Patents by Inventor Masahiro Nakata
Masahiro Nakata 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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Patent number: 12062266Abstract: A claw gaming machine may comprise a cabinet, a claw assembly, prize objects, and a shooter unit. The machine may be configured to: determine an outcome of a claw game; allow an input device to control the claw assembly; end the claw game when the claw assembly does not pick up a prize object and the determined outcome is a losing outcome; cause the claw assembly to move and release the picked-up object away from the shooter unit when the claw assembly does pick-up a prize object and the determined outcome is a losing outcome, cause the claw assembly to drop the picked-up object on the shooter unit when the claw assembly picks-up the object and the determined outcome is a winning outcome; and cause a winning game presentation display when the claw assembly does not pick up a prize object and the determined outcome is a winning outcome.Type: GrantFiled: May 23, 2023Date of Patent: August 13, 2024Assignee: Empire Technological Group LimitedInventors: Takaki Narita, Kenji Enokido, Hiroki Saito, Satoshi Joko, Go Miyamoto, Akira Shimizu, Hiromu Saigusa, Jyunichi Murakami, Satoshi Nakata, Masahiro Sugimoto
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Patent number: 12043877Abstract: A steel sheet includes a sheet thickness center part and a first surface layer softened part and a second surface layer softened part respectively arranged at two sides of the sheet thickness center part, wherein the first surface layer softened part and second surface layer softened part have 10 ?m or more average thicknesses and have average Vickers hardnesses of 0.90 times or less of the average Vickers hardness of a sheet thickness ½ position, and the first surface layer softened part has an average Vickers hardness of 1.05 times or more the average Vickers hardness of the second surface layer softened part.Type: GrantFiled: August 6, 2021Date of Patent: July 23, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Katsuya Nakano, Yuji Sakiyama, Takashi Yasutomi, Yoshiaki Honda, Masahiro Nakata
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Publication number: 20240181749Abstract: Provided is a metallized polypropylene film having excellent insulation breakdown resistance properties. The metallized polypropylene film of the present invention has a thickness of 0.5 to 4.0 ?m and has a feature such that the number of insulation breakdown points multiplied by thickness, as determined under predetermined measurement conditions for measuring the number of insulation breakdown points, is 1.90 (points/cm2)·?m or less.Type: ApplicationFiled: April 12, 2022Publication date: June 6, 2024Applicant: Oji Holdings CorporationInventors: Shigeru SUZUKI, Yoshikazu FUJISHIRO, Kazuyuki HIATE, Yoshimune OKUYAMA, Masahiro NAKATA, Tadakazu ISHIWATA, Toshitsugu TAKAGAKI
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Patent number: 11926730Abstract: A polypropylene film which is capable of suppressing blocking in a rolled polypropylene film. The polypropylene film has a first surface and a second surface, contains a polypropylene resin as a main component, and is configured such that: the Svk value (SvkA) of the first surface is 0.005 ?m or more and 0.030 ?m or less; the Spk value (SpkA) of the first surface is more than 0.035 ?m and 0.080 ?m or less; the Svk value (SvkB) of the second surface is 0.005 ?m or more and 0.030 ?m or less; and the Spk value (SpkB) of the second surface is 0.015 ?m or more and 0.035 ?m or less.Type: GrantFiled: April 17, 2023Date of Patent: March 12, 2024Assignee: Oji Holdings CorporationInventors: Tatsuji Ishida, Yoshimune Okuyama, Masahiro Nakata, Tadakazu Ishiwata
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Patent number: 11859259Abstract: A zinc-plated steel sheet includes a steel sheet having a predetermined chemical composition and a zinc-plated layer. In the steel sheet, steel microstructures in a range of ? thickness to ? thickness, having the center at ¼ thickness from a steel sheet surface, include, by vol %, ferrite: 0% to 10%, bainite: 0% to 30%, tempered martensite: 50% or more, fresh martensite: 0% to 10%, retained austenite: more than 10% and 30% or less, and pearlite: 0% to 5%. In the zinc-plated steel sheet, the amount of hydrogen emitted when the steel sheet is heated to 200° C. from room temperature after removal of the zinc-plated layer is 0.40 ppm or less per mass of the steel sheet, the tensile strength is 1470 MPa or more, and no cracking occurs in a U-shape bending test where a stress equivalent to 1000 MPa is applied for 24 hours.Type: GrantFiled: April 26, 2019Date of Patent: January 2, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Takafumi Yokoyama, Kunio Hayashi, Masahiro Nakata, Yuji Yamaguchi, Satoshi Uchida
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Patent number: 11817272Abstract: In a metallized film 1, n electrode portions 20, which are metal deposition portions, are formed in parallel on one surface of a dielectric film 2 having a film width corresponding to n capacitor elements, n being an even number of 2 or more. Each electrode portion 20 is provided with a plurality of inclined margins 31 and 32, which are metal non-deposition portions extending at an angle with respect to a film width direction, at a regular interval in a film length direction. Across a center line Lc virtually extending in the film length direction at the center in the film width direction, the inclined margins 31 of the electrode portion 20 located on one side in the film width direction, and the inclined margins 32 of the electrode portion 20 located on the other side in the film width direction are inclined in opposite directions so as to be line-symmetric with respect to the center line Lc.Type: GrantFiled: August 14, 2018Date of Patent: November 14, 2023Assignee: OJI HOLDINGS CORPORATIONInventors: Kazuyuki Hiate, Akihiro Kakehi, Katsuyuki Moritaka, Yoshikazu Fujishiro, Masahiro Nakata
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Publication number: 20230340245Abstract: A polypropylene film which is capable of suppressing blocking in a rolled polypropylene film. The polypropylene film has a first surface and a second surface, contains a polypropylene resin as a main component, and is configured such that: the Svk value (SvkA) of the first surface is 0.005 ?m or more and 0.030 ?m or less; the Spk value (SpkA) of the first surface is more than 0.035 ?m and 0.080 ?m or less; the Svk value (SvkB) of the second surface is 0.005 ?m or more and 0.030 ?m or less; and the Spk value (SpkB) of the second surface is 0.015 ?m or more and 0.035 ?m or less.Type: ApplicationFiled: April 17, 2023Publication date: October 26, 2023Inventors: Tatsuji ISHIDA, Yoshimune OKUYAMA, Masahiro NAKATA, Tadakazu ISHIWATA
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Publication number: 20230330733Abstract: A die includes a first die and a second die, and at least one of the first die or the second die includes: a bottom portion having a plate shape; a top portion having a plate shape and is provided apart from the bottom portion; and a stiffening member having one end directly connected to the bottom portion and another end connected to the top portion, the stiffening member extending in an inclined manner from a connection portion with the bottom portion toward a side at which a center of the top portion is located as the stiffening member extends from the bottom portion side toward the top portion side.Type: ApplicationFiled: October 6, 2021Publication date: October 19, 2023Inventors: Ryo URUSHIBATA, Yasuhiro ITO, Masahiro NAKATA
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Publication number: 20230257844Abstract: Provided is a steel sheet comprising a sheet thickness center part and a first surface layer softened part and a second surface layer softened part respectively arranged at two sides of the sheet thickness center part, wherein the first surface layer softened part and second surface layer softened part have 10 ?m or more average thicknesses and have average Vickers hardnesses of 0.90 time or less of the average Vickers hardness of a sheet thickness ½ position, and the first surface layer softened part has an average Vickers hardness of 1.05 times or more the average Vickers hardness of the second surface layer softened part.Type: ApplicationFiled: August 6, 2021Publication date: August 17, 2023Applicant: NIPPON STEEL CORPORATIONInventors: Katsuya NAKANO, Yuji SAKIYAMA, Takashi YASUTOMI, Yoshiaki HONDA, Masahiro NAKATA
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Publication number: 20230250521Abstract: Provided is a steel sheet comprising a sheet thickness center part and a first surface layer part and a second surface layer part respectively arranged at two sides of the sheet thickness center part, wherein the first surface layer part and second surface layer part respectively independently have thicknesses of more than 10 ?m to 30% or less of the sheet thickness, the first surface layer part and second surface layer part have average Vickers hardnesses different from the average Vickers hardness of a sheet thickness ½ position, and a first hardness cumulative value at a region from a surface of the first surface layer part side to 30% of the sheet thickness is 1.05 times or more of a second hardness cumulative value at a region from a surface of the second surface layer part side to 30% of the sheet thickness.Type: ApplicationFiled: August 6, 2021Publication date: August 10, 2023Applicant: NIPPON STEEL CORPORATIONInventors: Yuji SAKIYAMA, Takashi YASUTOMI, Katsuya NAKANO, Yoshiaki HONDA, Masahiro NAKATA
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Patent number: 11685963Abstract: A zinc-plated steel sheet of an aspect of the present invention includes a steel sheet having a predetermined chemical composition and a zinc-plated layer. In the steel sheet, steel microstructures in a range of ? thickness to ? thickness, having the center at ¼ thickness from a steel sheet surface, include, by vol %, ferrite: 0% to 10%, bainite: 0% to 20%, tempered martensite: 70% or more, fresh martensite: 0% to 10%, retained austenite: 0% to 10%, and pearlite: 0% to 5%. In the zinc-plated steel sheet, the amount of hydrogen emitted when the steel sheet is heated to 200° C. from a room temperature after removal of the zinc-plated layer is 0.40 ppm or less per mass of the steel sheet, the tensile strength is 1470 MPa or more, and no cracking occurs in a U-shape bending test where a stress equivalent to 1000 MPa is applied for 24 hours.Type: GrantFiled: April 26, 2019Date of Patent: June 27, 2023Assignee: NIPPON STEEL CORPORATIONInventors: Takafumi Yokoyama, Kunio Hayashi, Masahiro Nakata, Yuji Yamaguchi, Satoshi Uchida
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Patent number: 11661507Abstract: A polypropylene film which is capable of suppressing blocking in a rolled polypropylene film. The polypropylene film has a first surface and a second surface, contains a polypropylene resin as a main component, and is configured such that: the Svk value (SvkA) of the first surface is 0.005 ?m or more and 0.030 ?m or less; the Spk value (SpkA) of the first surface is more than 0.035 ?m and 0.080 ?m or less; the Svk value (SvkB) of the second surface is 0.005 ?m or more and 0.030 ?m or less; and the Spk value (SpkB) of the second surface is 0.015 ?m or more and 0.035 ?m or less.Type: GrantFiled: September 9, 2022Date of Patent: May 30, 2023Assignee: Oji Holdings CorporationInventors: Tatsuji Ishida, Yoshimune Okuyama, Masahiro Nakata, Tadakazu Ishiwata
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Patent number: 11649531Abstract: A steel sheet has a specific chemical composition and has a structure represented by, by area ratio, ferrite: 5 to 60%, and bainite: 40 to 95%. When a region that is surrounded by a grain boundary having a misorientation of 15° or more and has a circle-equivalent diameter of 0.3 ?m or more is defined as a crystal grain, the proportion of crystal grains each having an intragranular misorientation of 5 to 14° to all crystal grains is 20 to 100% by area ratio. A precipitate density of Ti(C,N) and Nb(C,N) each having a circle-equivalent diameter of 10 nm or less is 1010 precipitates/mm3 or more. A ratio (Hvs/Hvc) of a hardness at 20 ?m in depth from a surface (Hvs) to a hardness of the center of a sheet thickness (Hvc) is 0.85 or more.Type: GrantFiled: August 4, 2017Date of Patent: May 16, 2023Assignee: NIPPON STEEL CORPORATIONInventors: Kohichi Sano, Makoto Uno, Ryoichi Nishiyama, Yuji Yamaguchi, Natsuko Sugiura, Masahiro Nakata
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Publication number: 20230044276Abstract: A polypropylene film which is capable of suppressing blocking in a rolled polypropylene film. The polypropylene film has a first surface and a second surface, contains a polypropylene resin as a main component, and is configured such that: the Svk value (SvkA) of the first surface is 0.005 ?m or more and 0.030 ?m or less; the Spk value (SpkA) of the first surface is more than 0.035 ?m and 0.080 ?m or less; the Svk value (SvkB) of the second surface is 0.005 ?m or more and 0.030 ?m or less; and the Spk value (SpkB) of the second surface is 0.015 ?m or more and 0.035 ?m or less.Type: ApplicationFiled: September 9, 2022Publication date: February 9, 2023Inventors: Tatsuji ISHIDA, Yoshimune OKUYAMA, Masahiro NAKATA, Tadakazu ISHIWATA
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Patent number: 11492475Abstract: A polypropylene film which is capable of suppressing blocking in a rolled polypropylene film. The polypropylene film has a first surface and a second surface, contains a polypropylene resin as a main component, and is configured such that: the Svk value (SvkA) of the first surface is 0.005 ?m or more and 0.030 ?m or less; the Spk value (SpkA) of the first surface is more than 0.035 ?m and 0.080 ?m or less; the Svk value (SvkB) of the second surface is 0.005 ?m or more and 0.030 ?m or less; and the Spk value (SpkB) of the second surface is 0.015 ?m or more and 0.035 ?m or less.Type: GrantFiled: December 26, 2018Date of Patent: November 8, 2022Assignee: OJI HOLDINGS CORPORATIONInventors: Tatsuji Ishida, Yoshimune Okuyama, Masahiro Nakata, Tadakazu Ishiwata
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Publication number: 20220300809Abstract: A data generation system according to one or more embodiments generates a first pseudo sample including a first feature of a type corresponding to an input value using a trained first generator, a second pseudo sample including a second feature of a type corresponding to an input value using a trained second generator, and a new sample including the first feature and the second feature by synthesizing the generated first pseudo sample and the generated second pseudo sample.Type: ApplicationFiled: September 2, 2020Publication date: September 22, 2022Applicant: OMRON CorporationInventors: Yamato OKAMOTO, Ryo YONETANI, Masahiro NAKATA, Yoshiaki MIYATA
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Patent number: 11447848Abstract: A steel sheet wherein a steel structure of an inside of the steel sheet contains, by volume fraction, soft ferrite: 0% to 30%, retained austenite: 3% to 40%, fresh martensite: 0% to 30%, a sum of pearlite and cementite: 0% to 10%, and a remainder including hard ferrite. In the steel sheet, in a ? to ? thickness range, a proportion of retained austenite having an aspect ratio of 2.0 or more is 50% or more, and a soft layer having a thickness of 1 to 100 ?m from a surface in a sheet thickness direction is present. When an emission intensity at a wavelength indicating Si is analyzed in the sheet thickness direction from the surface by a radio-frequency glow discharge analysis method, a peak of the emission intensity appears in a range of more than 0.2 ?m and 5.0 ?m or less from the surface.Type: GrantFiled: March 30, 2018Date of Patent: September 20, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Takafumi Yokoyama, Kohichi Sano, Riki Okamoto, Hiroyuki Kawata, Eisaku Sakurada, Yuji Yamaguchi, Kazuki Shiokawa, Yuichi Nakahira, Kohei Ueda, Masahiro Nakata, Satoshi Uchida
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Patent number: 11377710Abstract: A steel sheet has a chemical composition with a steel structure containing, by volume fraction, soft ferrite: 0-30%, retained austenite: 3-40%, fresh martensite: 0-30%, pearlite and cementite: 0-10%, and a remainder including hard ferrite. In the steel sheet, a number proportion of retained austenite having an aspect ratio of 2.0 or more in the total retained austenite is 50% or more, and a soft layer having a thickness of 1-100 ?m is present. In the soft layer, a volume fraction of ferrite grains having an aspect ratio of less than 3.0 is 50% or more, and a volume fraction of retained austenite is 50% or more of the volume fraction of the retained austenite of the inside of the steel sheet. A peak of an emission intensity at a wavelength indicating Si appears in a range of more than 0.2 ?m to 5 ?m or less from the surface.Type: GrantFiled: March 30, 2018Date of Patent: July 5, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Takafumi Yokoyama, Kohichi Sano, Riki Okamoto, Hiroyuki Kawata, Eisaku Sakurada, Yuji Yamaguchi, Kazuki Shiokawa, Yuichi Nakahira, Kohei Ueda, Masahiro Nakata, Satoshi Uchida
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Patent number: 11364707Abstract: To solve the problem about the difference in temperature increasing rate between an overlapped part and a one-sheet part so as to further improve the corrosion resistance of plating after hot stamping.Type: GrantFiled: April 5, 2019Date of Patent: June 21, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Soshi Fujita, Yuki Suzuki, Masahiro Fuda, Jun Maki, Hideaki Irikawa, Masahiro Nakata
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Patent number: 11332803Abstract: A high-strength hot-dip galvanized steel sheet contains predetermined amounts of C, Si, Mn, P, S, N, O, sol. Al, Ti, and B, 0.1 to 1.5 mass % of Cr+2×Mo, and a balance in a form of Fe and inevitable impurities. A steel structure includes, in area %, ferrite: 1 to 50%, martensite: 20 to 70%, residual austenite: 0 to 5%, pearlite: 0 to 5%, MA and cementite having 0.2 ?m or more grain size: 0 to 5% in total, and a balance in a form of bainite. A number density of MA or cementite having 0.2 ?m or more grain size and isolated in ferrite or bainite grains is 100 pcs/1000 ?m2 or less, and an average hardness of martensite is in a range from 330 to 500 Hv.Type: GrantFiled: March 22, 2018Date of Patent: May 17, 2022Assignee: NIPPON STEEL CORPORATIONInventors: Takafumi Yokoyama, Yuji Yamaguchi, Masahiro Nakata, Kunio Hayashi, Satoshi Uchida, Takuma Kawanaka