Patents by Inventor Eiji Nakazawa
Eiji Nakazawa 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: 20240128511Abstract: A nonaqueous electrolyte solution including at least an electrolyte, and a nonaqueous solvent, wherein the nonaqueous electrolyte solution contains a compound represented by the following general formula (A): wherein R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.Type: ApplicationFiled: December 27, 2023Publication date: April 18, 2024Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATIONInventors: Eiji NAKAZAWA, Yoichi OOHASHI, Minoru KOTATO, Takamichi MITSUI, Takayuki AOSHIMA, Takeshi NAKAMURA
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Patent number: 11942601Abstract: A nonaqueous electrolyte solution, which contains a compound represented by the following general formula (A), and (1) at least one compound selected from the group consisting of a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the following general formula (B), or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on the total amount of the nonaqueous electrolyte solution. (In formula (A), R1 to R3 may be mutually the same or different and represent optionally substituted organic groups having 1 to 20 carbon atoms.) (In formula (B), R4, R5 and R6 respectively and independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.Type: GrantFiled: June 14, 2022Date of Patent: March 26, 2024Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATIONInventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
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Publication number: 20240085733Abstract: A display device includes a backlight, a display element, a plate for holding at least a portion of an emission surface, from which an image light is emitted, provided on the display element, and a heat dissipation portion that dissipates heat generated from the display element. The display element is connected to the heat dissipation portion via the plate.Type: ApplicationFiled: November 17, 2023Publication date: March 14, 2024Applicant: Maxell, Ltd.Inventors: Eiji KAWAWA, Toshinori SUGIYAMA, Tomoki YAMAMOTO, Tatsuya NAKAZAWA, Keisuke SAWADA, Akio MISAWA, Nozomu SHIMODA
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Patent number: 11902008Abstract: Provided is a control device including: a flight vehicle position information acquisition unit which acquires service flight vehicle position information indicating positions of a plurality of service flight vehicles, each of which functions as a stratosphere platform and is mounted with a communication device which forms a wireless communication area by emitting a beam and provides a wireless communication service to a user terminal in the wireless communication area; an arrangement determination unit which determines arrangement of a relay flight vehicle which relays communication of one service flight vehicle among the plurality of service flight vehicles on a basis of a predetermined condition and the service flight vehicle position information; and a flight vehicle control unit which controls the relay flight vehicle to move according to the arrangement determined by the arrangement determination unit and establish wireless communication connection with the one service flight vehicle.Type: GrantFiled: July 11, 2023Date of Patent: February 13, 2024Assignee: SoftBank Corp.Inventor: Eiji Nakazawa
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Publication number: 20230387464Abstract: A nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode which are capable of absorbing and releasing metal ions, the nonaqueous electrolytic solution comprising an alkali metal salt, a nonaqueous solvent, a compound represented by General Formula (A), and at least one of a specific compound represented by General Formula (?) and a specific compound represented by General Formula (?).Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Applicant: MU Ionic Solutions CorporationInventors: Eiji Nakazawa, Daisuke Kawakami
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Publication number: 20230362672Abstract: Provided is a system, comprising: an information-providing device; and a flying object functioning as a stratosphere platform and equipped with a control device radiating a beam to form a wireless communication area to provide wireless communication service to a user terminal in the wireless communication area, wherein the information-providing device irradiates the flying object with a radio wave including a response signal to the beam when a frequency of the beam is a predetermined frequency band, and the control device comprises: a radio wave receiving unit receiving the radio wave; a non-target area judging unit judging whether a non-target area of the wireless communication service exists in the wireless communication area based on the response signal; and a flying object controlling unit controlling the flying object not to irradiate the non-target area with the beam in response to the non-target area judging unit judging that the non-target area exists.Type: ApplicationFiled: July 11, 2023Publication date: November 9, 2023Inventor: Eiji NAKAZAWA
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Publication number: 20230360541Abstract: Provided is a data processing apparatus comprising: a data acquisition unit which acquires determination data used for determining a date and time of exchanging, wherein the determination data includes meteorological data between a flight area of a serving flight vehicle and a takeoff area in which a to-be exchanged flight vehicle which is to replace the serving flight vehicle takes off; a data storage unit which stores the determination data; a proposed schedule acquisition unit which acquires a proposed schedule for exchanging between the serving flight vehicle and the to-be exchanged flight vehicle; a determination unit which determines a date and time of exchanging out of the proposed schedule for exchanging based on the determination data; and a data output unit which outputs output data based on the date and time of exchanging determined by the determination unit.Type: ApplicationFiled: July 11, 2023Publication date: November 9, 2023Inventor: Eiji NAKAZAWA
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Publication number: 20230353231Abstract: Provided is a control device including: a flight vehicle position information acquisition unit which acquires service flight vehicle position information indicating positions of a plurality of service flight vehicles, each of which functions as a stratosphere platform and is mounted with a communication device which forms a wireless communication area by emitting a beam and provides a wireless communication service to a user terminal in the wireless communication area; an arrangement determination unit which determines arrangement of a relay flight vehicle which relays communication of one service flight vehicle among the plurality of service flight vehicles on a basis of a predetermined condition and the service flight vehicle position information; and a flight vehicle control unit which controls the relay flight vehicle to move according to the arrangement determined by the arrangement determination unit and establish wireless communication connection with the one service flight vehicle.Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Inventor: Eiji NAKAZAWA
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Publication number: 20230125746Abstract: Provided is a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions. The nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (A) and a compound represented by Formula (?) along with an alkali metal salt and a nonaqueous solvent.Type: ApplicationFiled: December 23, 2022Publication date: April 27, 2023Applicants: Mitsubishi Chemical Corporation, MU Ionic Solutions CorporationInventors: Eiji Nakazawa, Taiki Abe
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Publication number: 20230127105Abstract: Provided are: a nonaqueous electrolytic solution for a nonaqueous electrolytic solution battery including a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, which nonaqueous electrolytic solution is characterized by containing a compound represented by Formula (1) along with an alkali metal salt and a nonaqueous solvent.Type: ApplicationFiled: November 18, 2022Publication date: April 27, 2023Applicants: Mitsubishi Chemical Corporation, MU Ionic Solutions CorporationInventors: Eiji Nakazawa, Kaho Tamai
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Publication number: 20220336858Abstract: A nonaqueous electrolyte solution, which contains a compound represented by the following general formula (A), and (1) at least one compound selected from the group consisting of a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the following general formula (B), or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on the total amount of the nonaqueous electrolyte solution. (In formula (A), R1 to R3 may be mutually the same or different and represent optionally substituted organic groups having 1 to 20 carbon atoms.) (In formula (B), R4, R5 and R6 respectively and independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.Type: ApplicationFiled: June 14, 2022Publication date: October 20, 2022Applicants: Mitusbishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATIONInventors: Eiji NAKAZAWA, Yoichi OOHASHI, Minoru KOTATO, Takamichi MITSUI, Takayuki AOSHIMA, Takeshi NAKAMURA
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Patent number: 11424482Abstract: Disclosed herein is a nonaqueous electrolyte solution containing an electrolyte and a nonaqueous solvent, the nonaqueous electrolyte solution including a compound represented by formula (A) and: (1) at least one compound selected from a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the formula (B) below, or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on a total amount of the nonaqueous electrolyte solution. In formula (A), R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and in formula (B), R4, R5 and R6 independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.Type: GrantFiled: July 2, 2019Date of Patent: August 23, 2022Assignees: MITSUBISHI CHEMICAL CORPORATION, MU IONIC SOLUTIONS CORPORATIONInventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
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Publication number: 20220209300Abstract: Provided are: a non-aqueous electrolyte solution with which a non-aqueous electrolyte secondary battery having both excellent durability and excellent charging characteristics can be provided; and a non-aqueous electrolyte secondary battery including the same. The non-aqueous electrolyte solution contains: a non-aqueous solvent: a compound represented by the following Formula (1); and at least one heteroatom-containing lithium salt selected from the group consisting of (A) a lithium salt having an F—S bond, (B) a lithium salt having an oxalic acid skeleton, and (C) a lithium salt having P?O and P—F bonds, and the content of the heteroatom-containing lithium salt is 0.001% by mass or more and 5% by mass or less: wherein, R1 represents a hydrogen atom or a methyl group, and R2 represents a hydrogen atom, or a hydrocarbon group having 1 to 5 carbon atoms and optionally containing a halogen atom.Type: ApplicationFiled: March 18, 2022Publication date: June 30, 2022Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATIONInventors: Aiko WATANABE, Eiji NAKAZAWA
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Publication number: 20220158244Abstract: Provided is a non-aqueous electrolyte solution which can reduce the amount of gas generation during initial conditioning of a non-aqueous electrolyte battery. This non-aqueous electrolyte solution is for a non-aqueous electrolyte battery which includes a positive electrode and a negative electrode that are capable of occluding and releasing metal ions, and the non-aqueous electrolyte solution is characterized by containing an alkali metal salt, a non-aqueous solvent, at least one Si—O structure-containing compound represented by Formula (A) or (B), and a compound represented by Formula (?).Type: ApplicationFiled: February 2, 2022Publication date: May 19, 2022Applicants: Mitsubishi Chemical Corporation, MU Ionic Solutions CorporationInventor: Eiji Nakazawa
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Patent number: 11296357Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.Type: GrantFiled: September 20, 2019Date of Patent: April 5, 2022Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATIONInventors: Eiji Nakazawa, Youichi Oohashi, Atsushi Watarai
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Publication number: 20210020991Abstract: Provided is a nonaqueous electrolyte battery in which not only the generation of a gas during high-temperature storage but also an increase in the battery resistance are inhibited. Also provided is a nonaqueous electrolyte solution containing: a compound represented by the following Formula (A); a cyclic carbonate having an unsaturated carbon-carbon bond; and at least one compound selected from the group consisting of compounds represented by the following Formula (B) or (C). In this nonaqueous electrolyte solution, the content of the cyclic carbonate having an unsaturated carbon-carbon bond with respect to a total amount of the nonaqueous electrolyte solution is in a specific range, and the content of the at least one compound selected from the group consisting of compounds represented by Formula (B) or (C) is in a specific range.Type: ApplicationFiled: September 29, 2020Publication date: January 21, 2021Applicant: Mitsubishi Chemical CorporationInventor: Eiji NAKAZAWA
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Publication number: 20200220222Abstract: Provided is a nonaqueous electrolyte secondary battery including: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution, wherein the positive electrode includes a metal oxide represented by the following composition formula (14): Lia101Nib101Coc101Md101O2 (14), where a101, b101, c101 and d101 represent numerical values of 0.90?a101?1.10, 0.50?b101?0.98, 0.01?c101<0.50 and 0.01?d101<0.50, satisfying b101+c101+d101=1; and M represents at least one element selected from the group consisting of Mn, Al, Mg, Zr, Fe, Ti, and Er, and the nonaqueous electrolyte solution includes a compound represented by the following Formula (C): where R101 to R103 each independently represent a C1-10 alkyl group optionally having a substituent, or a C6-18 aryl group optionally having a substituent; and X represents hydrogen, a C2-10 alkenyl group, or a C2-10 alkynyl group.Type: ApplicationFiled: March 20, 2020Publication date: July 9, 2020Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Atsushi WATARAI, Eiji NAKAZAWA, Shuhei SAWA
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Patent number: 10615455Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.Type: GrantFiled: February 21, 2017Date of Patent: April 7, 2020Assignee: Mitsubishi Chemical CorporationInventors: Eiji Nakazawa, Youichi Oohashi, Atsushi Watarai
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Publication number: 20200036041Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.Type: ApplicationFiled: September 20, 2019Publication date: January 30, 2020Applicant: Mitsubishi Chemical CorporationInventors: Eiji NAKAZAWA, Youichi Oohashi, Atsushi Watarai
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Publication number: 20190334208Abstract: Disclosed herein is a nonaqueous electrolyte solution containing an electrolyte and a nonaqueous solvent, the nonaqueous electrolyte solution including a compound represented by formula (A) and: (1) at least one compound selected from a nitrile compound, an isocyanate compound, a difluorophosphate, a fluorosulfonate, a lithium bis(fluorosulfonyl)imide and a compound represented by the formula (B) below, or (2) a cyclic carbonate compound having a fluorine atom in an amount of 0.01% by mass to 50.0% by mass based on a total amount of the nonaqueous electrolyte solution. In formula (A), R1 to R3 represent optionally substituted organic groups having 1 to 20 carbon atoms, and in formula (B), R4, R5 and R6 independently represent an alkyl group, alkenyl group or alkynyl group having 1 to 12 carbon atoms that may be substituted with a halogen atom, and n represents an integer of 0 to 6.Type: ApplicationFiled: July 2, 2019Publication date: October 31, 2019Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura