Patents by Inventor Tsuyoshi Maeda

Tsuyoshi Maeda 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).

  • Patent number: 11404742
    Abstract: A battery module includes an electrode laminate including a plurality of electrodes that are laminated, and a sealing body sealing a side surface of the electrode laminate. The sealing body is provided with a communication hole communicating an internal space between the electrodes adjacent in a laminating direction in the electrode laminate. The communication hole includes an opening end on an outer surface of the sealing body. A length of the opening end in the laminating direction is longer than a length of the internal space in the laminating direction.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: August 2, 2022
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kojiro Tamaru, Taku Inoue, Hiroki Maeda, Tsuyoshi Mariya
  • Publication number: 20220236012
    Abstract: Provided is a heat exchanger, including a plurality of heat exchange members arranged in a first direction so as to be spaced apart from each other. Each of the plurality of heat exchange members includes: a heat transfer pipe extending in a second direction intersecting with the first direction; and a heat transfer plate provided to the heat transfer pipe along the second direction. The heat transfer plate includes extending portions extending away from the heat transfer pipe in a third direction intersecting with each of the first direction and the second direction. The heat transfer plate is formed separately from the heat transfer pipe.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 28, 2022
    Inventors: Yuta KOMIYA, Shinya HIGASHIIUE, Tsuyoshi MAEDA, Ryota AKAIWA, Shigeyoshi MATSUI, Akira ISHIBASHI, Eiji HIHARA, Chaobin DANG, Jiyang LI
  • Publication number: 20220226769
    Abstract: An aspect of the present invention is a gas treatment method including: an absorption step of bringing a gas to be treated, which contains carbon dioxide and a sulfur compound, into contact with an absorption liquid to be phase-separated by carbon dioxide absorption, to cause the absorption liquid to absorb the carbon dioxide and the sulfur compound; and a first release step of heating the absorption liquid brought into contact with the gas to be treated to a temperature equal to or higher than a temperature at which the carbon dioxide absorbed by the absorption liquid is released from the absorption liquid and lower than a temperature at which the sulfur compound absorbed by the absorption liquid is released from the absorption liquid, to release the carbon dioxide from the absorption liquid.
    Type: Application
    Filed: April 10, 2020
    Publication date: July 21, 2022
    Applicants: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), National University Corporation Tokai National Higher Education and Research System
    Inventors: Norihide MAEDA, Akira KISHIMOTO, Ken NAKANISHI, Hiroshi MACHIDA, Tsuyoshi YAMAGUCHI, Koyo NORINAGA
  • Publication number: 20220228818
    Abstract: In a heat exchanger, an outer diameter of a plurality of heat transfer pipes is defined as Do, a wall thickness is defined as tP, an area represented by a numerical expression of a row pitch L1×a step pitch L2 is defined as A, and an area represented by a numerical expression of ((Do?2×tP)/2)2×? is defined as B, a relation of Do<5.5 mm, a relation of (0.0219×tP2?0.0185×tP+0.0043)×ln(Do)+(1.6950×tP2+1.8455×tP+1.5416)?B/A?(0.2076×tP2?0.1480×tP+0.0545)×Do{circumflex over (?)}(?0.0021×tP2?0.0528×tP+0.0164), and a relation of B/A<0.0076×tP2?0.0417×tP+0.0574 are satisfied.
    Type: Application
    Filed: August 6, 2019
    Publication date: July 21, 2022
    Inventors: Akira YATSUYANAGI, Tsuyoshi MAEDA, Akira ISHIBASHI, Atsushi MORITA, Shin NAKAMURA
  • Patent number: 11391521
    Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus are provided where heat exchange performance is improved, and drainage properties and resistance against frost formation are improved. A flat tube and a plurality of fins that are each a plate having a plate surface extending in a longitudinal direction and in a width direction orthogonal to the longitudinal direction are provided. The plate surface intersects a pipe axis of the flat tube, and the plurality of fins are arranged at an interval from one another. The plurality of fins each have a first spacer formed in the plate and maintaining the interval. The flat tube has a longitudinal axis of a section perpendicular to the pipe axis, and the longitudinal axis is inclined to the width direction by an inclination angle ?. The first spacer has a standing surface extending in a direction intersecting the plate surface.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: July 19, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Yatsuyanagi, Tsuyoshi Maeda, Tomohiko Takahashi, Yoshihide Asai, Hidetomo Nakagawa
  • Patent number: 11384997
    Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus are provided where deterioration in drainage and ventilation properties is prevented, an air passage is not easily clogged when frost forms, and both defrosting properties and heat exchange performance are achieved. A flat tube and a plurality of fins that are each a plate having a plate surface extending in a longitudinal direction and in a width direction orthogonal to the longitudinal direction are provided. The plate surface intersects a pipe axis of the flat tube. The plurality of fins each have an insertion portion in which the flat tube is inserted, a first spacer formed at a rim of the insertion portion and maintaining the interval, and a second spacer formed at a portion of the plate other than the rim of the insertion portion and maintaining the interval.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: July 12, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tsuyoshi Maeda, Akira Yatsuyanagi, Tomohiko Takahashi, Yoshihide Asai, Hidetomo Nakagawa
  • Patent number: 11384996
    Abstract: A heat exchanger includes: a plate-like fin having one end and an other end in a first direction; and a first heat transfer tube and a second heat transfer tube that each extends through the fin and that are adjacent to each other in a second direction. A portion to which the fin and the first heat transfer tube are connected and a clearance portion that separates between the fin and the first heat transfer tube are disposed between the fin and the first heat transfer tube. The clearance portion is disposed at one end side in the first direction relative to an imaginary center line that passes through a center of the first heat transfer tube in a long side direction and that extends along a short side direction.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: July 12, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shin Nakamura, Tsuyoshi Maeda, Akira Ishibashi, Tomoyuki Hayashi
  • Patent number: 11384970
    Abstract: An auxiliary heat exchange unit of a heat exchanger has a first auxiliary heat exchange region and a second auxiliary heat exchange region. A main heat exchange unit has a first main heat exchange region, a second main heat exchange region, a third main heat exchange region, and a fourth main heat exchange region. The auxiliary heat exchange unit and the main heat exchange unit are configured to cause refrigerant to flow successively through the first auxiliary heat exchange region, the second auxiliary heat exchange region, the first main heat exchange region, the second main heat exchange region, the fourth main heat exchange region, and the third main heat exchange region when the heat exchanger functions as an evaporator.
    Type: Grant
    Filed: December 25, 2017
    Date of Patent: July 12, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuta Komiya, Shin Nakamura, Shinya Higashiiue, Akira Ishibashi, Tsuyoshi Maeda, Ryota Akaiwa
  • Patent number: 11353272
    Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus are provided where heat exchange performance is improved, and drainage properties and resistance against frost formation are improved. A flat tube and a plurality of fins that are each a plate having a plate surface extending in a longitudinal direction and in a width direction orthogonal to the longitudinal direction are provided. The plate surface intersects a pipe axis of the flat tube, and the plurality of fins are arranged at an interval from one another. The plurality of fins each have a first spacer formed in the plate and maintaining the interval. The flat tube has a longitudinal axis of a section perpendicular to the pipe axis, and the longitudinal axis is inclined to the width direction by an inclination angle ?. The first spacer has a standing surface extending in a direction intersecting the plate surface.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: June 7, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Akira Yatsuyanagi, Tsuyoshi Maeda, Tomohiko Takahashi, Yoshihide Asai, Hidetomo Nakagawa
  • Publication number: 20220136740
    Abstract: An object is to provide a refrigeration cycle apparatus capable of reducing freezing in a lower part of a heat exchanger in which drainage water tends to accumulate and reducing an amount of refrigerant in a refrigerant circuit. The refrigeration cycle apparatus includes the refrigerant circuit 1 connecting, by refrigerant pipes, a compressor, a first expansion device, and a first heat exchanger configured to serve as evaporator during heating operation. The first heat exchanger is provided with a first heat exchange unit and a second heat exchange unit connected to the first heat exchange unit in series in the refrigerant circuit. The first expansion device is connected in parallel with the second heat exchange unit in the refrigerant circuit, and the second heat exchange unit is placed at a position lower than a position of the first heat exchange unit.
    Type: Application
    Filed: March 28, 2019
    Publication date: May 5, 2022
    Inventors: Shin NAKAMURA, Tsuyoshi MAEDA, Akira YATSUYANAGI, Atsushi MORITA, Ryuichi NAGATA, Shinya HIGASHIIUE, Akira ISHIBASHI, Shigeyoshi MATSUI, Atsushi TAKAHASHI
  • Patent number: 11308921
    Abstract: An information display terminal comprises a display controller configured to determine a range to be used by an image display device to display an image on a mirror surface and a sensor unit configured to detect an ambient condition. The display controller determines the range to be used to display an image on the mirror surface using information detected by the sensor unit. The information display terminal is a mirror display having a mirror function on a display surface as well as a function of displaying an image or information on an entire surface or a portion of the mirror surface so that it can provide information while keeping convenience as a mirror.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: April 19, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuto Higashigawa, Tsuyoshi Maeda
  • Patent number: 11280528
    Abstract: Provided is a heat exchanger, including: a refrigerant distributor including: a gas-liquid separating portion having a function of separating a gas-liquid refrigerant mixture into a liquid refrigerant and a gas refrigerant; and a distributing portion provided to the gas-liquid separating portion. A plurality of heat transfer pipes connected to the distributing portion. The plurality of heat transfer pipes are arranged side by side in a first direction, and extend along a second direction intersecting with the first direction. When the refrigerant distributor is viewed along a direction orthogonal to each of the first direction and the second direction, a first space forming portion overlaps a region of the plurality of heat transfer pipes. When the refrigerant distributor and the heat transfer pipes are viewed along the first direction, a clearance is present between the gas-liquid separating portion and the heat transfer pipes.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: March 22, 2022
    Assignees: Mitsubishi Electric Corporation, The University of Tokyo
    Inventors: Shinya Higashiiue, Tsuyoshi Maeda, Akira Ishibashi, Ryuichi Nagata, Eiji Hihara, Chaobin Dang, Jiyang Li
  • Patent number: 11262132
    Abstract: In a heat exchanger, each of a plurality of heat exchange members includes: a main body portion including a heat transfer pipe; and extending portions provided to the main body. The extending portions extend from ends of the main body portion in a third direction. When a dimension of the main body portion in the third direction is represented by La, a dimension of the extending portions in the third direction is represented by Lf, a dimension of a wall thickness of each of the heat transfer pipes is represented by tp, and a thickness dimension of each of the extending portions is represented by Tf, relationships: Lf/La?1 and Tf?tp are satisfied.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: March 1, 2022
    Assignees: Mitsubishi Electric Corporation, The University of Tokyo
    Inventors: Tsuyoshi Maeda, Shinya Higashiiue, Akira Ishibashi, Ryuichi Nagata, Eiji Hihara, Chaobin Dang, Jiyang Li
  • Publication number: 20210325117
    Abstract: A heat exchanger includes a plurality of fins extending along upper and lower directions, and a flat tube extending crosswise to the plurality of fins. Each of the plurality of fins has a first side edge portion and a second side edge portion, the first side edge portion and the second side edge portion extending along the upper and lower directions. The flat tube has end portions in the longitudinal axis direction of the flat tube, the end portions including a first end portion and a second end portion. The first end portion is positioned closer to the first side edge portion than the second end portion is to the first side edge portion.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 21, 2021
    Inventors: Tsuyoshi MAEDA, Akira YATSUYANAGI, Tomohiko TAKAHASHI, Yoshihide ASAI
  • Publication number: 20210310127
    Abstract: The purpose of the present invention is to provide a palladium plating solution and a plating method for improving a bath stability of a palladium plating, without decreasing a deposition property of the palladium plating. A palladium plating solution for improving a bath stability, without decreasing a deposition property, comprising: an aqueous palladium compound; one or more complexing agent containing a compound having at least an ethylenediamine or a propylenediamine skeleton; a formic acid or a formate; and a sulfur compound, wherein the palladium plating solution is having two or more sulfide groups in a molecule of the sulfur compound.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 7, 2021
    Inventors: Yohei Kaneko, Yuhei Oogami, Katsuhisa Tanabe, Tsuyoshi Maeda
  • Patent number: 11112150
    Abstract: A heat exchanger includes a fin having a first through hole into which a first heat transfer tube is inserted and a second through hole into which a second heat transfer tube is inserted and including a first end portion and a second end portion, in which a virtual straight line passing through end portions on the first end portion side of the first heat transfer tube and the second heat transfer tube is a first virtual straight line, a virtual straight line passing through end portions on the second end portion side of the first heat transfer tube and the second heat transfer tube is a second virtual straight line, a region between the first end portion and the first virtual straight line is a first drainage region, a region between the second end portion and the second virtual straight line is a second drainage region, and a region enclosed by the first heat transfer tube, the second heat transfer tube, the first virtual straight line and the second virtual straight line is a water introducing region, a fir
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: September 7, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tsuyoshi Maeda, Shin Nakamura, Akira Yatsuyanagi
  • Publication number: 20210239409
    Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus are provided where heat exchange performance is improved, and drainage properties and resistance against frost formation are improved. A flat tube and a plurality of fins that are each a plate having a plate surface extending in a longitudinal direction and in a width direction orthogonal to the longitudinal direction are provided. The plate surface intersects a pipe axis of the flat tube, and the plurality of fins are arranged at an interval from one another. The plurality of fins each have a first spacer formed in the plate and maintaining the interval. The flat tube has a longitudinal axis of a section perpendicular to the pipe axis, and the longitudinal axis is inclined to the width direction by an inclination angle ?. The first spacer has a standing surface extending in a direction intersecting the plate surface.
    Type: Application
    Filed: June 13, 2018
    Publication date: August 5, 2021
    Inventors: Akira YATSUYANAGI, Tsuyoshi MAEDA, Tomohiko TAKAHASHI, Yoshihide ASAI, Hidetomo NAKAGAWA
  • Publication number: 20210207900
    Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus improve a heat exchange performance, a discharge performance, and a frosting resistance, and each include: a flat tube; a fin formed in the shape of a plate having a plate surface extending in a longitudinal direction of the fin that is perpendicular to a width direction thereof, coincides with an up/down direction, and crosses the tube axis of the flat tube; and a first water conveyance member provided below the fin.
    Type: Application
    Filed: July 27, 2018
    Publication date: July 8, 2021
    Inventors: Shin NAKAMURA, Tsuyoshi MAEDA, Akira YATSUYANAGI
  • Publication number: 20210180878
    Abstract: A heat exchanger, a heat exchanger unit, and a refrigeration cycle apparatus are provided where deterioration in drainage and ventilation properties is prevented, an air passage is not easily clogged when frost forms, and both defrosting properties and heat exchange performance are achieved. A flat tube and a plurality of fins that are each a plate having a plate surface extending in a longitudinal direction and in a width direction orthogonal to the longitudinal direction are provided. The plate surface intersects a pipe axis of the flat tube. The plurality of fins each have an insertion portion in which the flat tube is inserted, a first spacer formed at a rim of the insertion portion and maintaining the interval, and a second spacer formed at a portion of the plate other than the rim of the insertion portion and maintaining the interval.
    Type: Application
    Filed: June 13, 2018
    Publication date: June 17, 2021
    Inventors: Tsuyoshi MAEDA, Akira YATSUYANAGI, Tomohiko TAKAHASHI, Yoshihide ASAI, Hidetomo NAKAGAWA
  • Patent number: 11035627
    Abstract: A distributor includes a first member having a plurality of first through holes spaced apart from each other in the first direction, a second member having a first groove facing each of the plurality of first through holes, and a third member having at least one second groove facing at least one of the plurality of first through holes. The first groove extends in the first direction. The first space inside a groove is connected to a second space inside at least one second groove through a third space inside each of the plurality of first through holes. The third space is higher in flow path resistance than the first space and the second space.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: June 15, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Ryota Akaiwa, Shinya Higashiiue, Yuta Komiya, Tsuyoshi Maeda