Patents by Inventor Hiroaki Mizuno

Hiroaki Mizuno 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).

  • Publication number: 20240043982
    Abstract: There is provided a thermal spray coating which has excellent plasma erosion resistance, which protects members of a plasma etching device from plasma erosion over a long period of term, and which can contribute to the stable production of devices and a longer life of members. The thermal spray material which is one aspect of this invention contains a composite compound containing a rare earth fluoride in the proportion of 40 mol % or more and 80 mol % or less, a magnesium fluoride in the proportion of 10 mol % or more and 40 mol % or less, and a calcium fluoride in the proportion of 0 mol % or more and 40 mol % or less.
    Type: Application
    Filed: November 18, 2021
    Publication date: February 8, 2024
    Applicants: TOCALO Co., Ltd., FUJIMI INCORPORATED
    Inventors: Yasuhiro Shiojiri, Tatsuo Suidzu, Kensuke Taguchi, Hiroaki Mizuno, Takaya Masuda
  • Patent number: 11331879
    Abstract: An object of the present invention is to provide an inorganic board suitable for achieving high specific strength and high freeze-thaw resistance as well as weight reduction and a method for producing the inorganic board. An inorganic board X1 according to the present invention includes a cured layer 11 that includes an inorganic cured matrix, an organic reinforcement material dispersed therein, and a hollow body that is attached to the organic reinforcement material and is smaller than the maximum length of the organic reinforcement material.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: May 17, 2022
    Assignee: NICHTHA CORPORATION
    Inventors: Yasuhiro Takamura, Hiroaki Mizuno
  • Publication number: 20200215793
    Abstract: An object of the present invention is to provide an inorganic board suitable for achieving high specific strength and high freeze-thaw resistance as well as weight reduction and a method for producing the inorganic board. An inorganic board X1 according to the present invention includes a cured layer 11 that includes an inorganic cured matrix, an organic reinforcement material dispersed therein, and a hollow body that is attached to the organic reinforcement material and is smaller than the maximum length of the organic reinforcement material.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Applicant: Nichiha Corporation
    Inventors: Yasuhiro TAKAMURA, Hiroaki MIZUNO
  • Patent number: 10689743
    Abstract: A piston ring is provided with a thermal spray coating that contains tungsten carbide and chrome carbide as a hard phase, and contains nickel as a metallic binder phase, and is characterized in that the thermal spray coating is formed by the spraying of a thermal spray powder that has been produced by means of a granulation sintering method, and that contains hard particles in which the mean particle diameter of the tungsten carbide has been adjusted by means of a BET method to fall within a range of not less than 0.15 ?m and not more than 0.45 ?m.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: June 23, 2020
    Assignees: IHI CORPORATION, IHI POWER SYSTEMS CO., LTD.
    Inventors: Yoshiyuki Saito, Takeshi Yamada, Yoshiyuki Umemoto, Nobuaki Kato, Hiroaki Mizuno
  • Patent number: 10661550
    Abstract: Provided is a material for molding, without a mold, a highly uniform structure comprising a resin and a non-resin such as metals and ceramic. The molding material provided by this invention is formed of a powder comprising a resin and at least one species of non-resin selected among metals and ceramic. The resin material has a uniformity index N below 0.2. N is determined by depositting the powder in a softened or melted state to form a structure in a temperature range between the resin material's minimum molding temperature and maximum molding tempeature+100° C.; measuring the structure's porosity Rn at 12 locations by image analysis; and dividing the variance of porosity Rn by the average porosity Rn. The minimum and maximum molding temperatures are the lowest and highest heater temperatures at which the resin material can be molded at a pressure of 3500 psi by injection molding, respectively.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: May 26, 2020
    Assignee: FUJIMI INCORPORATED
    Inventors: Kazuto Sato, Hiroaki Mizuno, Hiroyuki Ibe, Fumi Shinoda, Kyohei Ota
  • Patent number: 10605300
    Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element formed of Si. The amount of the second element in the thermal spray powder is 40% by mole or less. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.002 or greater and 0.03 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: March 31, 2020
    Assignees: TOCALO CO., LTD., FUJIMI INCORPORATED
    Inventors: Noriyuki Yasuo, Takeshi Takabatake, Tatsuo Suidzu, Hiroaki Mizuno, Takaya Masuda, Tatsuya Kuno
  • Patent number: 10539176
    Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element selected from Al and Mg. The amount of the second element in the thermal spray powder is 20% by mole or greater. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.05 or greater and 0.5 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: January 21, 2020
    Assignees: FUJIMI INCORPORATED, TOCALO CO., LTD.
    Inventors: Tatsuo Suidzu, Noriyuki Yasuo, Takeshi Takabatake, Hiroaki Mizuno, Takaya Masuda, Tatsuya Kuno
  • Patent number: 10450651
    Abstract: Provided is an article having a novel surface with a texture different from conventional kinds. The article having a metal oxide-containing coating provided by the present invention comprises a substrate and a metal oxide-containing coating provided to the substrate surface. The metal oxide-containing coating has a Vickers hardness of 350 or higher, a surface roughness Ra of 300 nm or less, and a 20° gloss value of 50 or higher.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: October 22, 2019
    Assignee: FUJIMI INCORPORATED
    Inventors: Hitoshi Morinaga, Kazusei Tamai, Maiko Asai, Hiroaki Mizuno, Kyohei Ota
  • Patent number: 10377905
    Abstract: A thermal spray slurry of the present invention contains ceramic particles having an average particle size of 200 nm or more and 5 ?m or less. Precipitates formed when 700 mL of the thermal spray slurry is placed in a 16.5-cm-high cylindrical vessel having a volume of 1 L and is allowed to stand still at room temperature for 1 week are made to disappear by disposing, at a temperature of 20° C. or higher and 30° C. or lower, the cylindrical vessel so as for the central axis of the cylindrical vessel to be horizontal and by rotating the cylindrical vessel at a rotation speed of 100 rpm for 120 minutes around the central axis of the cylindrical vessel to stir the thermal spray slurry in the cylindrical vessel.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: August 13, 2019
    Assignee: FUJIMI INCORPORATED
    Inventors: Junya Kitamura, Hiroaki Mizuno, Kazuto Sato, Kazuyuki Tsuzuki
  • Patent number: 10196536
    Abstract: A thermal spray slurry of the present invention contains ceramic particles in a content of 10% by mass or more and 85% by mass or less, and has a viscosity of 3,000 mPa·s or less. The ceramic particles have an average particle size of, for example, 1 nm or more and 5 ?m or less. The thermal spray slurry may further contain a dispersant. The thermal spray slurry may further contain a viscosity modifier. The thermal spray slurry may further contain a flocculant.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: February 5, 2019
    Assignee: FUJIMI INCORPORATED
    Inventors: Junya Kitamura, Hiroaki Mizuno, Kazuto Sato, Kazuyuki Tsuzuki
  • Publication number: 20170314612
    Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element selected from Al and Mg. The amount of the second element in the thermal spray powder is 20% by mole or greater. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.05 or greater and 0.5 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.
    Type: Application
    Filed: October 28, 2015
    Publication date: November 2, 2017
    Applicants: FUJIMI INCORPORATED, TOCALO CO., Ltd.
    Inventors: Tatsuo SUIDZU, Noriyuki YASUO, Takeshi TAKABATAKE, Hiroaki MIZUNO, Takaya MASUDA, Tatsuya KUNO
  • Publication number: 20170314613
    Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element formed of Si. The amount of the second element in the thermal spray powder is 40% by mole or less. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.002 or greater and 0.03 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.
    Type: Application
    Filed: October 28, 2015
    Publication date: November 2, 2017
    Applicants: FUJIMI INCORPORATED, TOCALO CO., Ltd.
    Inventors: Noriyuki YASUO, Takeshi TAKABATAKE, Tatsuo SUIDZU, Hiroaki MIZUNO, Takaya MASUDA, Tatsuya KUNO
  • Publication number: 20170157842
    Abstract: Provided is a material for molding, without a mold, a highly uniform structure comprising a resin and a non-resin such as metals and ceramic. The molding material provided by this invention is formed of a powder comprising a resin and at least one species of non-resin selected among metals and ceramic. The resin material has a uniformity index N below 0.2. N is determined by depositting the powder in a softened or melted state to form a structure in a temperature range between the resin material's minimum molding temperature and maximum molding tempeature+100° C.; measuring the structure's porosity Rn at 12 locations by image analysis; and dividing the variance of porosity Rn by the average porosity Rn. The minimum and maximum molding temperatures are the lowest and highest heater temperatures at which the resin material can be molded at a pressure of 3500 psi by injection molding, respectively.
    Type: Application
    Filed: June 29, 2015
    Publication date: June 8, 2017
    Applicant: FUJIMI INCORPORATED
    Inventors: Kazuto SATO, Hiroaki MIZUNO, Hiroyuki IBE, Fumi SHINODA, Kyohei OTA
  • Patent number: 9670099
    Abstract: A thermal spray powder of the present invention contains a rare earth element and a group 2 element, which belongs to group 2 of the periodic table. The thermal spray powder, which contains a rare earth element and a group 2 element, is formed, for example, from a mixture of a rare earth element compound and a group 2 element compound or from a compound or solid solution containing a rare earth element and a group 2 element. The thermal spray powder may further contain a diluent element that is not a rare earth element or a group 2 element and is not oxygen, which is at least one element selected, for example, from titanium, zirconium, hafnium, vanadium, niobium, tantalum, zinc, boron, aluminum, gallium, silicon, molybdenum, tungsten, manganese, germanium, and phosphorus.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: June 6, 2017
    Assignees: FUJIMI INCORPORATED, TOKYO ELECTRON LIMITED
    Inventors: Hiroaki Mizuno, Junya Kitamura, Yoshiyuki Kobayashi
  • Patent number: 9528176
    Abstract: A thermal spray powder of the present invention contains a rare earth element and a diluent element that is not a rare earth element or oxygen, which is at least one element selected, for example, from zinc, silicon, boron, phosphorus, titanium, calcium, strontium, and magnesium. A sintered body of a single oxide of the diluent element has an erosion rate under specific etching conditions that is no less than 5 times the erosion rate of an yttrium oxide sintered body under the same etching conditions.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: December 27, 2016
    Assignees: FUJIMI INCORPORATED, TOKYO ELECTRON LIMITED
    Inventors: Hiroaki Mizuno, Junya Kitamura, Yoshiyuki Kobayashi
  • Publication number: 20160281202
    Abstract: A piston ring is provided with a thermal spray coating that contains tungsten carbide and chrome carbide as a hard phase, and contains nickel as a metallic binder phase, and is characterized in that the thermal spray coating is formed by the spraying of a thermal spray powder that has been produced by means of a granulation sintering method, and that contains hard particles in which the mean particle diameter of the tungsten carbide has been adjusted by means of a BET method to fall within a range of not less than 0.15 ?m and not more than 0.45 ?m.
    Type: Application
    Filed: June 10, 2016
    Publication date: September 29, 2016
    Inventors: Yoshiyuki SAITO, Takeshi YAMADA, Yoshiyuki UMEMOTO, Nobuaki KATO, Hiroaki MIZUNO
  • Publication number: 20160040278
    Abstract: A thermal spray slurry of the present invention contains ceramic particles having an average particle size of 200 nm or more and 5 ?m or less. Precipitates formed when 700 mL of the thermal spray slurry is placed in a 16.5-cm-high cylindrical vessel having a volume of 1 L and is allowed to stand still at room temperature for 1 week are made to disappear by disposing, at a temperature of 20° C. or higher and 30° C. or lower, the cylindrical vessel so as for the central axis of the cylindrical vessel to be horizontal and by rotating the cylindrical vessel at a rotation speed of 100 rpm for 120 minutes around the central axis of the cylindrical vessel to stir the thermal spray slurry in the cylindrical vessel.
    Type: Application
    Filed: March 7, 2014
    Publication date: February 11, 2016
    Applicant: FUJIMI INCORPORATED
    Inventors: Junya KITAMURA, Hiroaki MIZUNO, Kazuto SATO, Kazuyuki TSUZUKI
  • Publication number: 20160024328
    Abstract: A thermal spray slurry of the present invention contains ceramic particles in a content of 10% by mass or more and 85% by mass or less, and has a viscosity of 3,000 mPa·s or less. The ceramic particles have an average particle size of, for example, 1 nm or more and 5 ?m or less. The thermal spray slurry may further contain a dispersant. The thermal spray slurry may further contain a viscosity modifier. The thermal spray slurry may further contain a flocculant.
    Type: Application
    Filed: March 7, 2014
    Publication date: January 28, 2016
    Applicant: FUJIMI INCORPORATED
    Inventors: Junya KITAMURA, Hiroaki MIZUNO, Kazuto SATO, Kazuyuki TSUZUKI
  • Patent number: 9212169
    Abstract: The present invention aims to provide a compound capable of inhibiting PCA-1 that can be a target for a novel treatment method of various diseases, and pharmaceutical use of the compound. A compound represented by the formula (I): wherein each symbol is as defined in the DESCRIPTION, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: December 15, 2015
    Assignees: HYOGO COLLEGE OF MEDICINE, KAGOSHIMA UNIVERSITY, OSAKA UNIVERSITY
    Inventors: Kazutake Tsujikawa, Akito Tanaka, Shunji Aoki, Hiroaki Mizuno, Miyuki Tokoro, Tatsuhiko Furukawa
  • Publication number: 20150354058
    Abstract: Provided is an article having a novel surface with a texture different from conventional kinds. The article having a metal oxide-containing coating provided by the present invention comprises a substrate and a metal oxide-containing coating provided to the substrate surface. The metal oxide-containing coating has a Vickers hardness of 350 or higher, a surface roughness Ra of 300 nm or less, and a 20° gloss value of 50 or higher.
    Type: Application
    Filed: November 27, 2013
    Publication date: December 10, 2015
    Applicant: FUJIMI INCORPORATED
    Inventors: Hitoshi MORINAGA, Kazusei TAMAI, Maiko ASAI, Hiroaki MIZUNO, Kyohei OTA