Patents by Inventor Kazumi Yasuda
Kazumi Yasuda 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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Non-oriented electrical steel sheet and method for manufacturing non-oriented electrical steel sheet
Patent number: 11970750Abstract: There is provided a non-oriented electrical steel sheet in which, in a cross section of a base material in a sheet thickness direction, the number density N2-5 of precipitates with an equivalent circle diameter of 50 to 500 nm present in a range of 2.0 to 5.0 ?m from the surface of the base material in the sheet thickness direction is 0.30 pieces/?m2 or less, and the relationship between the number density N2-5 and the number density N0-2 of precipitates with an equivalent circle diameter of 50 to 500 nm present in a range from the surface of the base material to 2.0 ?m satisfies Formula (1): (N2-5)/(N0-2)?0.5??Formula (1).Type: GrantFiled: March 31, 2022Date of Patent: April 30, 2024Assignee: NIPPON STEEL CORPORATIONInventors: Nobusato Morishige, Takeru Ichie, Masato Yasuda, Masahide Urago, Fuminobu Murakami, Daichi Hamada, Atsushi Shibayama, Kazumi Mizukami, Daisuke Itabashi -
Patent number: 11944997Abstract: A surface decoration structure includes an undercoat film, a silver mirror film layer, and a topcoat film formed on a surface of a substrate. The silver mirror film layer includes a film of stacked nanometer-sized silver particles having surfaces coated with a polymer dispersing agent, and the topcoat film includes, as a solvent, at least one member selected from the group consisting of an aliphatic hydrocarbon compound, an aliphatic hydrocarbon compound solution including 10% by mass or less of an aromatic compound, and diisobutyl ketone. The undercoat film and/or the topcoat film may include a corrosion inhibitor. The silver mirror film layer may further include a corrosion inhibitor. The surface decoration structure includes the silver mirror film layer with improved luster and corrosion resistance.Type: GrantFiled: November 24, 2017Date of Patent: April 2, 2024Assignee: SHIMANO INC.Inventors: Yasushi Nishimura, Akio Nagai, Wataru Yamauchi, Kazumi Yasuda, Hiroyuki Arimoto, Mai Ooe
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Publication number: 20200009606Abstract: A surface decoration structure includes an undercoat film, a silver mirror film layer, and a topcoat film formed on a surface of a substrate. The silver mirror film layer includes a film of stacked nanometer-sized silver particles having surfaces coated with a polymer dispersing agent, and the topcoat film includes, as a solvent, at least one member selected from the group consisting of an aliphatic hydrocarbon compound, an aliphatic hydrocarbon compound solution including 10% by mass or less of an aromatic compound, and diisobutyl ketone. The undercoat film and/or the topcoat film may include a corrosion inhibitor. The silver mirror film layer may further include a corrosion inhibitor. The surface decoration structure includes the silver mirror film layer with improved luster and corrosion resistance.Type: ApplicationFiled: November 24, 2017Publication date: January 9, 2020Inventors: Yasushi NISHIMURA, Akio NAGAI, Hisashi YAMAUCHI, Kazumi YASUDA, Hiroyuki ARIMOTO, Mai OOE
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Patent number: 9856396Abstract: A surface ornament composition for fishing tackle or a bicycle is provided. An inner coating layer is laminated on a part made of fiber reinforced plastics, a silver thin film coating layer is laminated on the inner coating layer and an outer coating layer is laminated on the silver thin film coating layer. The inner and outer coating layers are formed by use of one selected from resin paint of two-part type formed by urethane reaction of isocyanate group and hydroxyl group, resin paint of two-part type formed by reaction of resin having amino group and silicon compound having epoxy group and resin paint of two-part or three part type in which the above two reactions are simultaneously generated. The silver thin film coating layer is formed of metal complex of silver with amine as ligand that is heated after having been applied.Type: GrantFiled: May 9, 2012Date of Patent: January 2, 2018Assignee: Shimano Inc.Inventors: Yasushi Nishimura, Hiroyuki Arimoto, Kazumi Yasuda, Yasukazu Kawamoto
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Publication number: 20140174610Abstract: A tubular hollow member to which torsion about a center line is applied is characterized in performing a partial heat treatment on part of a peripheral wall of the hollow member to make the hardness of an outer portion of the peripheral wall greater than the hardness before heating and greater than the hardness of an inner portion of the peripheral wall, and reduce a residual stress of the inner portion of the peripheral wall.Type: ApplicationFiled: April 23, 2012Publication date: June 26, 2014Applicants: FUJI GIKEN CO., LTD., Y-TEC CORPORATIONInventors: Takeshi Edahiro, Norifumi Akutagawa, Kyotaro Yamane, Teruhisa Hiraoka, Kazumi Yasuda, Shigeaki Ando, Masaru Hashimoto, Yuichi Ando, Tetsuya Tsuruta
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Publication number: 20140178676Abstract: A surface ornament composition for a fishing tackle or a bicycle is provided. An inner coating layer is laminated on a part made of fiber reinforced plastics, a silver thin film coating layer is laminated on the inner coating layer and an outer coating layer is laminated on the silver thin film coating layer. The inner and outer coating layers are formed by use of one selected from resin paint of two-part type formed by urethane reaction of isocyanate group and hydroxyl group, resin paint of two-part type formed by reaction of resin having amino group and silicon compound having epoxy group and resin paint of two-part or three part type in which the above two reactions are simultaneously generated. The silver thin film coating layer is formed of metal complex of silver with amine as ligand that is heated after having been applied.Type: ApplicationFiled: May 9, 2012Publication date: June 26, 2014Applicant: SHIMANO INC.Inventors: Yasushi Nishimura, Hiroyuki Arimoto, Kazumi Yasuda, Yasukazu Kawamoto
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Patent number: 8511258Abstract: Disclosed is a coal boiler that makes it possible to reduce the height of the boiler and shorten the period of construction. The coal boiler includes a first furnace in which a combustion gas generated by burning coal and air ascends; a second furnace in which the combustion gas supplied from the first furnace flows downward; and a heat recovery area in which the combustion gas supplied from the second furnace flows upward.Type: GrantFiled: January 24, 2008Date of Patent: August 20, 2013Assignee: Hitachi, Ltd.Inventors: Kenji Yamamoto, Masato Handa, Teruyuki Okazaki, Kazumi Yasuda, Osamu Ito
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Patent number: 7878130Abstract: A overfiring air port of the present invention is to supply an incomplete combustion region with air making up for combustion-shortage, in a furnace in which the incomplete combustion region less than stoichiometric ratio is formed by a burner. Furthermore, the airport is characterized by comprising: a nozzle mechanism for injecting air including an axial velocity component of an air flow and a radial velocity component directed to a center line of the airport; and a control mechanism for controlling a ratio of these velocity components.Type: GrantFiled: November 3, 2005Date of Patent: February 1, 2011Assignee: Babcock-Hitachi K.K.Inventors: Kenji Yamamoto, Hirofumi Okazaki, Masayuki Taniguchi, Kazumi Yasuda, Kenji Kiyama, Takanori Yano, Akira Baba, Kenichi Ochi, Hisayuki Orita, Akihito Orii, Yuki Kamikawa, Kouji Kuramashi
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Patent number: 7681508Abstract: An after-air nozzle capable of reducing NOx and CO and a boiler equipped with such a nozzle are provided The after-air nozzle has a vena contracta such that an outside diameter of a flow passage diminishes towards the air-jetting port which supplies air to a boiler, and a changing apparatus changes a flow passage cross-sectional area of the vena contracta. A method of use of such an after-air nozzle and a boiler so equipped is also provided.Type: GrantFiled: November 1, 2005Date of Patent: March 23, 2010Assignee: Babcock-Hitachi K.K.Inventors: Masayuki Taniguchi, Kenji Yamamoto, Hirofumi Okazaki, Kazumi Yasuda, Kenji Kiyama, Takanori Yano, Akira Baba
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Publication number: 20080276844Abstract: Disclosed is a coal boiler that makes it possible to reduce the height of the boiler and shorten the period of construction. The coal boiler includes a first furnace in which a combustion gas generated by burning coal and air ascends; a second furnace in which the combustion gas supplied from the first furnace flows downward; and a heat recovery area in which the combustion gas supplied from the second furnace flows upward.Type: ApplicationFiled: January 24, 2008Publication date: November 13, 2008Inventors: Kenji YAMAMOTO, Masato Handa, Teruyuki Okazaki, Kazumi Yasuda, Osamu Ito
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Publication number: 20060115779Abstract: A overfiring air port of the present invention is to supply an incomplete combustion region with air making up for combustion-shortage, in a furnace in which the incomplete combustion region less than stoichiometric ratio is formed by a burner. Furthermore, the airport is characterized by comprising: a nozzle mechanism for injecting air including an axial velocity component of an air flow and a radial velocity component directed to a center line of the airport; and a control mechanism for controlling a ratio of these velocity components.Type: ApplicationFiled: November 3, 2005Publication date: June 1, 2006Applicant: BABCOCK-HITACHI K.K.Inventors: Kenji Yamamoto, Hirofumi Okazaki, Masayuki Taniguchi, Kazumi Yasuda, Kenji Kiyama, Takanori Yano, Akira Baba, Kenichi Ochi, Hisayuki Orita, Akihito Orii, Yuki Kamikawa, Kouji Kuramashi
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Publication number: 20060090677Abstract: An after-air nozzle capable of reducing NOx and CO and a boiler equipped with such a nozzle are provided The after-air nozzle has a vena contracta such that an outside diameter of a flow passage diminishes towards the air-jetting port which supplies air to a boiler, and a changing apparatus changes a flow passage cross-sectional area the vena contracta. A method of use of such an after-air nozzle and a boiler so equipped is also provided.Type: ApplicationFiled: November 1, 2005Publication date: May 4, 2006Applicant: BABCOCK-HITACHI K.K.Inventors: Masayuki Taniguchi, Kenji Yamamoto, Hirofumi Okazaki, Kazumi Yasuda, Kenji Kiyama, Takanori Yano, Akira Baba
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Patent number: 5350009Abstract: A twin roll-type sheet continuous casting apparatus includes a nozzle for supplying molten metal; a pair of casting rolls for casting the molten metal supplied from the nozzle into a sheet, the casting rolls being horizontally disposed in parallel relation to each other, being cooled, and rotated in opposite directions, respectively; a coiler; and a support sheet extending generally horizontally below the pair of casting rolls for receiving the cast sheet and transferring it to the coiler, and being taken up by the coiler along with the cast sheet placed therein. Since tension is not applied to the cast sheet, even a brittle material can be continuously cast into a sheet. Also, a dummy sheet requested for starting the casting of the sheet becomes unnecessary, and even when a rupture of the sheet occurs, the apparatus can be continuously operated without stopping the operation.Type: GrantFiled: December 21, 1992Date of Patent: September 27, 1994Assignee: Nippon Steel CorporationInventors: Toshiaki Mizoguchi, Kiyomi Shio, Yoshiyuki Ueshima, Kazumi Yasuda, Yoshio Morimoto, Hiromitu Haga, Kenichi Miyazawa
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Patent number: 4805348Abstract: Described herein is a flat lapping machine capable of precision-abrading simultaneously flat surfaces on the front and rear sides of a work in the fashion of lapping, polishing and grinding machines. The present invention contemplates to provide a flat lapping machine which is simplified in construction as compared with conventional flap lapping machines having a large number of carriers in planetary motions, and which can stop the respective carriers easily in specific positions and directions at the end of a lapping operation. To this end, the present invention employs a large number of support gear mechanisms each constituted by a plural number of small gears and located at uniform intervals around a center gear, rotatably supporting the respective carriers in predetermined positions while the respective carriers are driven by the center gear.Type: GrantFiled: July 29, 1986Date of Patent: February 21, 1989Assignee: Speedfam Co., Ltd.Inventors: Hatsuyuki Arai, Isao Nagahashi, Seiichi Maeda, Kazumi Yasuda, Shiro Furusawa, Kazuhiko Hirata, Kastunori Nagao, Kazuhiko Kondo, Takaya Sanoki, Misuo Sugiyama, Shinichi Kusano
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Patent number: 4370910Abstract: Using a pair of driven knifing rolls having annular wedges therearound, one above the other, a relatively hot metal piece having a rectangular cross-section is cut into three or more narrower widths. The annular wedges hold and bite into the metal piece being transferred in the longitudinal direction thereof, thus forming V-shaped grooves in the metal. The angle formed between that flank which is closer to the as-cast side of the metal piece to be cut, upon which no cutting force is exerted, and a perpendicular to the roll axis is greater than the angle formed between the opposite flank and the same perpendicular, so that the cross-sectional shape of the annular wedge is asymmetrical with respect to a line segment that passes through the pointed end of the wedge and extends perpendicular to the axis of the rolls.Type: GrantFiled: December 30, 1980Date of Patent: February 1, 1983Assignee: Nippon Steel CorporationInventors: Yasuo Suzuki, Shuji Nagata, Kazumi Yasuda