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).

  • Publication number: 20240128511
    Abstract: 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: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji NAKAZAWA, Yoichi OOHASHI, Minoru KOTATO, Takamichi MITSUI, Takayuki AOSHIMA, Takeshi NAKAMURA
  • Patent number: 11942601
    Abstract: 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: Grant
    Filed: June 14, 2022
    Date of Patent: March 26, 2024
    Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
  • Publication number: 20240085733
    Abstract: 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: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: Maxell, Ltd.
    Inventors: Eiji KAWAWA, Toshinori SUGIYAMA, Tomoki YAMAMOTO, Tatsuya NAKAZAWA, Keisuke SAWADA, Akio MISAWA, Nozomu SHIMODA
  • Patent number: 11902008
    Abstract: 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: Grant
    Filed: July 11, 2023
    Date of Patent: February 13, 2024
    Assignee: SoftBank Corp.
    Inventor: Eiji Nakazawa
  • Publication number: 20230387464
    Abstract: 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: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Applicant: MU Ionic Solutions Corporation
    Inventors: Eiji Nakazawa, Daisuke Kawakami
  • Publication number: 20230362672
    Abstract: 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: Application
    Filed: July 11, 2023
    Publication date: November 9, 2023
    Inventor: Eiji NAKAZAWA
  • Publication number: 20230360541
    Abstract: 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: Application
    Filed: July 11, 2023
    Publication date: November 9, 2023
    Inventor: Eiji NAKAZAWA
  • Publication number: 20230353231
    Abstract: 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: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Inventor: Eiji NAKAZAWA
  • Publication number: 20230125746
    Abstract: 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: Application
    Filed: December 23, 2022
    Publication date: April 27, 2023
    Applicants: Mitsubishi Chemical Corporation, MU Ionic Solutions Corporation
    Inventors: Eiji Nakazawa, Taiki Abe
  • Publication number: 20230127105
    Abstract: 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: Application
    Filed: November 18, 2022
    Publication date: April 27, 2023
    Applicants: Mitsubishi Chemical Corporation, MU Ionic Solutions Corporation
    Inventors: Eiji Nakazawa, Kaho Tamai
  • Publication number: 20220336858
    Abstract: 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: Application
    Filed: June 14, 2022
    Publication date: October 20, 2022
    Applicants: Mitusbishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji NAKAZAWA, Yoichi OOHASHI, Minoru KOTATO, Takamichi MITSUI, Takayuki AOSHIMA, Takeshi NAKAMURA
  • Patent number: 11424482
    Abstract: 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: Grant
    Filed: July 2, 2019
    Date of Patent: August 23, 2022
    Assignees: MITSUBISHI CHEMICAL CORPORATION, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura
  • Publication number: 20220209300
    Abstract: 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: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Aiko WATANABE, Eiji NAKAZAWA
  • Publication number: 20220158244
    Abstract: 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: Application
    Filed: February 2, 2022
    Publication date: May 19, 2022
    Applicants: Mitsubishi Chemical Corporation, MU Ionic Solutions Corporation
    Inventor: Eiji Nakazawa
  • Patent number: 11296357
    Abstract: 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: Grant
    Filed: September 20, 2019
    Date of Patent: April 5, 2022
    Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji Nakazawa, Youichi Oohashi, Atsushi Watarai
  • Publication number: 20210020991
    Abstract: 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: Application
    Filed: September 29, 2020
    Publication date: January 21, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Eiji NAKAZAWA
  • Publication number: 20200220222
    Abstract: 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: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Atsushi WATARAI, Eiji NAKAZAWA, Shuhei SAWA
  • Patent number: 10615455
    Abstract: 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: Grant
    Filed: February 21, 2017
    Date of Patent: April 7, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Eiji Nakazawa, Youichi Oohashi, Atsushi Watarai
  • Publication number: 20200036041
    Abstract: 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: Application
    Filed: September 20, 2019
    Publication date: January 30, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Eiji NAKAZAWA, Youichi Oohashi, Atsushi Watarai
  • Publication number: 20190334208
    Abstract: 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: Application
    Filed: July 2, 2019
    Publication date: October 31, 2019
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Eiji Nakazawa, Yoichi Oohashi, Minoru Kotato, Takamichi Mitsui, Takayuki Aoshima, Takeshi Nakamura