Patents by Inventor Shigeru Ogawa
Shigeru Ogawa 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: 20240096595Abstract: In a mask pattern forming method, a resist film is formed over a thin film, the resist film is processed into resist patterns having a predetermined pitch by photolithography, slimming of the resist patterns is performed, and an oxide film is formed on the thin film and the resist patterns after an end of the slimming step in a film deposition apparatus by supplying a source gas and an oxygen radical or an oxygen-containing gas. In the mask pattern forming method, the slimming and the oxide film forming are continuously performed in the film deposition apparatus.Type: ApplicationFiled: November 30, 2023Publication date: March 21, 2024Inventors: Kazuhide HASEBE, Shigeru NAKAJIMA, Jun OGAWA, Hiroki MURAKAMI
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Patent number: 11898478Abstract: An exhaust pipe forming a flow path of exhaust gas of a vehicle includes a first end including a first opening, a first flange portion formed on the first end, and a cover member. The first flange portion is configured to be fastened to a second flange portion formed on a second end of another exhaust pipe. The cover member includes a held portion and an inner circumferential portion. The held portion is held between the first end and the second end when the first flange portion and the second flange portion are fastened together. The inner circumferential portion covers a region adjacent to the first opening in the inner circumferential surface of the exhaust pipe.Type: GrantFiled: May 19, 2022Date of Patent: February 13, 2024Assignee: FUTABA INDUSTRIAL CO., LTD.Inventors: Yusuke Hiramatsu, Shigeru Ogawa
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Publication number: 20220381175Abstract: An exhaust pipe forming a flow path of exhaust gas of a vehicle includes a first end including a first opening, a first flange portion formed on the first end, and a cover member. The first flange portion is configured to be fastened to a second flange portion formed on a second end of another exhaust pipe. The cover member includes a held portion and an inner circumferential portion. The held portion is held between the first end and the second end when the first flange portion and the second flange portion are fastened together. The inner circumferential portion covers a region adjacent to the first opening in the inner circumferential surface of the exhaust pipe.Type: ApplicationFiled: May 19, 2022Publication date: December 1, 2022Inventors: Yusuke Hiramatsu, Shigeru Ogawa
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Patent number: 10307806Abstract: A provisional elongation strain difference distribution ??(x) of a metal strip during rolling is found under conditions in which out-of-plane deformation of the metal strip is restrained. A critical buckling strain difference distribution ??cr(x) is found based on the provisional elongation strain difference distribution ??(x), a strip thickness and strip width of the metal strip, and tension acting on the metal strip at exit from a rolling mill. When the provisional elongation strain difference distribution ??(x) exceeds the critical buckling strain difference distribution ??cr(x), the difference between the provisional elongation strain difference distribution ??(x) and the critical buckling strain difference distribution ??cr(x) is found, and added to the provisional elongation strain difference distribution ??(x) to find a true elongation strain difference distribution ???(x).Type: GrantFiled: August 11, 2015Date of Patent: June 4, 2019Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Tooru Akashi, Shigeru Ogawa, Kenji Yamada
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Patent number: 9770746Abstract: [Object] To provide a rolling apparatus capable of accurately detecting a rolling direction force applied to a work roll chock. [Solution] A rolling apparatus for flat-rolled metal materials including a pair of upper and lower work rolls 1 and 2 includes a pair of work roll chocks 5 and 6 configured to hold the respective work rolls 1 and 2, housings 10 configured to hold the work roll chocks, and rolling direction force measurement devices 21, 22, 23, and 24 configured to measure rolling direction forces.Type: GrantFiled: June 25, 2013Date of Patent: September 26, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Atsushi Ishii, Daisuke Kasai, Shigeru Ogawa, Hiroki Kato, Yuuto Okabe
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Patent number: 9770747Abstract: [Object] To provide a rolling apparatus capable of accurately detecting a rolling direction force applied to a work roll chock. [Solution] A rolling apparatus for flat-rolled metal materials includes a pair of upper and lower work rolls 1 and 2, and a pair of upper and lower backup rolls 3 and 4. The rolling apparatus includes a pair of work roll chocks 5 and 6 configured to hold the respective work rolls, housings 10 configured to hold the work roll chocks, and load detection devices 21 to 24 provided in the work roll chocks, the load detection devices each detecting a load acting on one of the housings from one of the work roll chocks on an entry side in a rolling direction or on an exit side in the rolling direction.Type: GrantFiled: June 25, 2013Date of Patent: September 26, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Atsushi Ishii, Daisuke Kasai, Shigeru Ogawa, Hiroki Kato, Yuuto Okabe
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Publication number: 20170259312Abstract: A provisional elongation strain difference distribution ??(x) of a metal strip during rolling is found under conditions in which out-of-plane deformation of the metal strip is restrained. A critical buckling strain difference distribution ??cr(x) is found based on the provisional elongation strain difference distribution ??(x), a strip thickness and strip width of the metal strip, and tension acting on the metal strip at exit from a rolling mill. In cases in which the provisional elongation strain difference distribution ??(x) exceeds the critical buckling strain difference distribution ??cr(x), the difference between the provisional elongation strain difference distribution ??(x) and the critical buckling strain difference distribution ??cr(x) is found, and this difference is added to the provisional elongation strain difference distribution ??(x) to find a true elongation strain difference distribution ???(x).Type: ApplicationFiled: August 11, 2015Publication date: September 14, 2017Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Tooru AKASHI, Shigeru OGAWA, Kenji YAMADA
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Patent number: 9211574Abstract: A method for manufacturing a steel sheet of the invention includes a hot-rolling process in which a steel material is hot-rolled using a finishing mill so as to obtain a hot-rolled steel sheet; and a cooling process in which the hot-rolled steel sheet is cooled. The hot-rolling process includes a target steepness-setting process in which a target steepness of the edge wave shape is set based on first correlation data indicating a correlation between a steepness of the edge wave shape of the hot-rolled steel sheet and a temperature standard deviation Y; and a shape-controlling process in which operation parameters of the finishing mill are controlled so as to match the steepness of the edge wave shape with the target steepness.Type: GrantFiled: December 6, 2012Date of Patent: December 15, 2015Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Tooru Akashi, Takeo Itoh, Daisuke Kasai, Shigeru Ogawa, Shingo Kuriyama
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Patent number: 9085810Abstract: A cooling method of a thick-gauge steel plate by spraying water from a plurality of spray nozzles on the top and bottom surfaces of the thick-gauge steel plate conveyed between the adjoining pairs of constraining rolls, each comprising a top roll and bottom roll, constraining and conveying the steel plate so as to efficiently cool the top and bottom surfaces of thick-gauge steel plate to secure symmetry of temperatures of the top and bottom surfaces and uniformity of temperature in the plate width direction and achieve improvement of flatness of thick-gauge steel plate and uniformity of quality.Type: GrantFiled: November 5, 2013Date of Patent: July 21, 2015Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Yoshihiro Serizawa, Ryuji Yamamoto, Hisayoshi Matsunaga, Shigeru Ogawa, Yutaka Akase, Hironori Ueno
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Patent number: 9061335Abstract: A cooling apparatus for hot rolling is installed on a downstream side of a finishing mill of a continuous hot rolling mill, and cools a steel sheet rolled by the finishing mill while being conveyed. The cooling apparatus includes first pinch rolls which, during an interval when the steel sheet fed out from a final stand of the finishing mill moves from a position of the final stand to a position where a surface temperature of the steel sheet reaches 850° C. or less, pinch the steel sheet while applying tension of 3.9 MPa or greater.Type: GrantFiled: October 7, 2009Date of Patent: June 23, 2015Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Yoshihiro Serizawa, Shigeru Ogawa, Yoji Nakamura, Tooru Akashi, Noriyuki Hishinuma, Tetsuo Kishimoto
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Patent number: 8973419Abstract: The present invention discovers that a rolling direction force occurs even with conventional adjustment by the kiss roll state, pinpoints that the rolling direction force does not affect the roll thrust force, and thereby enables more precise initial roll gap position adjustment of a rolling mill (rolling zero adjustment). That is, this is based on the fact that high precision rolling zero adjustment becomes possible without being affected by any thrust force acting between rolls if performing differential asymmetrical roll gap zero point adjustment of the work side and the drive side so that the difference of the rolling direction forces acting on the roll chocks of the work side and the drive side of the work roll at the work side and the drive side (in practice, within ±5% of the sum of the rolling direction forces at the work side and the drive side).Type: GrantFiled: April 11, 2011Date of Patent: March 10, 2015Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Daisuke Kasai, Atsushi Ishii, Shigeru Ogawa
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Patent number: 8920708Abstract: The present invention provides a method of cooling a hot-rolled steel strip which has passed through a finishing rolling, including: cooling the hot-rolled steel strip from a first temperature of not lower than 600° C. and not higher than 650° C. to a second temperature of not higher than 450° C. with cooling water having the water amount density of not lower than 4 m3/m2/min and not higher than 10 m3/m2/min, wherein with respect to the area of the target surface, the area of a portion where a plurality of spray jets of the cooling water directly strikes on the target surface is at least 80%.Type: GrantFiled: August 14, 2012Date of Patent: December 30, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Yoshihiro Serizawa, Yasuhiro Nishiyama, Shigeru Ogawa, Shinji Ida, Hitoshi Nikaidoh, Isao Yoshii, Noriyuki Hishinuma, Tetsuo Kishimoto, Nobuhiro Takagi
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Publication number: 20140305179Abstract: [Object] To provide a rolling apparatus capable of accurately detecting a rolling direction force applied to a work roll chock. [Solution] A rolling apparatus for flat-rolled metal materials includes a pair of upper and lower work rolls 1 and 2, and a pair of upper and lower backup rolls 3 and 4. The rolling apparatus includes a pair of work roll chocks 5 and 6 configured to hold the respective work rolls, housings 10 configured to hold the work roll chocks, and load detection devices 21 to 24 provided in the work roll chocks, the load detection devices each detecting a load acting on one of the housings from one of the work roll chocks on an entry side in a rolling direction or on an exit side in the rolling direction.Type: ApplicationFiled: June 25, 2013Publication date: October 16, 2014Inventors: Atsushi Ishii, Daisuke Kasai, Shigeru Ogawa, Hiroki Kato, Yuuto Okabe
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Publication number: 20140283573Abstract: A rolling apparatus for flat-rolled metal materials including a pair of upper and lower work rolls 1 and 2 includes a pair of work roll chocks 5 and 6 configured to hold the respective work rolls 1 and 2, housings 10 configured to hold the work roll chocks, and rolling direction force measurement devices 21, 22, 23, and 24 configured to measure rolling direction forces. The rolling direction force measurement devices include a plurality of load detection devices on an entry side or an exit side of the work roll chocks in a rolling direction, and the plurality of load detection devices are provided to one of the housings, and the plurality of load detection devices are disposed in a manner that, during rolling of the flat-rolled metal materials, at least two of the load detection devices are arranged adjacent to each other in a draft direction facing a side surface of a corresponding one of the work roll chocks.Type: ApplicationFiled: June 25, 2013Publication date: September 25, 2014Inventors: Atsushi Ishii, Daisuke Kasai, Shigeru Ogawa, Hiroki Kato, Yuuto Okabe
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Patent number: 8720244Abstract: The present invention provides a method for supplying lubricant to various kinds of steel sheets with different qualities in cold rolling without any restrictions, such as lubricant supplying apparatus or lubrication conditions. This method comprises storing two or more kinds of lubricant such as A and B, having different compositions, selecting one lubricant or a mixture lubricant of the above A and B in accordance with the friction coefficient between the steel sheet to be cold rolled and a work-rolls, and supplying an emulsion comprising a mixture of the lubricant A and/or B and heated water.Type: GrantFiled: November 17, 2005Date of Patent: May 13, 2014Assignees: Nippon Steel & Sumitomo Metal Corporation, Arcelor FranceInventors: Yoshiki Takahama, Toshiyuki Shiraishi, Shigeru Ogawa, Luc Vanel, Guy Hauret, Maxime Laugier, Pascal Masson
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Patent number: 8720242Abstract: The present invention provides a rolling mill of a plate or a sheet which eliminates rolling trouble due to warping of the rolled material and wavy shaped flatness defects running through the plate or sheet width direction such as “waviness”, “full waves, and “small waves” by providing a pair of a top and bottom work rolls, a pair of electric motors independently driving the pair of rolls, and control means for controlling one electric motor using the roll rotational speed as a control target value and controlling the other electric motor using the rolling torque applied to the rolled material from the work roll driven by that electric motor becoming substantially constant as a control target and using the drive torque as a control amount and a control technique of such a rolling mill of a plate or a sheet.Type: GrantFiled: October 30, 2008Date of Patent: May 13, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Shigeru Ogawa, Atsushi Ishii, Yoji Nakamura, Yasuhiro Higashida
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Publication number: 20140117595Abstract: A cooling method of a thick-gauge steel plate by spraying water from a plurality of spray nozzles on the top and bottom surfaces of the thick-gauge steel plate conveyed between the adjoining pairs of constraining rolls, each comprising a top roll and bottom roll, constraining and conveying the steel plate so as to efficiently cool the top and bottom surfaces of thick-gauge steel plate to secure symmetry of temperatures of the top and bottom surfaces and uniformity of temperature in the plate width direction and achieve improvement of flatness of thick-gauge steel plate and uniformity of quality.Type: ApplicationFiled: November 5, 2013Publication date: May 1, 2014Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Yoshihiro Serizawa, Ryuji Yamamoto, Hisayoshi Matsunaga, Shigeru Ogawa, Yutaka Akase, Hironori Ueno
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Publication number: 20140109640Abstract: The present invention provides a method for supplying lubricant to various kinds of steel sheets with different qualities in cold rolling without any restrictions, such as lubricant supplying apparatus or lubrication conditions. This method comprises storing two or more kinds of lubricant such as A and B, having different compositions, selecting one lubricant or a mixture lubricant of the above A and B in accordance with the friction coefficient between the steel sheet to be cold rolled and a work-rolls, and supplying an emulsion comprising a mixture of the lubricant A and/or B and heated water.Type: ApplicationFiled: January 2, 2014Publication date: April 24, 2014Applicant: Nippon Steel & Sumitomo Metal CorporationInventors: Yoshiki Takahama, Toshiyuki Shiraishi, Shigeru Ogawa, Luc Vanel, Guy Hauret, Maxime Laugier, Pascal Masson
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Publication number: 20140076018Abstract: A method for manufacturing a steel sheet of the invention includes a hot-rolling process in which a steel material is hot-rolled using a finishing mill so as to obtain a hot-rolled steel sheet; and a cooling process in which the hot-rolled steel sheet is cooled. The hot-rolling process includes a target steepness-setting process in which a target steepness of the edge wave shape is set based on first correlation data indicating a correlation between a steepness of the edge wave shape of the hot-rolled steel sheet and a temperature standard deviation Y; and a shape-controlling process in which operation parameters of the finishing mill are controlled so as to match the steepness of the edge wave shape with the target steepness.Type: ApplicationFiled: December 6, 2012Publication date: March 20, 2014Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Tooru Akashi, Takeo Itoho, Daisuke Kasai, Shigeru Ogawa, Shingo Kuriyama
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Patent number: 8621906Abstract: The object is to strictly eliminate the difference in offset of work rolls at the upper and lower and left and right of the rolling mill occurring in the kiss roll state before rolling or during rolling and eliminate the problem of warping of the flat products or meander or camber due to the thrust force acting between the work rolls and backup rolls.Type: GrantFiled: February 24, 2009Date of Patent: January 7, 2014Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Shigeru Ogawa, Atsushi Ishii, Daisuke Kasai