sent from an interference base station for the user apparatus; and an interference reducing unit configured to reduce the interference signal by using the control information to obtain a desired signal sent from the connecting base station.Type: GrantFiled: September 30, 2013Date of Patent: February 2, 2021Assignee: NTT DOCOMO, INC.Inventors: Yousuke Sano, Yusuke Ohwatari, Satoshi Nagata, Yuta Sagae, Yukihiko Okumura
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Patent number: 10779263Abstract: Techniques for assigning uplink dedicated resources in inter-site or inter-eNB carrier aggregation promptly are disclosed. One aspect of the present invention relates to a base station including a transmission and reception unit configured to use radio resources to communicate with a user equipment and a resource management unit configured to manage the radio resources, wherein the resource management unit comprises a pooling information storage unit configured to store pooling information indicative of radio resources reserved for the base station by a non-anchor base station in inter-eNB carrier aggregation, and the resource management unit autonomously assigns the radio resources indicated in the pooling information to the user equipment.Type: GrantFiled: January 20, 2014Date of Patent: September 15, 2020Assignee: NTT DOCOMO, INC.Inventors: Tooru Uchino, Hideaki Takahashi, Wuri Andarmawanti Hapsari, Yuta Sagae
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Patent number: 10772000Abstract: There is provided user equipment of a radio communication system including a base station and the user equipment, the user equipment including a receiver that receives, from the base station, measurement band information indicating a frequency range in which received quality is measured in a system bandwidth; and a measurer that measures the received quality in the frequency range indicated by the measurement band information.Type: GrantFiled: March 31, 2017Date of Patent: September 8, 2020Assignee: NTT DOCOMO, INC.Inventors: Hideaki Takahashi, Kazuaki Takeda, Yuta Sagae, Satoshi Nagata
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Patent number: 10555272Abstract: A mobile station UE according to the present invention includes: a managing unit 11 configured to manage one or multiple TAGs each including any of a Pcell and an Scell; an adjusting unit 12 configured to adjust the transmission timings of uplink signals in any of the Pcell and the Scell belonging to the same TAG such that the transmission timings will be the same; and a transmitting unit 13 configured to notify a radio base station eNB of the supportable number of TAGs.Type: GrantFiled: April 16, 2013Date of Patent: February 4, 2020Assignee: NTT DOCOMO, INC.Inventors: Tooru Uchino, Hideaki Takahashi, Yuta Sagae
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Publication number: 20200015107Abstract: Based on an entering condition for reporting reception quality of a cell via Measurement Report, UE (200) transmits to a radio access network the Measurement Report. The UE (200) judges numberOfTriggeringCell that triggers transmission of the measurement report to the radio access network, and transmits the Measurement Report when the number of neighbor cells that fulfill the entering condition is equal to or more than the numberOfTriggeringCell.Type: ApplicationFiled: January 31, 2018Publication date: January 9, 2020Applicant: NTT DOCOMO, INC.Inventors: Hideaki Takahashi, Kohei Kiyoshima, Wuri Andarmawanti Hapsari, Yuta Sagae, Sadayuki Abeta
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Patent number: 10531340Abstract: Some techniques for promptly assigning uplink dedicated resources in inter-site or inter-eNB carrier aggregation are disclosed. One aspect of the present invention relates to a user equipment including a transmission and reception unit configured to use radio resources to communicate with multiple base stations, a resource management unit configured to manage the radio resources and a cell type determination unit configured to determine a type of a cell providing the radio resources, wherein when the resource management unit detects occurrence of a release trigger for assigned uplink dedicated resources, the cell type determination unit determines a type of a cell providing the uplink dedicated resources and retains or releases the uplink dedicated resources depending on the determined cell type.Type: GrantFiled: January 21, 2014Date of Patent: January 7, 2020Assignee: NTT DOCOMO, INC.Inventors: Tooru Uchino, Hideaki Takahashi, Wuri Andarmawanti Hapsari, Yuta Sagae
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Patent number: 10479809Abstract: Provided is a method for producing an alkenyl phosphorus compound which can produce an alkenyl phosphorus compound efficiently even with a smaller amount of a catalyst used than that used conventionally, and further which can maintain catalytic activity to produce an alkenyl phosphorus compound in high yield even at a larger reaction scale, and which can also be applied to quantity synthesis at an industrial scale using a conventional batch reactor or continuous reactor. A method for producing an alkenyl phosphorus compound, comprising: a step of reacting a compound represented by the following formula (1): [In formula (1), R1 represents OR3 or R3, R2 represents OR4 or R4, and R3 and R4 represent, for example, each independently a substituted or unsubstituted alkyl group.] with a compound represented by the following formula (2): [In formula (2), R5 represents, for example, a hydrogen atom, or a substituted or unsubstituted alkyl group.Type: GrantFiled: September 8, 2016Date of Patent: November 19, 2019Assignee: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Yu Kinami, Ryuichi Tenjimbayashi, Yusuke Yokoo, Ichiro Kimura, Tomohiko Sato, Hiroyoshi Fujino, Tomoko Watanabe, Yuta Saga
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Patent number: 10425180Abstract: A user apparatus in a radio communication system including a plurality of base stations, including a reception unit that receives, from a connecting base station, control information to be used for reducing a signal of a control channel, that causes interference, sent from an interference base station for the user apparatus, and an interference reducing unit that reduces the signal of the control channel that causes the interference by using the control information to obtain a desired signal sent from the connecting base station.Type: GrantFiled: November 13, 2013Date of Patent: September 24, 2019Assignee: NTT DOCOMO, INC.Inventors: Yousuke Sano, Yusuke Ohwatari, Satoshi Nagata, Yuta Sagae, Kazuaki Takeda
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Publication number: 20190263847Abstract: Provided is a method for producing an alkenyl phosphorus compound which can produce an alkenyl phosphorus compound efficiently even with a smaller amount of a catalyst used than that used conventionally, and further which can maintain catalytic activity to produce an alkenyl phosphorus compound in high yield even at a larger reaction scale, and which can also be applied to quantity synthesis at an industrial scale using a conventional batch reactor or continuous reactor. A method for producing an alkenyl phosphorus compound, comprising: a step of reacting a compound represented by the following formula (1): [In formula (1), R1 represents OR3 or R3, R2 represents OR4 or R4, and R3 and R4 represent, for example, each independently a substituted or unsubstituted alkyl group.] with a compound represented by the following formula (2): R5—C?CH??(2) [In formula (2), R5 represents, for example, a hydrogen atom, or a substituted or unsubstituted alkyl group.Type: ApplicationFiled: September 8, 2016Publication date: August 29, 2019Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Yu KINAMI, Ryuichi TENJIMBAYASHI, Yusuke YOKOO, Ichiro KIMURA, Tomohiko SATO, Hiroyoshi FUJINO, Tomoko WATANABE, Yuta SAGA
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Publication number: 20190150020Abstract: There is provided user equipment of a radio communication system including a base station and the user equipment, the user equipment including a receiver that receives, from the base station, measurement band information indicating a frequency range in which received quality is measured in a system bandwidth; and a measurer that measures the received quality in the frequency range indicated by the measurement band information.Type: ApplicationFiled: March 31, 2017Publication date: May 16, 2019Applicant: NTT DOCOMO, INC.Inventors: Hideaki Takahashi, Kazuaki Takeda, Yuta Sagae, Satoshi Nagata
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Publication number: 20190098641Abstract: A user equipment including a processor that measures a Signal to Interference and Noise Ratio (SINR) based on a reference signal and a transmitter that reports the measured SINR to a base station in accordance with a predefined reporting trigger. The processor further measures one or both of a Reference Signal Received Quality (RSRQ) and a Reference Signal Received Power (RSRP), and the transmitter reports one or both of the measured RSRQ and RSRP together with the measured SINR to the base station in accordance with the predefined reporting trigger.Type: ApplicationFiled: November 26, 2018Publication date: March 28, 2019Applicant: NTT DOCOMO, INC.Inventors: Hideaki Takahashi, Kengo Yagyu, Yuta Sagae