Patents by Inventor Yuichi Aihara

Yuichi Aihara 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: 10168389
    Abstract: A lithium ion secondary battery including a cathode layer, an anode layer including an anode active material and a coating including a metal element, wherein the coating is disposed on the anode active material; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the coating has an electrochemical reaction potential with lithium that is greater than an electrochemical reaction potential of the anode active material with lithium.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Satoshi Fujiki, Takanobu Yamada, Yuichi Aihara, Naoki Suzuki
  • Publication number: 20180351159
    Abstract: An all-solid secondary battery including: a cathode including a cathode active material layer; an anode including an anode active material layer; and a solid electrolyte layer including a sulfide solid electrolyte between the cathode active material layer and the anode active material layer, wherein an arithmetic mean roughness (Ra) of an interface between the cathode active material layer and the solid electrolyte layer is about 1 micrometer or less, and a relative density of the solid electrolyte layer is about 80% or more.
    Type: Application
    Filed: May 29, 2018
    Publication date: December 6, 2018
    Inventors: Satoshi FUJIKI, Takanobu YAMADA, Tomoyuki SHIRATSUCHI, Yuichi AIHARA
  • Patent number: 10141566
    Abstract: A lithium secondary battery wherein the cathode layer comprises a cathode active material particle having a coating layer that is on at least a portion of a surface of the cathode active material particle, and a solid electrolyte particle which is in contact with the coating layer, wherein an average particle diameter of the cathode active material secondary particle is in a range of about 3 micrometers to about 10 micrometers, wherein the coating layer is amorphous and contains at least one element selected from metal elements not including nickel, and semi-metal elements, and wherein a mole ratio of the at least one element of the coating layer and all of the metal elements, not including lithium, or semi-metal elements in the cathode active material particle is in a range of about 0.1 mole percent to about 10 mole percent.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: November 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Satoshi Fujiki, Yuichi Aihara
  • Patent number: 10128507
    Abstract: A lithium secondary battery including: a positive electrode, a negative electrode, and a sulfide solid electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material particle and a coating film including an oxide including lithium (Li) and zirconium (Zr) on a surface of the positive active material particle.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seitaro Ito, Satoshi Fujiki, Takanobu Yamada, Yuichi Aihara
  • Patent number: 10112411
    Abstract: To provide a transfer apparatus correcting a curl of a card efficiently while preventing the card from deteriorating, a printing apparatus includes a transfer section transferring a transfer surface of a transfer film to the card, a rotating unit reversing the front side and back side of the card in two-sided transfer, a decurl mechanism correcting a curl of the card with the transfer surface transferred in the transfer section, and a control section controlling the decurl mechanism. The control section controls the decurl mechanism such that a correction amount for the card with the transfer surface transferred to one surface in two-sided transfer is smaller than a correction amount for the card in one-sided transfer, and that the total sum of correction amounts for respective surfaces of the card in two-sided transfer is smaller than the correction amount for the card in one-sided transfer.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: October 30, 2018
    Assignee: CANON FINETECH NISCA INC.
    Inventors: Yuichi Aihara, Naoki Shimizu
  • Patent number: 10050265
    Abstract: A positive electrode for an alkali metal-sulfur battery, the positive electrode including: a porous conductive material layer including a plurality of nanocarbon structures of a conductive material, wherein the conductive material defines a plurality of pores between the plurality of nanocarbon structures of the conductive material; sulfur, which is contained in the plurality of pores of the porous conductive material layer; and a polymer film disposed directly on at least a portion of the porous conductive material layer.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: August 14, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., ULVAC, INC.
    Inventors: Ryo Omoda, Takanobu Yamada, Haruhisa Nakano, Hirohiko Murakami, Naoki Tsukahara, Tatsuhiro Nozue, Yoshiaki Fukuda, Yuichi Aihara
  • Publication number: 20180226633
    Abstract: An anode for an all solid-state secondary battery, the anode including an anode collector, and coating lithium distribution layer disposed on the anode collector, wherein the lithium distribution layer includes a metal capable of forming an alloy with lithium.
    Type: Application
    Filed: February 7, 2018
    Publication date: August 9, 2018
    Inventors: Satoshi FUJIKI, Seitaro ITO, Taku WATANABE, Yuichi AIHARA, Takanobu YAMADA
  • Publication number: 20180219219
    Abstract: A lithium ion secondary battery includes: a positive electrode; a negative electrode wherein least one of the positive electrode and the negative electrode includes an electrode active material composite including an electrode active material particle, and a needle-shaped crystal of a first sulfide solid electrolyte in contact with the electrode active material particle, wherein the needle-shaped crystal has an aspect ratio of greater than 2; and a second sulfide solid electrolyte between the positive electrode and the negative electrode and in contact with the electrode active material composite.
    Type: Application
    Filed: December 20, 2017
    Publication date: August 2, 2018
    Inventors: Seitaro ITO, Yuichi AIHARA
  • Publication number: 20180212233
    Abstract: A composite cathode active material including: a core particle; a first coating layer; and a second coating layer; wherein the core particle includes a cathode active material, the first and second coating layers cover a surface of the core particle, the first coating layer includes a first lithium-containing compound, wherein the first lithium-containing compound includes zirconium, niobium, titanium, aluminum, or a combination thereof, the second coating layer includes a second lithium-containing compound, wherein the second lithium-containing compound includes germanium, niobium, gallium, or a combination thereof, and the first lithium-containing compound is different from the second lithium-containing compound.
    Type: Application
    Filed: January 15, 2018
    Publication date: July 26, 2018
    Inventors: Seitaro ITO, Tomoyuki SHIRATSUCHI, Yuichi AIHARA, Tomoyuki TSUJIMURA
  • Patent number: 10029479
    Abstract: The present invention is to provide a transfer apparatus which can effectively correct a curl of a card and prevent deterioration of the card. The transfer apparatus transfers a transfer layer of a transfer film with a transfer roller to both faces of a card, a transfer unit which includes the transfer roller is structured to perform transfer processing for a plurality of times on at least one face of the card. A controller performs control to perform decurl processing with a decurl mechanism when determining that a transfer face on which the current transfer processing is performed and a transfer face on which the subsequent transfer processing is to be performed are the same and that the card is curled after the current transfer processing is performed.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: July 24, 2018
    Assignee: CANON FINETECH NISCA INC.
    Inventor: Yuichi Aihara
  • Patent number: 10029480
    Abstract: The present invention is to provide a transfer apparatus which can effectively correct a curl of a card and prevent deterioration of the card. The transfer apparatus transfers a transfer layer of a transfer film with a transfer roller to both faces of a card, a transfer unit which includes the transfer roller is structured to perform transfer processing for a plurality of times on at least one face of the card. A controller controls transfer sequence of transfer processing so that transfer processing is performed alternately on a first face (front face) and a second face (back face) of a card and so that the number of times of decurl processing with a decurl mechanism is smaller than the number of times of transfer processing.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: July 24, 2018
    Assignee: CANON FINETECH NISCA INC.
    Inventors: Yuichi Aihara, Kota Hihara
  • Publication number: 20180162145
    Abstract: A transfer apparatus includes a transfer device which performs transfer processing to transfer a transfer layer or protection layer to first and second faces of a card-shaped recording medium, a correcting device which performs decurl processing to correct a curl of the recording medium to which the transfer layer is transferred, a transfer sequence determining device which determines a transfer sequence to the first face and the second face of the recording medium, and a control device which controls the transfer device and the correcting device. The transfer sequence determining device determines the transfer sequence so that the transfer processing is performed alternately on the first face and the second face at least once. The control device performs the decurl processing with the correcting device for the difference between the number of times of the transfer processing on the first face and the second face of the recording medium.
    Type: Application
    Filed: February 9, 2018
    Publication date: June 14, 2018
    Applicant: CANON FINETECH NISCA INC.
    Inventors: Yuichi AIHARA, Kota HIHARA
  • Patent number: 9981492
    Abstract: In order to provide an image forming apparatus which can reduce color deviation at the time of forming an image on a medium, the present printing apparatus comprises an image forming unit which forms an image by superimposing images, each formed with corresponding color of ink, on a transfer film while heating a thermal head, a film conveying device which conveys a transfer film, a sensor which detects a stretch of the transfer film occurring due to heating with the thermal head, a controller which controls the image forming unit to change a line cycle of the thermal head in accordance with a stretch of the transfer film detected by the sensor.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: May 29, 2018
    Assignee: CANON FINETECH NISCA INC.
    Inventor: Yuichi Aihara
  • Publication number: 20180111387
    Abstract: Disclosed herein is a medium conveying apparatus in which unjamming can be efficiently performed. The medium conveying apparatus includes conveyance rollers configured to convey a card, a rotary unit configured to hold and rotate the card, sensors SN2 and SN26 configured to detect the distance the card has been conveyed, and a control section. If the distance the card has been conveyed that has been detected by the sensors SN2 and SN26 differs from a preset distance L1 (Yes in Step S320), the control section determines (in S328 and S336) whether the card can be positioned in a direction to be delivered from the rotary unit. If the card can be so positioned, a drive motor is controlled, rotating the rotary unit to position the card to be delivered.
    Type: Application
    Filed: October 23, 2017
    Publication date: April 26, 2018
    Applicant: CANON FINETECH NISCA INC.
    Inventor: Yuichi AIHARA
  • Publication number: 20180111396
    Abstract: Disclosed herein is a medium conveying apparatus in which the time for unjamming can be shortened. The medium conveying apparatus includes rollers configured to convey a card Ca, a rotary unit F provided in a medium conveyance path and configured to hold and rotate the card Ca, a sensor SN26 arranged downstream the rotary unit F on the medium conveyance path and, and a control section. The control section controls a first card-conveyance motor for driving the rollers to convey the card Ca into the rotary unit F, and determines whether the sensor SN26 detects the card Ca. The sensor SN26 is arranged at the same distance as a sensor SN3 or a shorter distance than the sensor SN3, from the rotary unit F.
    Type: Application
    Filed: October 23, 2017
    Publication date: April 26, 2018
    Applicant: CANON FINETECH NISCA INC.
    Inventors: Yuichi AIHARA, Kota HIHARA
  • Patent number: 9937727
    Abstract: In order to provide an image forming apparatus capable of forming a high quality image on a film-shaped medium, the present printer includes an image forming section B1 that forms an image on a transfer film using an ink ribbon, a film conveying mechanism that has a motor Mr4 and conveys the transfer film while applying a tension thereto, an ink ribbon conveying section that has a motor Mr3 and conveys the ink ribbon while applying a tension thereto, and a control section that controls the image forming section B1, motor Mr3, and motor Mr4. When adjusting the drive amount of one of the motors Mr3 and Mr4, the control section also adjusts the drive amount of the other one thereof according to the adjustment amount of the one motor.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: April 10, 2018
    Assignee: CANON FINETECH NISCA INC.
    Inventor: Yuichi Aihara
  • Publication number: 20180090752
    Abstract: A cathode active material including a first composite oxide represented by Formula (1): xV2O5.Li3PO4??(1) wherein, in Formula 1, x satisfies 2<x?10.
    Type: Application
    Filed: March 22, 2017
    Publication date: March 29, 2018
    Inventors: Satoshi FUJIKI, Tomoyuki SHIRATSUCHI, Yuichi AIHARA
  • Patent number: 9853323
    Abstract: A positive electrode for a lithium-ion secondary battery includes a positive electrode particle including a positive active material including a lithium salt, and a coating layer including an amorphous carbonaceous layer on a surface of the positive active material, and a sulfide solid electrolyte contacting the coating layer, wherein the sulfide solid electrolyte includes a solid sulfide.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: December 26, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Heidy Visbal, Yuichi Aihara
  • Patent number: 9843038
    Abstract: A positive electrode for a lithium ion secondary battery, the positive electrode including: a coated particle including a positive active material particle and a reactive layer on the surface of the positive active material particle; and a sulfide-containing solid electrolyte particle which is in contact with the coated particle, wherein the reactive layer includes a reactive element other than lithium and oxygen, wherein the reactive element has a reactivity with the sulfide-containing solid electrolyte particle which is greater than with a reactivity of the reactive element with a transition metal element included in the positive active material particle, and wherein a ratio of a thickness of the reactive layer to a particle diameter of the positive active material particle is in a range of about 0.0010 to about 0.25.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: December 12, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Takanobu Yamada, Yasuaki Matsuda, Masaki Matsui, Yuichi Aihara, Nobuyuki Imanishi
  • Patent number: 9837684
    Abstract: A solid state battery includes: a negative electrode layer including a negative electrode active material; a positive electrode layer including a positive electrode active material; and a solid electrolyte layer installed between the negative electrode layer and the positive electrode layer, wherein the solid electrolyte layer contacts the negative electrode layer and the positive electrode layer, and wherein the solid state battery satisfies Equation 1: {(Vp?V980)/Vp×100}?3%??Equation 1 wherein Vp is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer, and V980 is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer under the total pressure of about 980 megapascals.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: December 5, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Takanobu Yamada, Yuichi Aihara