Patents by Inventor Tadayoshi Tanaka

Tadayoshi Tanaka 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: 10818928
    Abstract: There is provided an electrode for a rechargeable lithium battery including a current collector, and an active material layer on the current collector, the active material layer including a plurality of active material patterns having a band shape and a plurality of carbon layers between the neighboring active material patterns, wherein neighboring ones of the carbon layers have a gap of greater than about 1 mm and less than about 10 mm.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: October 27, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Tadayoshi Tanaka
  • Patent number: 10434754
    Abstract: The present invention provides a heat shrinkable multilayer film that has low density, excellent shrinkage properties, and high rigidity, is less likely to suffer delamination, and also has excellent transparency. The present invention relates to a heat shrinkable multilayer film, containing: front and back layers; and an interlayer, the front and back layers each containing 60 to 80% by weight of a cyclic olefin resin and 20 to 40% by weight of an ethylene resin, the interlayer containing 50 to 80% by weight of an olefin resin and 20 to 50% by weight of a plastic resin, the interlayer containing 35 to 70 mol % of a propylene component, 1 to 10 mol % of an ethylene component, and 1 to 10 mol % of a butene component, based on 100 mol % of resin components constituting the interlayer.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: October 8, 2019
    Assignee: GUNZE LIMITED
    Inventors: Naoki Ohno, Tadayoshi Tanaka
  • Publication number: 20180215128
    Abstract: The present invention provides a heat shrinkable multilayer film that has low density, excellent shrinkage properties, and high rigidity, is less likely to suffer delamination, and also has excellent transparency. The present invention relates to a heat shrinkable multilayer film, containing: front and back layers; and an interlayer, the front and back layers each containing 60 to 80% by weight of a cyclic olefin resin and 20 to 40% by weight of an ethylene resin, the interlayer containing 50 to 80% by weight of an olefin resin and 20 to 50% by weight of a plastic resin, the interlayer containing 35 to 70 mol % of a propylene component, 1 to 10 mol % of an ethylene component, and 1 to 10 mol % of a butene component, based on 100 mol % of resin components constituting the interlayer.
    Type: Application
    Filed: September 27, 2016
    Publication date: August 2, 2018
    Inventors: Naoki OHNO, Tadayoshi TANAKA
  • Patent number: 9845386
    Abstract: The present invention provides the following multilayer heat-shrinkable styrene-based film having an appropriate surface shape, together with excellent lubricity and blocking resistance, and resistance to ink skipping and like problems during the printing process: a multilayer heat-shrinkable styrene-based film having: layers (A) each containing 0.8 to 2.5 parts by weight of high impact polystyrene resin and 0.02 to 0.15 parts by weight of organic fine particles having a mean particle diameter of 0.5 to 5 ?m per 100 parts by weight of a block copolymer of 75 to 90 wt % vinyl aromatic hydrocarbon and 10 to 25 wt % conjugated diene hydrocarbon; and a layer (B1) containing a block copolymer of 70 to 85 wt % vinyl aromatic hydrocarbon and 15 to 30 wt % conjugated diene hydrocarbon; or a layer (B2) containing a resin composition containing a copolymer of 98 to 40 wt % vinyl aromatic hydrocarbon and 2 to 60 wt % aliphatic unsaturated carboxylic acid ester.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: December 19, 2017
    Assignee: GUNZE LIMITED
    Inventors: Masaharu Maruo, Naoki Ohno, Tadayoshi Tanaka, Hiroyuki Furukawa
  • Patent number: 9716268
    Abstract: A positive electrode including a positive electrode mixture layer containing a positive electrode active material represented by Li1.08Ni0.43Co0.26Mn0.24O2 having a layered structure, a negative electrode containing a negative electrode active material, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte are included, in which a film composed of carbon black permeable to lithium ions is formed on a surface of the positive electrode active material, and the film contains lithium fluoride particles serving as metal halide particles.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: July 25, 2017
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Kazunari Okita, Tadayoshi Tanaka, Takatoshi Higuchi, Hiroyuki Fujimoto, Yoshinori Kida
  • Publication number: 20160172680
    Abstract: There is provided an electrode for a rechargeable lithium battery including a current collector, and an active material layer on the current collector, the active material layer including a plurality of active material patterns having a band shape and a plurality of carbon layers between the neighboring active material patterns, wherein neighboring ones of the carbon layers have a gap of greater than about 1 mm and less than about 10 mm.
    Type: Application
    Filed: December 15, 2015
    Publication date: June 16, 2016
    Inventor: Tadayoshi Tanaka
  • Patent number: 9023521
    Abstract: Provided is a nonaqueous electrolyte secondary battery in which a negative-electrode active material containing a graphite material and silicon or a silicon compound is used and which has an excellent charge-discharge cycle characteristic. In the nonaqueous electrolyte secondary battery, the negative-electrode active material used is an active material containing a graphite material and silicon or a silicon compound, and the negative electrode binder used comprises a polyimide and polyvinylpyrrolidone.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: May 5, 2015
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Tadayoshi Tanaka, Mai Yokoi, Hiroshi Minami, Naoki Imachi
  • Publication number: 20150044552
    Abstract: [Object] To provide a nonaqueous electrolyte secondary battery having excellent output characteristics and excellent thermal stability. [Solution] A positive electrode including a positive electrode mixture layer containing a positive electrode active material represented by Li1.08Ni0.43Co0.26Mn0.24O2 having a layered structure, a negative electrode containing a negative electrode active material, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte are included, in which a film composed of carbon black permeable to lithium ions is formed on a surface of the positive electrode active material, and the film contains lithium fluoride particles serving as metal halide particles.
    Type: Application
    Filed: February 28, 2013
    Publication date: February 12, 2015
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Kazunari Okita, Tadayoshi Tanaka, Takatoshi Higuchi, Hiroyuki Fujimoto, Yoshinori Kida
  • Publication number: 20140234701
    Abstract: The object is to provide a nonaqueous electrolyte secondary battery which can improve performance (increase in capacity) and reduce cost by improvement in heat stability. There are provided a positive electrode including a metal halide and a positive electrode active material containing a lithium transition metal oxide which includes nickel and manganese, a negative electrode including a negative electrode active material, and a nonaqueous electrolyte including a nonaqueous solvent, a fluorine-containing lithium salt, and a lithium salt which includes an oxalate complex as an anion.
    Type: Application
    Filed: September 20, 2012
    Publication date: August 21, 2014
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Tadayoshi Tanaka, Takatoshi Higuchi, Kazunari Ohkita, Katsunori Yanagida, Yoshinori Kida
  • Publication number: 20130337324
    Abstract: Provided is a nonaqueous electrolyte secondary battery in which a mixture of a graphite material and silicon or a silicon compound is used as a negative electrode active material and which has excellent cycle characteristics. A nonaqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte, and is wherein the negative electrode contains the negative electrode active material and a negative electrode binder, the negative electrode active material is a mixture of a graphite material and silicon and/or a silicon compound that is contained in an amount less than that of the graphite material, and the negative electrode binder is polyacrylonitrile or a modified form thereof which has been heat-treated.
    Type: Application
    Filed: March 5, 2012
    Publication date: December 19, 2013
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Mai Yokoi, Tadayoshi Tanaka, Hiroshi Minami, Naoki Imachi
  • Patent number: 8603674
    Abstract: A composition for an electrode of a nonaqueous electrolyte secondary battery contains an active material and a binder resin. The composition contains a vinylpyrrolidone-based polymer as the binder resin. The hydroxyl group equivalent of the vinylpyrrolidone-based polymer is within the range of 250 to 2500.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: December 10, 2013
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Tadayoshi Tanaka, Hiroshi Minami, Naoki Imachi, Kazunari Yasumura, Kunihiro Iwai, Daisuke Imai
  • Patent number: 8563170
    Abstract: A negative electrode for alkaline storage battery using a hydrogen-absorbing alloy includes fluorinated oil and a surface active agent.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: October 22, 2013
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Yoshifumi Magari, Tadayoshi Tanaka, Shigekazu Yasuoka, Masaru Kihara, Akira Saguchi, Toshiki Sato
  • Publication number: 20120196184
    Abstract: Provided is a nonaqueous electrolyte secondary battery in which a negative-electrode active material containing a graphite material and silicon or a silicon compound is used and which has an excellent charge-discharge cycle characteristic. In the nonaqueous electrolyte secondary battery, the negative-electrode active material used is an active material containing a graphite material and silicon or a silicon compound, and the negative electrode binder used comprises a polyimide and polyvinylpyrrolidone.
    Type: Application
    Filed: February 1, 2012
    Publication date: August 2, 2012
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Tadayoshi Tanaka, Mai Yokoi, Hiroshi Minami, Naoki Imachi
  • Patent number: 8169601
    Abstract: A primary object of the present invention is to provide a multilayer heat-shrinkable styrene-based film that makes it possible, even when the film is transparent, to confirm that the film is correctly applied on a drink bottle and the like as a label. The present invention provides a heat-shrinkable styrene-based film having at least one layer containing a styrene-based resin containing a copolymer b1 of 98 to 40% by weight vinyl aromatic hydrocarbon and 2 to 60% by weight aliphatic unsaturated carboxylic acid ester, and/or a block copolymer b2 of 70 to 85% by weight vinyl aromatic hydrocarbon and 15 to 30% by weight conjugated diene hydrocarbon, and a fluorescent brightening agent in an amount of 100 to 2,000 weight ppm with respect to the total weight of the styrene-based resin. The present invention also provides a heat-shrinkable film having a three-layer structure containing front and back layers and a core layer, wherein the above-mentioned copolymer b1 and/or copolymer b2 forms the core layer.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: May 1, 2012
    Assignee: Gunze Limited
    Inventors: Masaharu Maruo, Akira Morikawa, Naoki Ohno, Tadayoshi Tanaka
  • Publication number: 20120052394
    Abstract: A positive electrode for a non-aqueous electrolyte secondary battery is provided. The positive electrode has a positive electrode current collector, a positive electrode mixture layer formed on at least one surface of the positive electrode current collector and containing a positive electrode active material, and an inorganic particle layer formed on the positive electrode mixture layer. The inorganic particle layer contains inorganic particles, lithium phosphate, and a water-based binder.
    Type: Application
    Filed: August 25, 2011
    Publication date: March 1, 2012
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Tadayoshi Tanaka, Hiroshi Minami, Naoki Imachi
  • Publication number: 20110159363
    Abstract: A composition for an electrode of a nonaqueous electrolyte secondary battery contains an active material and a binder resin. The composition contains a vinylpyrrolidone-based polymer as the binder resin. The hydroxyl group equivalent of the vinylpyrrolidone-based polymer is within the range of 250 to 2500.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 30, 2011
    Applicants: SANYO ELECTRIC CO., LTD., NIPPON SHOKUBAI CO., LTD.
    Inventors: Tadayoshi Tanaka, Hiroshi Minami, Naoki Imachi, Kazunari Yasumura, Kunihiro Iwai, Daisuke Imai
  • Publication number: 20110076559
    Abstract: A positive electrode for a non-aqueous electrolyte secondary battery, having an active material layer containing a positive electrode active material and an inorganic particle layer provided on a surface of the active material layer. The inorganic particle contains inorganic particles, a polyvinyl pyrrolidone, and an aqueous binder.
    Type: Application
    Filed: September 29, 2010
    Publication date: March 31, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Tadayoshi Tanaka, Hiroshi Minami, Naoki Imachi
  • Publication number: 20110052983
    Abstract: An alkaline storage battery having a positive electrode (1), a negative electrode (2), and an alkaline electrolyte solution, and the negative electrode having fluorinated oil being present on the surface thereof. The negative electrode includes a hydrogen-absorbing alloy represented by the general formula Ln1-xMgxNiy-a-bAlaMb, where Ln is at least one element selected from Zr, Ti, and a rare-earth element including Y; M is at least one element selected from the group consisting of V, Nb, Ta, Cr, Mo, Mn, Fe, Co, Ga, Zn, Sn, In, Cu, Si, P, and B; 0.05?x?0.30; 0.05?a?0.30; 0?b?0.50; and 2.8?y?3.9.
    Type: Application
    Filed: August 31, 2010
    Publication date: March 3, 2011
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Yoshifumi Magari, Tadayoshi Tanaka, Shigekazu Yasuoka
  • Publication number: 20100216018
    Abstract: A hydrogen-absorbing alloy is represented by the general formula Ln1-xMgxNiy-a-bAlaMb (where Ln is at least one element selected from the rare-earth elements, Zr, Ti, and Y, M is at least one element selected from the group consisting of V, Nb, Ta, Cr, Mo, Mn, Fe, Co, Ga, Zn, Sn, In, Cu, Si, P, B, and Zr, 0.05?x?0.35, 0.05?a?0.30, 0?b?0.5, and 2.5?y<3.3). The Ln in the general formula includes Sm as its main component, and the hydrogen-absorbing alloy has an electrochemical capacity of 300 mAh/g or greater. An alkaline storage battery containing a negative electrode containing the hydrogen absorbing alloy.
    Type: Application
    Filed: February 17, 2010
    Publication date: August 26, 2010
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Shigekazu Yasuoka, Yoshifumi Magari, Tadayoshi Tanaka, Masaru Kihara, Takahiro Endo, Akira Saguchi
  • Publication number: 20100203385
    Abstract: A negative electrode for alkaline storage battery using a hydrogen-absorbing alloy includes fluorinated oil and a surface active agent.
    Type: Application
    Filed: February 9, 2010
    Publication date: August 12, 2010
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Yoshifumi Magari, Tadayoshi Tanaka, Shigekazu Yasuoka, Masaru Kihara, Akira Saguchi, Toshiki Sato