Patents by Inventor Takanori Yamashita

Takanori Yamashita 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: 10720612
    Abstract: A battery packaging material that is excellent in continuous productivity of batteries. A battery packaging material comprising a laminate having at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order, wherein the heat-sealable resin layer contains a lubricant, and when a Vickers-shaped indenter is pressed into a surface of the heat-sealable resin layer opposite to the barrier layer at a loading speed of 5 mN/10 sec, using PICODENTOR (registered trademark) HM500, in an environment at a temperature of 24° C. and a relative humidity of 50%, an indentation depth of the indenter into the heat-sealable resin layer at the point when a load on the indenter reaches 3.0 mN is 5.8 ?m or less.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: July 21, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Makoto Amano, Daisuke Yasuda, Takanori Yamashita, Rikiya Yamashita
  • Publication number: 20200194737
    Abstract: A battery packaging material including a laminate including at least a base material layer, a barrier layer, an adhesive layer, and a heat-sealable resin layer in this order, in which crushing of the adhesive layer is effectively prevented when the heat-sealable resin layer is heat-sealed with itself, and a high sealing strength is achieved in a high-temperature environment. The battery packaging material includes a laminate including at least a base material layer, a barrier layer, an adhesive layer, and a heat-sealable resin layer in this order, wherein the adhesive layer has a logarithmic decrement ?E of 2.0 or less at 120° C. according to rigid-body pendulum measurement.
    Type: Application
    Filed: April 20, 2018
    Publication date: June 18, 2020
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Yosuke HAYAKAWA, Kaoru TSUMORI, Takanori YAMASHITA, Rikiya YAMASHITA
  • Publication number: 20200168857
    Abstract: A battery packaging material having excellent long-term adhesion of a barrier layer having an acid resistance film. The battery packaging material includes a laminate including at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order, wherein the battery packaging material includes an acid resistance film on at least one surface of the barrier layer, and when the acid resistance film is analyzed using time-of-flight secondary ion mass spectrometry, a PPO3/CrPO4 ratio, which is the ratio of peak intensity PPO3 derived from PO3? to peak intensity PCrPO4 derived from CrPO4?, falls within a range of 6 to 120.
    Type: Application
    Filed: July 19, 2018
    Publication date: May 28, 2020
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kaoru TSUMORI, Takanori YAMASHITA, Rikiya YAMASHITA
  • Patent number: 10547033
    Abstract: A packaging material for batteries, which has high puncture strength, while having excellent moldability and electrolyte solution resistance. A packaging material for batteries, which is formed of a laminate that sequentially includes at least a base layer, a stainless steel foil and a thermally fusible resin layer in this order, and wherein an acid-resistant coating film layer is formed on at least the thermally fusible resin layer-side surface of the stainless steel foil.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: January 28, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Toshishige Kokuryo, Rikiya Yamashita, Takanori Yamashita, Daisuke Yasuda
  • Publication number: 20190379850
    Abstract: An imaging device includes a pixel circuit configured to generate an analog signal; an amplification circuit including a feedback capacitor and its reset switching element; a sample and hold circuit for the amplified analog signal; an A/D conversion circuit for the analog signal held in the sample and hold circuit; a memory circuit configured to store the digital signal; a reading circuit configured to read the digital signal stored in the memory circuit; and a control circuit configured to perform a rise and a fall of the control signal such that the rise and the fall do not overlap a conversion period of the analog signal by the A/D conversion circuit and do not overlap a reading period of the digital signal by the reading circuit, when the switching element is off during a sampling period of the analog signal.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Inventors: Masahito Shinohara, Tomoya Kumagai, Takanori Yamashita
  • Publication number: 20190349540
    Abstract: An imaging device includes pixels arranged to form columns and each including a photoelectric conversion unit that generates charges by photoelectric conversion, column circuits provided to the columns, respectively, and each receiving a signal from a part of the pixels, a first common control line connected to each of the column circuits, and a control unit that controls the column circuits. Each of the column circuits includes an amplifier circuit whose gain is switchable and a first transistor that controls a current flowing in the amplifier circuit, and the control unit controls the column circuit so that the first transistor supplies a current of a first current value when the amplifier circuit is at a first gain and the first transistor supplies a current of a second current value different from the first current value when the amplifier circuit is at a second gain different from the first gain.
    Type: Application
    Filed: April 24, 2019
    Publication date: November 14, 2019
    Inventor: Takanori Yamashita
  • Publication number: 20190270237
    Abstract: A technology for improving molding properties while minimizing curling after molding in a battery packaging material comprising a laminate that is provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. This battery packaging material is configured from at least a laminate provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. The birefringence of the polyester film is in the range of 0.016-0.056.
    Type: Application
    Filed: May 31, 2017
    Publication date: September 5, 2019
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Rikiya YAMASHITA, Takanori YAMASHITA
  • Publication number: 20190198826
    Abstract: A battery packaging material which is slim, has excellent moldability, effectively prevents curl after molding, and moreover, is capable of imparting sufficient surface insulation to a battery. This battery packaging material is configured from a laminate which is at least provided with a polyester film layer, an aluminum alloy foil layer, and a thermally-fusible resin layer in this order. The thickness of the polyester film layer is 23-27 ?m, the thickness of the aluminum alloy foil layer is 33-37 ?m, the thickness of the thermally-fusible resin layer is 55-65 ?m, the thickness of the laminate is 130 ?m or less, and the insulation breakdown voltage of the polyester film layer-side surface is 13 kV or greater.
    Type: Application
    Filed: August 4, 2017
    Publication date: June 27, 2019
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Takanori YAMASHITA, Rikiya YAMASHITA
  • Publication number: 20190143581
    Abstract: A battery packaging material including a laminate that is provided with a barrier layer, a heat-fusible resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on other surface side of barrier layer. This battery packaging material is configured from at least a laminate provided with a barrier layer, heat-fusible resin layer positioned on one surface side of barrier layer, and a polyester film positioned on other surface side of barrier layer. When infrared absorption spectrum on the polyester film's surface in 18 directions at intervals of 10° from 0°-180° is obtained using total reflection method of Fourier transform infrared spectroscopy, the ratio of the maximum value and the minimum value of the ratio (Y1340/Y1410) of the absorption peak intensity Y1340 in 1340 cm?1 and the absorption peak intensity Y1410 in 1410 cm?1 in the infrared absorption spectrum is in the range of 1.4-2.7.
    Type: Application
    Filed: May 31, 2017
    Publication date: May 16, 2019
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Rikiya YAMASHITA, Takanori YAMASHITA
  • Publication number: 20180331330
    Abstract: A battery packaging material that is excellent in continuous productivity of batteries. A battery packaging material comprising a laminate having at least a base material layer, a barrier layer, and a heat-sealable resin layer in this order, wherein the heat-sealable resin layer contains a lubricant, and when a Vickers-shaped indenter is pressed into a surface of the heat-sealable resin layer opposite to the barrier layer at a loading speed of 5 mN/10 sec, using PICODENTOR (registered trademark) HM500, in an environment at a temperature of 24° C. and a relative humidity of 50%, an indentation depth of the indenter into the heat-sealable resin layer at the point when a load on the indenter reaches 3.0 mN is 5.8 ?m or less.
    Type: Application
    Filed: November 29, 2016
    Publication date: November 15, 2018
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Makoto AMANO, Daisuke YASUDA, Takanori YAMASHITA, Rikiya YAMASHITA
  • Publication number: 20180309950
    Abstract: A photoelectric conversion apparatus having a first substrate and a second substrate overlaid on each other and including electrically conductive portions is provided. The first substrate includes a photoelectric conversion element, a first portion configured to form part of a first surface, a second portion which is included in an electrically conductive pattern closest to the first portion, and a third portion which is included in an electrically conductive pattern second closest to the first portion. The second substrate includes a fourth portion configured to form part of a second surface, and a circuit. In a planar view with respect to the first surface, an area of the first portion is smaller than an area of the second portion and larger than an area of a portion of the third portion overlaying the second portion.
    Type: Application
    Filed: June 25, 2018
    Publication date: October 25, 2018
    Inventors: Takanori Yamashita, Kazuhiro Saito, Tatsuya Ryoki, Yoshikazu Yamazaki
  • Patent number: 10057529
    Abstract: A device has stacked first and second substrates. The first substrate includes pixel array having pixels arranged along surface, the second substrate includes readout circuit having first AD-conversion circuit for generating first digital signals corresponding to first signals from the pixels, first parallel-serial conversion circuit for outputting first serial signal by performing parallel-serial conversion on the first digital signals, and processing circuit for processing the first serial signal. In orthogonal projection to the surface, part of the pixel array and part of the processing circuit overlap with each other. The first AD-conversion circuit is arranged between edge of the second substrate and the processing circuit. The first parallel-serial conversion circuit is arranged between the first AD-conversion circuit and the processing circuit.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: August 21, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Saito, Takanori Yamashita, Tatsuya Ryoki, Yoshikazu Yamazaki
  • Patent number: 10051223
    Abstract: A photoelectric conversion apparatus having a first substrate and a second substrate overlaid on each other and including electrically conductive portions is provided. The first substrate includes a photoelectric conversion element, a first portion configured to form part of a first surface, a second portion which is included in an electrically conductive pattern closest to the first portion, and a third portion which is included in an electrically conductive pattern second closest to the first portion. The second substrate includes a fourth portion configured to form part of a second surface, and a circuit. In a planar view with respect to the first surface, an area of the first portion is smaller than an area of the second portion and larger than an area of a portion of the third portion overlaying the second portion.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: August 14, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takanori Yamashita, Kazuhiro Saito, Tatsuya Ryoki, Yoshikazu Yamazaki
  • Patent number: 9977090
    Abstract: Disclosed is a method for manufacturing an electrochemical cell, wherein an insulation failure product can be accurately rejected, and an electrochemical cell can be used again after the insulation failure inspection. In the method for manufacturing the electrochemical cell (1), which is configured by hermetically housing an electrochemical cell main body (20) such that the leading end of a metal terminal (21) protrudes to the outside of the outer housing (10), an impulse voltage is applied between the metal terminal (21) and a metal foil layer (12), the waveform of the voltage applied to the capacitance between the metal terminal (21) and the metal foil layer (12) is measured, and the insulation failure inspection step is performed.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: May 22, 2018
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Takanori Yamashita, Hirohisa Akita, Noboru Akiyama, Masataka Okushita
  • Publication number: 20180123090
    Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.
    Type: Application
    Filed: December 27, 2017
    Publication date: May 3, 2018
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Takanori YAMASHITA, Masataka OKUSHITA, Kazuki YAMADA, Rikiya YAMASHITA, Hiroshi MIYAMA, Youichi MOCHIZUKI
  • Publication number: 20180090724
    Abstract: Provided is a cell packaging material having a high insulating performance and durability. A cell packaging material comprising a layered body provided with at least a substrate layer, a metal layer, an adhesive layer, and a heat-fusible resin layer in the stated order. The adhesive layer has a resin composition that contains an acid-modified polyolefin and an epoxy resin. In probe displacement amount measurements involving the use of a thermal mechanical analyzer, when a probe is placed on the surface of the adhesive layer at an end part of the cell packaging material and the probe is heated from 40° C. to 220° C., the position of the probe does not drop in relation to the initial value.
    Type: Application
    Filed: March 30, 2016
    Publication date: March 29, 2018
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kaoru MIYAZAKI, Hirotoshi SAKAMOTO, Yousuke HAYAKAWA, Rikiya YAMASHITA, Takanori YAMASHITA, Tsuyoshi SUZUKI, Yoichi MOCHIZUKI, Kazuhiko YOKOTA, Tetsuya OJIRI
  • Publication number: 20180076423
    Abstract: A packaging material for batteries, which has high puncture strength, while having excellent moldability and electrolyte solution resistance. A packaging material for batteries, which is formed of a laminate that sequentially includes at least a base layer, a stainless steel foil and a thermally fusible resin layer in this order, and wherein an acid-resistant coating film layer is formed on at least the thermally fusible resin layer-side surface of the stainless steel foil.
    Type: Application
    Filed: March 25, 2016
    Publication date: March 15, 2018
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Toshishige KOKURYO, Rikiya YAMASHITA, Takanori YAMASHITA, Daisuke YASUDA
  • Patent number: 9865846
    Abstract: A polymer battery module packaging sheet includes, as essential components, a base layer (61), an aluminum layer (62), chemical conversion coatings (64a, 64b) coating the opposite surfaces of the aluminum layer (62), and an innermost layer (63). The chemical conversion coatings (64a, 64b) are formed by processing the opposite surfaces of the aluminum layer (62) by a phosphate treatment method. The base layer (61) and the innermost layer (63) are bonded to the chemical conversion coatings (64a, 64b) of the aluminum layer (62) with adhesive layers (65a, 65b), respectively.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: January 9, 2018
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Takanori Yamashita, Masataka Okushita, Kazuki Yamada, Rikiya Yamashita, Hiroshi Miyama, Youichi Mochizuki
  • Publication number: 20180007305
    Abstract: A photoelectric conversion apparatus having a first substrate and a second substrate overlaid on each other and including electrically conductive portions is provided. The first substrate includes a photoelectric conversion element, a first portion configured to form part of a first surface, a second portion which is included in an electrically conductive pattern closest to the first portion, and a third portion which is included in an electrically conductive pattern second closest to the first portion. The second substrate includes a fourth portion configured to form part of a second surface, and a circuit. In a planar view with respect to the first surface, an area of the first portion is smaller than an area of the second portion and larger than an area of a portion of the third portion overlaying the second portion.
    Type: Application
    Filed: June 13, 2017
    Publication date: January 4, 2018
    Inventors: Takanori Yamashita, Kazuhiro Saito, Tatsuya Ryoki, Yoshikazu Yamazaki
  • Publication number: 20180007297
    Abstract: A device has stacked first and second substrates. The first substrate includes pixel array having pixels arranged along surface, the second substrate includes readout circuit having first AD-conversion circuit for generating first digital signals corresponding to first signals from the pixels, first parallel-serial conversion circuit for outputting first serial signal by performing parallel-serial conversion on the first digital signals, and processing circuit for processing the first serial signal. In orthogonal projection to the surface, part of the pixel array and part of the processing circuit overlap with each other. The first AD-conversion circuit is arranged between edge of the second substrate and the processing circuit. The first parallel-serial conversion circuit is arranged between the first AD-conversion circuit and the processing circuit.
    Type: Application
    Filed: June 22, 2017
    Publication date: January 4, 2018
    Inventors: Kazuhiro Saito, Takanori Yamashita, Tatsuya Ryoki, Yoshikazu Yamazaki