Patents by Inventor Kazuyuki Sakamoto

Kazuyuki Sakamoto 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: 11313803
    Abstract: An OH radical detection probe (102) includes an aromatic carboxylic acid, a polar aprotic organic solvent, and a polar protic organic solvent.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: April 26, 2022
    Assignee: IHI CORPORATION
    Inventors: Takao Kurata, Katsumi Takahashi, Kazuyuki Sakamoto
  • Publication number: 20210363339
    Abstract: An anti-sticking agent composition for an unvulcanized rubber of the present disclosure includes the following components (A) to (C), and water is provided. The component (A) contains the following component (A1) and the following component (A2). The component (A) is water-soluble polymer, the component (B) is metallic soap, the component (C) is surfactant, the component is (A1) water-soluble polymer other than the component (A2), and the component (A2) is non-ionic cellulose ether.
    Type: Application
    Filed: April 25, 2021
    Publication date: November 25, 2021
    Applicant: LION SPECIALTY CHEMICALS CO., LTD.
    Inventors: Shiro SEHATA, kazuyuki SAKAMOTO, Takao OKA
  • Publication number: 20210312476
    Abstract: Provided is an information processing device (10) including a path computation unit (134) that computes, starting from a payment position where a user (U) entering a store (40) pays, a movement path of the user in the store retrospectively according to time-series sensing data about the user obtained before the payment.
    Type: Application
    Filed: August 2, 2019
    Publication date: October 7, 2021
    Inventors: MASATO KITA, KAZUYUKI SAKAMOTO, HIROYUKI KAMATA
  • Publication number: 20210268821
    Abstract: Disclosed is a heat-sensitive recording material comprising an undercoat layer and a heat-sensitive recording layer formed in this order on a support, the undercoat layer containing hollow plastic particles and a binder, the heat-sensitive recording layer containing a leuco dye and a developer, and the heat-sensitive recording material having an elastic modulus of 200 N/mm2 or less as measured by a nanoindentation method.
    Type: Application
    Filed: June 27, 2019
    Publication date: September 2, 2021
    Applicant: Oji Holdings Corporation
    Inventors: Kazuyuki SAKAMOTO, Kentaro MOROFUJI, Takashi TAKEMURA
  • Patent number: 10964485
    Abstract: Provided is a separator for aluminum electrolytic capacitors, in which the separator has both good short circuit resistance and good impedance characteristics. A separator for aluminum electrolytic capacitors is formed, in which the separator is interposed between a positive electrode and a negative electrode of an aluminum electrolytic capacitor, and the separator includes at least one layer that is formed from plant fibers and has a dielectric breakdown strength of greater than or equal to 20 kV/mm.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: March 30, 2021
    Assignee: NIPPON KODOSHI CORPORATION
    Inventors: Kosuke Tanaka, Kazuyuki Sakamoto, Atsushi Igawa, Ai Morikawa
  • Patent number: 10955765
    Abstract: A magnetic carrier comprising a magnetic carrier particle having a magnetic carrier particle having a magnetic carrier core particle and a resin coat layer formed on the magnetic carrier core particle surface, and inorganic fine particles A present on a surface of the magnetic carrier particle, wherein each of the inorganic fine particles A has a rectangular parallelepiped particle shape, the inorganic fine particles A have D1 of 10 to 60 nm, the inorganic fine particles A are inorganic particles which have been surface treated with a surface treatment agent or silane coupling agent-treated particles, SP1 of the resin coat layer and SP2 of the surface treatment agent satisfies SP1?SP2?14.00, and the coverage ratio of the magnetic carrier surface by the inorganic fine particles A as measured by ESCA is 5.0 to 20.0 atom %: and a two-component developer comprising at least the magnetic carrier and a toner.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: March 23, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuto Onozaki, Ichiro Kanno, Ryo Nakajima, Kazuyuki Sakamoto, Nozomu Komatsu, Takakuni Kobori, Hiroyuki Fujikawa
  • Patent number: 10935902
    Abstract: A toner including a toner particle that includes a binder resin and a crystalline polyester; and inorganic fine particles on the toner particle surface, wherein a content of the crystalline polyester is 0.5 to 20.0 mass parts per 100 mass parts of the binder resin; in the toner cross section, domains of the crystalline polyester are present in a dispersed state, the percentage for areas of these crystalline polyester domains in the region to a depth of 0.50 ?m from a contour of the toner particle is at least 10%, the number average of lengths of a major axis is 120 nm to 1000 nm, and the number average of aspect ratios is not more than 4; a dielectric constant of the inorganic fine particles is 25 to 300 pF/m; and a coverage ratio by the inorganic fine particles on the toner particle surface is 5% to 60%.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: March 2, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ichiro Kanno, Nozomu Komatsu, Yuto Onozaki, Takakuni Kobori, Kazuyuki Sakamoto, Ryo Nakajima, Hiroyuki Fujikawa
  • Publication number: 20200255604
    Abstract: An anti-tack liquid Q1 is produced by an anti-tack liquid production device, using an anti-tack agent G for unvulcanized rubber in the form of a solid having a moisture content that is more than 3% by mass but is 35% by mass or less, wherein the aforementioned device includes: a hopper 11 for storing the anti-tack agent G for unvulcanized rubber; a stirring tank 13 for mixing water and the anti-tack agent G for unvulcanized rubber; and a quantitative feeder 12 for quantitatively supplying a constant amount of the anti-tack agent for unvulcanized rubber from the hopper 11 to the stirring tank 13.
    Type: Application
    Filed: September 10, 2018
    Publication date: August 13, 2020
    Applicant: Lion Specialty Chemicals Co., Ltd.
    Inventors: Kazuyuki SAKAMOTO, Takuya SOGA, Katsuyoshi EBATA, Takao OKA, Kasumi MUKAIDA, Shiro SEHATA
  • Publication number: 20200183295
    Abstract: A toner including a toner particle that includes a binder resin and a crystalline polyester; and inorganic fine particles on the toner particle surface, wherein a content of the crystalline polyester is 0.5 to 20.0 mass parts per 100 mass parts of the binder resin; in the toner cross section, domains of the crystalline polyester are present in a dispersed state, the percentage for areas of these crystalline polyester domains in the region to a depth of 0.50 ?m from a contour of the toner particle is at least 10%, the number average of lengths of a major axis is 120 nm to 1000 nm, and the number average of aspect ratios is not more than 4; a dielectric constant of the inorganic fine particles is 25 to 300 pF/m; and a coverage ratio by the inorganic fine particles on the toner particle surface is 5% to 60%.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 11, 2020
    Inventors: Ichiro Kanno, Nozomu Komatsu, Yuto Onozaki, Takakuni Kobori, Kazuyuki Sakamoto, Ryo Nakajima, Hiroyuki Fujikawa
  • Publication number: 20200166862
    Abstract: A magnetic carrier comprising a magnetic carrier particle having a magnetic carrier particle having a magnetic carrier core particle and a resin coat layer formed on the magnetic carrier core particle surface, and inorganic fine particles A present on a surface of the magnetic carrier particle, wherein each of the inorganic fine particles A has a rectangular parallelepiped particle shape, the inorganic fine particles A have D1 of 10 to 60 nm, the inorganic fine particles A are inorganic particles which have been surface treated with a surface treatment agent or silane coupling agent-treated particles, SP1 of the resin coat layer and SP2 of the surface treatment agent satisfies SP1?SP2?14.00, and the coverage ratio of the magnetic carrier surface by the inorganic fine particles A as measured by ESCA is 5.0 to 20.0 atom %: and a two-component developer comprising at least the magnetic carrier and a toner.
    Type: Application
    Filed: November 18, 2019
    Publication date: May 28, 2020
    Inventors: Yuto Onozaki, Ichiro Kanno, Ryo Nakajima, Kazuyuki Sakamoto, Nozomu Komatsu, Takakuni Kobori, Hiroyuki Fujikawa
  • Publication number: 20200027664
    Abstract: Provided is a separator for aluminum electrolytic capacitors, in which the separator has both good short circuit resistance and good impedance characteristics. A separator for aluminum electrolytic capacitors is formed, in which the separator is interposed between a positive electrode and a negative electrode of an aluminum electrolytic capacitor, and the separator includes at least one layer that is formed from plant fibers and has a dielectric breakdown strength of greater than or equal to 20 kV/mm.
    Type: Application
    Filed: January 16, 2018
    Publication date: January 23, 2020
    Applicant: NIPPON KODOSHI CORPORATION
    Inventors: Kosuke TANAKA, Kazuyuki SAKAMOTO, Atsushi IGAWA, Ai MORIKAWA
  • Publication number: 20190376903
    Abstract: An OH radical detection probe (102) includes an aromatic carboxylic acid, a polar aprotic organic solvent, and a polar protic organic solvent.
    Type: Application
    Filed: August 20, 2019
    Publication date: December 12, 2019
    Applicant: IHI CORPORATION
    Inventors: Takao KURATA, Katsumi TAKAHASHI, Kazuyuki SAKAMOTO
  • Publication number: 20190088416
    Abstract: Provided is an electrochemical device separator that can reduce the amount of gas produced within a casing and can suppress an increase in pressure after said electrochemical device has been manufactured. The electrochemical device separator, which is interposed between a pair of electrodes and is capable of retaining an electrolytic solution containing an electrolyte, is configured such that the total chlorine content according to quartz tube combustion gas absorption ion chromatography is 10 ppm or less, the total sulfur content according to the abovementioned ion chromatography is 100 ppm or less, and the R18 value according to TAPPI T 235 cm-09 is 90% or higher.
    Type: Application
    Filed: August 5, 2016
    Publication date: March 21, 2019
    Applicant: NIPPON KODOSHI CORPORATION
    Inventors: Takuya MURAOKA, Naoki FUJIMOTO, Kosuke TANAKA, Kazuyuki SAKAMOTO
  • Patent number: 10201561
    Abstract: An object of the present invention is to provide an antiviral fiber assembly in which an antiviral agent is retained with chemical stability over a long period of time, and which is gentle to the human body. A further object of the present invention is to provide a fiber assembly with cellulose sulfate that can exhibit sufficient antiviral activity over a long period of time. Further, another object of the present invention is to provide a textile product obtained using such a fiber assembly. The present invention provides a fiber assembly with cellulose sulfate, wherein the hyaluronidase inhibitory activity is 50% or higher; and a process for producing a fiber assembly with cellulose sulfate, including treating a fiber assembly with an aqueous cellulose sulfate solution and drying, then treating the same with a pH buffer solution and drying.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: February 12, 2019
    Assignees: ES FiberVisions CO., LTD., ES FiberVisions Hong Kong Limited, ES FiberVisions LP, ES FiberVisions ApS
    Inventors: Yoshiko Watanabe, Kazuyuki Sakamoto
  • Patent number: 10199680
    Abstract: An electric device having a power generating element contains a positive electrode with a positive electrode active material formed on a surface of a positive electrode current collector, a negative electrode, and a separator containing an electrolyte. The positive electrode active material contains a lithium nickel-based composite oxide having a layered crystal structure capable of insertion and desorption of lithium ions, the composition represented by: [Li?Ni?]3a[NixMny-rMrCOz]3bO2, wherein M is at least one selected from the group consisting of Ti, Zr, Nb, W, P, Al, Mg, V, Ca, Sr, Cr, Fe, B, Ga, In, Si, Mo, Y, Sn, V, Cu, Ag, and Zn, and x+y+z?1, ??0.032, 0.9??+??1.2, 0<x<1, 0<y<1, 0<z<1, and 0?r?0.3, and the electrolyte has a cyclic sulfonic acid ester.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: February 5, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kazuyuki Sakamoto, Manabu Nishijima, Yosuke Suzuki
  • Publication number: 20180311930
    Abstract: Provided is an organic-inorganic composite membrane for a multilayer heat-resistant separator material, having smoothness, maintenance of microporous characteristics of a substrate film, and adhesion between a substrate and a heat-resistant layer in a well-balanced manner. The organic-inorganic composite membrane is provided with the heat-resistant layer containing inorganic heat-resistant particles and an organic solvent-soluble binder on at least one surface of the substrate film formed of a microporous membrane made of polyolefin, in which the inorganic heat-resistant particles contain small particles F(a) having an average particle size less than 0.2 micrometer and large particles F(b) having an average particle size of 0.2 micrometer or more.
    Type: Application
    Filed: October 26, 2016
    Publication date: November 1, 2018
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: KAZUYUKI SAKAMOTO, HIROKAZU FUKUDA, NOBUO ENOKI, SHINGO ITOU
  • Patent number: 10109884
    Abstract: A non-aqueous electrolyte secondary battery is capable of suppressing a local reaction of a negative electrode active material due to the electrolyte during charging and discharging and improving a capacity retention ratio of a using a carbon material such as artificial graphite particles for the negative electrode active material. The non-aqueous electrolyte secondary battery includes a negative electrode containing a carbon-based negative electrode active material, an electrolyte layer, and a positive electrode containing a positive electrode active material, and having a tap density of the negative electrode active material of 0.96 g/cc or more.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: October 23, 2018
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Tomohisa Matsuno, Hirofumi Yasuda, Naoko Nishimura, Kazuyuki Sakamoto, Yosuke Suzuki, Shinnichi Tasaki
  • Patent number: 10096870
    Abstract: A non-aqueous electrolyte secondary battery includes a power generating element having a positive electrode having a positive electrode active material layer containing lithium-nickel-manganese-cobalt composite oxide on a surface of a current collector, an electrolyte layer, and a negative electrode. At least one of the following conditions (1) to (4) is satisfied. (1) A value obtained by dividing a direct current resistance of the battery by a heat resistance in a plane direction of the battery is 0.055 or more; (2) a value obtained by dividing a direct current resistance of the battery by a heat capacity of the battery is 3.080×10?6 or more; (3) a value obtained by dividing a battery capacity by a heat resistance in a plane direction of the battery is 880 or more; and (4) a value obtained by dividing a battery capacity by a heat capacity of the battery is 0.05000 or more.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: October 9, 2018
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yosuke Suzuki, Kazuyuki Sakamoto
  • Patent number: 10070445
    Abstract: An access point includes: detection means detecting radar signal; detection notification means notifying other access point of radar signal detection; assessment means assessing whether to own authority to determine channel used among access points; determination means determining channel used among access points when detection means detects radar signal or when other access point notifies of radar signal detection, when owning authority; channel notification means notifying other access point of the channel determined by determination means; and change means changing the channel used between other access point to either the channel determined by determination means or to a channel notified from other access point. When a plurality of access points detect radar signal, entire system is operable through new channel.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: September 4, 2018
    Assignee: NEC CORPORATION
    Inventors: Kazuyuki Sakamoto, Masao Saito
  • Publication number: 20180205056
    Abstract: The objective of the present disclosure is to show a multilayered heat-resistant separator element having minimized warpage and curling. The present disclosure is a multilayered heat-resistant separator element obtained by laminating an inorganic heat-resistant layer on at least one surface of a substrate film comprising a polyolefin microporous membrane having an elongation of 2% or less when tensioned at 10 N/mm2 at 100° C., the curl height of the multilayered heat-resistant separator element not exceeding 10 mm. During manufacturing of the multilayered heat-resistant separator element, the inorganic heat-resistant layer is dried and solidified at a temperature of 80 to 120° C. and a tensile force of 4-10 N/mm2.
    Type: Application
    Filed: January 22, 2016
    Publication date: July 19, 2018
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Kazuyuki SAKAMOTO, Hirokazu FUKUDA, Nobuo ENOKI, Shingo ITOU