Patents by Inventor Yoshikazu Tsuzuki

Yoshikazu Tsuzuki 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: 11958756
    Abstract: An object of the present disclosure is to provide a thin-film-like composite of nanocrystal, as a nanocrystalline material having excellent handling properties, which can overcome the above-mentioned problems of a nanocrystalline material having a powdery form while satisfactorily maintaining the properties of the nanocrystalline material (e.g., excellent catalytic activity). A thin-film-like composite of nanocrystal, characterized in that the thin-film-like composite of nanocrystal includes a thin-film-like connected assembly in which a plurality of nanocrystalline pieces each having a flake-like form and having a main surface and an end surface are connected to each other, the main surfaces of the plurality of nanocrystalline pieces exposed to the outside of the connected assembly are arranged so as to form gaps therebetween, and the connected assembly has a plan view area of 1 mm2 or more.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: April 16, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yoshikazu Tsuzuki, Mariko Wakae, Kazuhiko Kurusu
  • Patent number: 11591235
    Abstract: The present disclosure relates to a method for producing metal oxide nanoparticles includes a first step of preparing a reaction solution containing a metal complex, an alcohol, and water; a second step of heating the reaction solution for phase-separation under a hermetically sealed atmosphere where the volumetric expansion ratio of the reaction solution reaches 5 to 15%; a third step of holding the reaction solution heated in the second step for 30 minutes or more for dehydrating the metal complex to precipitate the metal oxide nanoparticles; and a fourth step of collecting the metal oxide nanoparticles after the metal oxide nanoparticles are cooled.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: February 28, 2023
    Assignees: FURUKAWA ELECTRIC CO., LTD., NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Yoshikazu Tsuzuki, Mariko Wakae, Kazuhiko Kurusu, Hideki Abe
  • Publication number: 20210245141
    Abstract: The present disclosure relates to a nanocrystal composite includes a connected aggregate including a plurality of nanocrystal fragments connected to one another, each nanocrystal fragment having a main surface and an end surface, and nanoparticles supported on the connected aggregate. The plurality of nanocrystal fragments each have a flaky shape; the plurality of nanocrystal fragments have gaps between the main surfaces; and the gaps G are arranged so as to open to the outside of the connected aggregate. The nanoparticles have a metallic element different from that of the plurality of nanocrystal fragments; and a proportion of a visual field area of the nanoparticles with respect to a visual field area of the plurality of nanocrystal fragments is 2% or more and 50% or less.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 12, 2021
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Yoshikazu TSUZUKI, Mariko WAKAE, Satoshi AOKI, Goro MIYOSHI, Hideki ABE
  • Publication number: 20210008525
    Abstract: A crystal-orientation controlled complex comprising a connected assembly having a thin film shape, in which a plurality of crystal pieces are connected with each other, the crystal pieces having a flake shape and having a main surface and an end surface, wherein the main surface has a crystal orientation relative to a specific crystal plane, and the thin film shaped connected assembly has a polarization singularity.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 14, 2021
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yoshikazu TSUZUKI, Mariko WAKAE, Satoshi AOKI, Goro MIYOSHI
  • Patent number: 10682608
    Abstract: A catalyst includes: a base material; and a nanocrystalline metal oxide composite having a plurality of accumulated flake-like nanocrystalline pieces in a connected state on the surface of the base material, the flake-like nanocrystalline pieces containing a metal oxide to accumulate, wherein the nanocrystalline metal oxide composite is configured such that an end surface of at least one of the nanocrystalline pieces is connected; the nanocrystalline pieces include a plurality of stacked surfaces stacked in a direction in which a main surface becomes an uppermost stacked surface; and when metal atoms or oxygen atoms forming the metal oxide are regarded as main constituent atoms, a proportion by number of the main constituent atoms to the metal atoms and the oxygen atoms forming the metal oxide existing on each stacked surface is 80% or more, and the main constituent atoms have a specific crystal orientation which changes in each stack.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 16, 2020
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Yoshikazu Tsuzuki, Kenji Iizuka, Mariko Wakae, Kazuhiko Kurusu
  • Publication number: 20200156956
    Abstract: The present disclosure relates to a method for producing metal oxide nanoparticles includes a first step of preparing a reaction solution containing a metal complex, an alcohol, and water; a second step of heating the reaction solution for phase-separation under a hermetically sealed atmosphere where the volumetric expansion ratio of the reaction solution reaches 5 to 15%; a third step of holding the reaction solution heated in the second step for 30 minutes or more for dehydrating the metal complex to precipitate the metal oxide nanoparticles; and a fourth step of collecting the metal oxide nanoparticles after the metal oxide nanoparticles are cooled.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Applicants: FURUKAWA ELECTRIC CO., LTD., NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Yoshikazu TSUZUKI, Mariko WAKAE, Kazuhiko KURUSU, Hideki ABE
  • Patent number: 10584030
    Abstract: The present disclosure provides that a catalyst exhibits excellent catalytic activity in both a hydrogenation involving a hydrogen-storing body containing an aromatic compound, and a dehydrogenation involving a hydrogen-supplying body containing a hydrogen derivative of the aromatic compound, wherein the catalyst contains a nanocrystalline composite having two or more accumulated flake-like nanocrystalline pieces in a connected state, the flake-like nanocrystalline pieces each having a main surface and an end surface, and in that the nanocrystalline composite is configured such that, when two adjacent nanocrystalline pieces are viewed, an end surface of at least one of the nanocrystalline pieces is connected.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: March 10, 2020
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Yoshikazu Tsuzuki, Kenji Iizuka, Mariko Wakae, Kazuhiko Kurusu
  • Publication number: 20200017367
    Abstract: An object of the present disclosure is to provide a thin-film-like composite of nanocrystal, as a nanocrystalline material having excellent handling properties, which can overcome the above-mentioned problems of a nanocrystalline material having a powdery form while satisfactorily maintaining the properties of the nanocrystalline material (e.g., excellent catalytic activity). A thin-film-like composite of nanocrystal, characterized in that the thin-film-like composite of nanocrystal includes a thin-film-like connected assembly in which a plurality of nanocrystalline pieces each having a flake-like form and having a main surface and an end surface are connected to each other, the main surfaces of the plurality of nanocrystalline pieces exposed to the outside of the connected assembly are arranged so as to form gaps therebetween, and the connected assembly has a plan view area of 1 mm2 or more.
    Type: Application
    Filed: September 6, 2019
    Publication date: January 16, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yoshikazu TSUZUKI, Mariko WAKAE, Kazuhiko KURUSU
  • Patent number: 10359237
    Abstract: A heat storage material composition, at least containing at least one organic compound selected from ethanol, ethylene glycol, propylene glycol, and acetic acid, sodium acetate, and water, wherein a content of the water is 72.4 to 100 parts by mass, relative to 100 parts by mass of the sodium acetate; an auxiliary heat source and a heat supply method, using the heat storage material composition.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: July 23, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takahiro Shimura, Masami Ikeda, Toshiaki Nakamura, Yoshikazu Tsuzuki, Tatsuya Minami
  • Publication number: 20180134550
    Abstract: The present disclosure provides that a catalyst exhibits excellent catalytic activity in both a hydrogenation involving a hydrogen-storing body containing an aromatic compound, and a dehydrogenation involving a hydrogen-supplying body containing a hydrogen derivative of the aromatic compound, wherein the catalyst contains a nanocrystalline composite having two or more accumulated flake-like nanocrystalline pieces in a connected state, the flake-like nanocrystalline pieces each having a main surface and an end surface, and in that the nanocrystalline composite is configured such that, when two adjacent nanocrystalline pieces are viewed, an end surface of at least one of the nanocrystalline pieces is connected.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Yoshikazu Tsuzuki, Kenji Iizuka, Mariko Wakae, Kazuhiko Kurusu
  • Publication number: 20180133649
    Abstract: A catalyst includes: a base material; and a nanocrystalline metal oxide composite having a plurality of accumulated flake-like nanocrystalline pieces in a connected state on the surface of the base material, the flake-like nanocrystalline pieces containing a metal oxide to accumulate, wherein the nanocrystalline metal oxide composite is configured such that an end surface of at least one of the nanocrystalline pieces is connected; the nanocrystalline pieces include a plurality of stacked surfaces stacked in a direction in which a main surface becomes an uppermost stacked surface; and when metal atoms or oxygen atoms forming the metal oxide are regarded as main constituent atoms, a proportion by number of the main constituent atoms to the metal atoms and the oxygen atoms forming the metal oxide existing on each stacked surface is 80% or more, and the main constituent atoms have a specific crystal orientation which changes in each stack.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Yoshikazu Tsuzuki, Kenji Iizuka, Mariko Wakae, Kazuhiko Kurusu
  • Publication number: 20150375561
    Abstract: A patterned pressure-sensitive adhesive body obtained by a method for producing a patterned pressure-sensitive adhesive body including a pattern forming step of cutting a pressure-sensitive adhesive layer in a pressure-sensitive adhesive film including a first release film and the pressure-sensitive adhesive layer laminated on one surface of the first release film so as to form a first slit in a pattern shape and an outer frame forming step of cutting the first release film and the pressure-sensitive adhesive layer so as to form a second slit in an outer frame shape surrounding the pattern shape, wherein the second slit has a discontinuous portion in a cutting direction.
    Type: Application
    Filed: September 3, 2015
    Publication date: December 31, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yoshikazu TSUZUKI, Yoshimasa NISHIDA, Takafumi SUZUKI, Hiromitsu MORISHITA, Masayoshi NATSUME, Shuuji SUGIMOTO
  • Patent number: 9162632
    Abstract: A method for producing a patterned pressure-sensitive adhesive body includes a pattern forming step of cutting a pressure-sensitive adhesive layer in a pressure-sensitive adhesive film including a first release film and the pressure-sensitive adhesive layer laminated on one surface of the first release film so as to form a first slit in a pattern shape and an outer frame forming step of cutting the first release film and the pressure-sensitive adhesive layer so as to form a second slit in an outer frame shape surrounding the pattern shape. The second slit has a discontinuous portion in a cutting direction.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 20, 2015
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yoshikazu Tsuzuki, Yoshimasa Nishida, Takafumi Suzuki, Hiromitsu Morishita, Masayoshi Natsume, Shuuji Sugimoto
  • Publication number: 20150153110
    Abstract: A heat storage material composition, at least containing at least one organic compound selected from ethanol, ethylene glycol, propylene glycol, and acetic acid, sodium acetate, and water, wherein a content of the water is 72.4 to 100 parts by mass, relative to 100 parts by mass of the sodium acetate; an auxiliary heat source and a heat supply method, using the heat storage material composition.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 4, 2015
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takahiro SHIMURA, Masami IKEDA, Toshiaki NAKAMURA, Yoshikazu TSUZUKI, Tatsuya MINAMI
  • Publication number: 20140093666
    Abstract: A method for producing a patterned pressure-sensitive adhesive body includes a pattern forming step of cutting a pressure-sensitive adhesive layer in a pressure-sensitive adhesive film including a first release film and the pressure-sensitive adhesive layer laminated on one surface of the first release film so as to form a first slit in a pattern shape and an outer frame forming step of cutting the first release film and the pressure-sensitive adhesive layer so as to form a second slit in an outer frame shape surrounding the pattern shape. The second slit has a discontinuous portion in a cutting direction.
    Type: Application
    Filed: September 26, 2013
    Publication date: April 3, 2014
    Applicant: NITTO DENKO CORPORATION
    Inventors: Yoshikazu TSUZUKI, Yoshimasa NISHIDA, Takafumi SUZUKI, Hiromitsu MORISHITA, Masayoshi NATSUME, Shuuji SUGIMOTO
  • Patent number: 8122169
    Abstract: A data buffer device includes: a tag value generation circuit that generates a tag value; a first buffer that stores first priority data; a second buffer that stores second priority data; and a data output circuit that outputs the first priority data or the second priority data, wherein the tag value generation circuit sets a tag value for the following second input data to a second tag value which differs from a first tag value for second preceding input data, and sets a tag value of the following first input data to a fourth tag value that is the same as a third tag value for the first preceding input data, and wherein the data output circuit outputs the first priority data or the second priority data in a first mode based on the tag values and outputs the first priority data earlier in a second mode.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: February 21, 2012
    Assignee: Fujitsu Semiconductor Limited
    Inventors: Ryuji Kojima, Tadahito Miura, Yoshikazu Tsuzuki, Shinichirou Nakajima, Daishi Kawabata, Hiroki Abukawa
  • Publication number: 20100281193
    Abstract: A data buffer device includes: a tag value generation circuit that generates a tag value; a first buffer that stores first priority data; a second buffer that stores second priority data; and a data output circuit that outputs the first priority data or the second priority data, wherein the tag value generation circuit sets a tag value for the following second input data to a second tag value which differs from a first tag value for second preceding input data, and sets a tag value of the following first input data to a fourth tag value that is the same as a third tag value for the first preceding input data, and wherein the data output circuit outputs the first priority data or the second priority data in a first mode based on the tag values and outputs the first priority data earlier in a second mode.
    Type: Application
    Filed: April 27, 2010
    Publication date: November 4, 2010
    Applicant: FUJITSU SEMICONDUCTOR LIMITED
    Inventors: Ryuji KOJIMA, Tadahito Miura, Yoshikazu Tsuzuki, Shinichirou Nakajima, Daishi Kawabata, Hiroki Abukawa
  • Patent number: 7241809
    Abstract: The present invention relates to a method for treating an inflammatory bowel disease, including administering an effective amount of 1,4-dihydroxy-2-naphthoic acid or a salt thereof.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: July 10, 2007
    Assignees: Meiji Dairies Corporation, The Food Science Institute Foundation
    Inventors: Yoshikiyo Okada, Yoshikazu Tsuzuki, Soichiro Miura
  • Patent number: 6963676
    Abstract: An optical module equipped with at least one optical component, a package for housing the one optical component, and a joining portion. The joining portion is formed within the package by Sn—Ag solder containing 2.0 to 5.0 wt % Ag and 2.0 to 20.0 wt % Au, or Sn—Zn solder containing 6.0 to 10.0 wt % Zn and 2.0 to 20.0 wt % Au.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: November 8, 2005
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Satoru Zama, Toshio Mugishima, Kengo Mitose, Yoshikazu Tsuzuki, Masato Sakata
  • Publication number: 20050137261
    Abstract: The present invention relates to a method for treating an inflammatory bowel disease, including administering an effective amount of 1,4-dihydroxy-2-naphthoic acid or a salt thereof.
    Type: Application
    Filed: December 22, 2003
    Publication date: June 23, 2005
    Applicants: MEIJI DAIRIES CORPORATION, The Food Science Institute Foundation
    Inventors: Yoshikiyo Okada, Yoshikazu Tsuzuki, Soichiro Miura