Patents by Inventor Masaki Iida
Masaki Iida 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).
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Publication number: 20250230009Abstract: A heat treatment apparatus includes a conveyance device, an outer wall, and guide rollers. The conveyance device conveys a workpiece. The outer wall has a processing space therein where the workpiece is processed while being conveyed. The guide roller is provided in the processing space and guides the workpiece. The guide roller includes a shaft, a first bearing and a second bearing, a cylindrical roller body, and a first cover and a second cover. The first cover and the second cover close corresponding gaps between an inner ring and an outer ring, on the outer sides of the first bearing and the second bearing, respectively, along the axial direction of the shaft.Type: ApplicationFiled: January 10, 2025Publication date: July 17, 2025Applicant: Noritake Co., LimitedInventors: Hidenori Nakamura, Hideaki Ohi, Masaki Iida
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Publication number: 20250230518Abstract: A heat treatment apparatus includes a furnace body and a cooling device. The furnace body has therein a processing space where a workpiece is heat-treated. The cooling device cools the processing space within the furnace body. The furnace body is provided with a first opening and a second opening. The cooling device includes an inner pipe, an outer pipe, a refrigerant supply unit, and an air supply unit. The inner pipe is provided outside the furnace body. The inner pipe couples the first opening and the second opening. The outer pipe encloses at least a portion of a periphery of the inner pipe. The refrigerant supply unit supplies a refrigerant between the inner pipe and the outer pipe. The air supply unit sends air through the inner pipe from the first opening toward the second opening.Type: ApplicationFiled: January 10, 2025Publication date: July 17, 2025Applicant: Noritake Co., LimitedInventors: Hidenori Nakamura, Hideaki Ohi, Masaki Iida
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Publication number: 20250230980Abstract: A heat treatment apparatus includes a furnace body, a door, and a pipe. The furnace body has therein a processing space where the workpiece is heat-treated, and it is provided with an opening. The door closes the opening of the furnace body. A refrigerant flows through the pipe. The door is provided with a seal material in a region that overlaps a peripheral edge of the opening of the furnace body when the door is closed. The pipe is attached around a region in the furnace body against which the seal material is pressed.Type: ApplicationFiled: January 10, 2025Publication date: July 17, 2025Applicant: Noritake Co., LimitedInventors: Hidenori Nakamura, Hideaki Ohi, Masaki Iida
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Publication number: 20250230977Abstract: A heat treatment apparatus includes a conveyance device, an unwinding unit, a heat treatment unit, and a winding unit. The conveyance device conveys a strip-shaped workpiece. The unwinding unit unwinds the workpiece. The heat treatment unit has therein a processing space where the unwound workpiece is heat-treated. The winding unit winds up the processed workpiece. At least one of the unwinding unit and the winding unit includes a pair of retainers and a pair of support parts. The pair of retainers retains a core of a roll, on which the workpiece is wound, from both sides thereof in an axial direction. The pair of support parts receives end portions of the core, below both end portions of the core retained by the retainers.Type: ApplicationFiled: January 10, 2025Publication date: July 17, 2025Applicant: Noritake Co., LimitedInventors: Hidenori Nakamura, Hideaki Ohi, Masaki Iida
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Publication number: 20250034750Abstract: A manufacturing device includes a first gas inlet that is disposed closer to a first end of a firing furnace and introduces gas into the firing furnace, a gas outlet that is disposed closer to a second end of the firing furnace and discharges gas inside the firing furnace to the outside, and a transport device that transports a metal compound and a flux from a point closer to the gas outlet to a point closer to the first gas inlet. The firing furnace has a heating region, a cooling region, and a reaction region that is defined between the heating region and the cooling region and in which the metal compound and the flux react. The manufacturing device utilizes airflow generated by the gas introduced through the first gas inlet to convert the flux vaporized in the reaction region into powder in the cooling region and to deliver gas containing the powder of the flux to the gas outlet.Type: ApplicationFiled: November 8, 2022Publication date: January 30, 2025Inventors: Hideyuki MURATA, Naoto YAGI, Masaki IIDA, Shoji IMAMURA, Jianjun YUAN
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Publication number: 20250001805Abstract: Provided is a pneumatic tire in which rolling resistance is reduced by gauge thinning of a belt, and a reduction in durability in an end of a belt layer and the deterioration of the moist heat resistive adhesiveness of the belt layer are suppressed. Each of the thickness of a first belt layer 5a and the thickness of a second belt layer 5b in the center section of the tire is 1.00 mm or less; when the shortest distance between the code 6b of the second belt layer 5b and the code 6a of the first belt layer 5a in the center section of the tire is set at a, and the shortest distance between the code 6b of the second belt layer 5b in an end and the code 6a of the first belt layer 5a is set at b, a and b satisfy a relationship represented by the following expression: 1.8? b/a?4.0; and a coating rubber 7 that coats the first belt layer 5a and the second belt layer 5b includes: a rubber component including natural rubber; a resin component; and a sulfenamide vulcanization accelerator.Type: ApplicationFiled: October 17, 2022Publication date: January 2, 2025Applicant: BRIDGESTONE CORPORATIONInventors: Masaki IIDA, Ami YAMAMOTO, Kyohei MATSUMOTO, Yudai HASEGAWA, Yujiro FUJIWARA
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Publication number: 20240018335Abstract: Zinc oxide particles having a polyhedron shape, wherein the crystallite diameter of the [100] plane of the zinc oxide particles is 200 nm or greater. A method for producing the zinc oxide particles, the method including firing a zinc compound in the presence of a molybdenum compound. A resin composition containing the zinc oxide particles and a resin.Type: ApplicationFiled: September 28, 2021Publication date: January 18, 2024Applicant: DIC CorporationInventors: Jianjun Yuan, Takayuki Kanematsu, Akeo Takahashi, Masaki Iida
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Patent number: 11279830Abstract: Provided is a surface-treated spinel particle (B) including a spinel particle (A) including a magnesium atom, an aluminum atom, and an oxygen atom and a surface treatment layer disposed at least a portion of the surface of the spinel particle (A). The surface treatment layer includes a surface-treating agent including an organic compound or a cured product of the surface-treating agent. The spinel particle (A) further includes molybdenum. The crystallite diameter of the [111] plane of the spinel particle (A) is 220 nm or more. Also provided are a method for producing the surface-treated spinel particle (B), a resin composition including the surface-treated spinel particle (B), and a molded article.Type: GrantFiled: September 21, 2017Date of Patent: March 22, 2022Assignee: DIC CorporationInventors: Kazuo Itoya, Atsushi Oshio, Hironobu Oki, Masaki Iida, Yasuyo Sakamoto, Masamichi Hayashi, Takayuki Kanematsu, Fumihiko Maekawa, Jian-Jun Yuan, Hiroshi Kinoshita
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Patent number: 11214494Abstract: A spinel compound oxide particle includes metallic atoms, aluminum atoms, oxygen atoms, and molybdenum atoms, wherein the metallic atoms are selected from the group consisting of zinc atoms, cobalt atoms, and strontium atoms, and a crystallite size in a [111] plane is 100 nm or more. Included are a step (1) of firing a first mixture including a molybdenum compound and a metallic-atom-containing compound or a first mixture including a molybdenum compound, a metallic-atom-containing compound, and an aluminum compound to prepare an intermediate; and a step (2) of firing, at a temperature higher than a temperature selected in the step (1), a second mixture including the intermediate or a second mixture including the intermediate and an aluminum compound.Type: GrantFiled: May 1, 2018Date of Patent: January 4, 2022Assignee: DIC CorporationInventors: Kazuo Itoya, Masaki Iida, Jian-Jun Yuan, Yasuyo Yoshimoto, Hironobu Oki, Masamichi Hayashi
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Publication number: 20210301143Abstract: Provided is a surface-treated spinel particle (B) including a spinel particle (A) including a magnesium atom, an aluminum atom, and an oxygen atom and a surface treatment layer disposed at least a portion of the surface of the spinel particle (A). The surface treatment layer includes a surface-treating agent including an organic compound or a cured product of the surface-treating agent. The spinel particle (A) further includes molybdenum. The crystallite diameter of the [111] plane of the spinel particle (A) is 220 nm or more. Also provided are a method for producing the surface-treated spinel particle (B), a resin composition including the surface-treated spinel particle (B), and a molded article.Type: ApplicationFiled: September 21, 2017Publication date: September 30, 2021Applicant: DIC CorporationInventors: Kazuo Itoya, Atsushi Oshio, Hironobu Oki, Masaki Iida, Yasuyo Sakamoto, Masamichi Hayashi, Takayuki Kanematsu, Fumihiko Maekawa, Jian-Jun Yuan, Hiroshi Kinoshita
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Patent number: 11040887Abstract: Alumina is generally used as an inorganic filler, while spinel, which is known to be lower in thermal conductivity than alumina, is used in applications such as gems, fluorescence emitters, catalyst carriers, adsorbents, photocatalysts and heat-resistant insulating materials, but not expected to be used as a thermally conductive inorganic filler. Thus, an object of the invention is to provide spinel particles having excellent thermal conductive properties. The invention relates to a spinel particle including magnesium, aluminum and oxygen atoms and molybdenum and having a [111] plane crystallite diameter of 220 nm or more.Type: GrantFiled: June 23, 2016Date of Patent: June 22, 2021Assignee: DIC CorporationInventors: Hironobu Oki, Kazuo Itoya, Masaki Iida, Jian-Jun Yuan, Hiroshi Kinoshita
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Publication number: 20200308014Abstract: Alumina is generally used as an inorganic filler, while spinel, which is known to be lower in thermal conductivity than alumina, is used in applications such as gems, fluorescence emitters, catalyst carriers, adsorbents, photocatalysts and heat-resistant insulating materials, but not expected to be used as a thermally conductive inorganic filler. Thus, an object of the invention is to provide spinel particles having excellent thermal conductive properties. The invention relates to a spinel particle including magnesium, aluminum and oxygen atoms and molybdenum and having a [111] plane crystallite diameter of 220 nm or more.Type: ApplicationFiled: June 23, 2016Publication date: October 1, 2020Applicant: DIC CorporationInventors: Hironobu Oki, Kazuo Itoya, Masaki Iida, Jian-jun Yuan, Hiroshi Kinoshita
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Publication number: 20200062607Abstract: A spinel compound oxide particle includes metallic atoms, aluminum atoms, oxygen atoms, and molybdenum atoms, wherein the metallic atoms are selected from the group consisting of zinc atoms, cobalt atoms, and strontium atoms, and a crystallite size in a [111] plane is 100 nm or more. Included are a step (1) of firing a first mixture including a molybdenum compound and a metallic-atom-containing compound or a first mixture including a molybdenum compound, a metallic-atom-containing compound, and an aluminum compound to prepare an intermediate; and a step (2) of firing, at a temperature higher than a temperature selected in the step (1), a second mixture including the intermediate or a second mixture including the intermediate and an aluminum compound.Type: ApplicationFiled: November 11, 2018Publication date: February 27, 2020Inventors: Kazuo Itoya, Masaki Iida, Jian-Jun Yuan, Yasuyo Yoshimoto, Hironobu Oki, Masamichi Hayashi
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Patent number: 8163386Abstract: The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.Type: GrantFiled: September 2, 1998Date of Patent: April 24, 2012Assignees: Ishihara Sangyo Kaisha, Ltd., Japan as Represented By the Head Of National Institute for Research in Inorganic Materials, Science & Technology AgencyInventors: Takayoshi Sasaki, Mamoru Watanabe, Yuichi Michiue, Masaki Iida
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Patent number: 7947249Abstract: The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.Type: GrantFiled: June 22, 2007Date of Patent: May 24, 2011Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Takayoshi Sasaki, Mamoru Watanabe, Yuichi Michiue, Masaki Iida
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Patent number: 7943114Abstract: The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.Type: GrantFiled: June 22, 2007Date of Patent: May 17, 2011Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Takayoshi Sasaki, Mamoru Watanabe, Yuichi Michiue, Masaki Iida
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Patent number: 7531160Abstract: The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.Type: GrantFiled: May 25, 2007Date of Patent: May 12, 2009Assignee: Ishihara Sangyo Kaisha, Ltd.Inventors: Takayoshi Sasaki, Mamoru Watanabe, Yuichi Michiue, Masaki Iida
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Publication number: 20080008645Abstract: The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.Type: ApplicationFiled: June 22, 2007Publication date: January 10, 2008Inventors: Takayoshi Sasaki, Mamoru Watanabe, Yuichi Michiue, Masaki Iida
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Publication number: 20080003176Abstract: The present invention relates to fine hollow powder with a titanium oxide shell, obtained by spray drying an exfoliated titania sol, and thin flaky titanium oxide powder obtained by pulverizing the fine hollow powder, and also to processes for producing the same. The present fine hollow powder and thin flaky titanium oxide powder have a distinguished dispersibility and are useful for additives to cosmetics, pigments, paints, etc., and the present fine hollow powder also has a distinguished flowability and is useful for seed particles for flow measurement.Type: ApplicationFiled: May 25, 2007Publication date: January 3, 2008Inventors: Takayoshi Sasaki, Mamoru Watanabe, Yuichi Michiue, Masaki Iida