Patents by Inventor Takeshi Kubota
Takeshi Kubota 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
Publication number: 20210062286Abstract: A non-oriented electrical steel sheet according to one embodiment of the invention has a chemical composition represented by C: 0.0030% or less, Si: 2.00% or less, Al: 1.00% or less, Mn: 0.10% to 2.00%, S: 0.0030% or less, one or more selected from the group consisting of Mg, Ca, Sr, Ba, Nd, Pr, La, Ce, Zn, and Cd: 0.0003% or greater and less than 0.0015% in total, a parameter Q represented by Q=[Si]+2x[Al]?[Mn]: 2.00 or less; Sn: 0.00% to 0.40%, Cu: 0.00% to 1.00%, and a remainder: Fe and impurities, and a parameter R represented by R?(I100+I310+I411+I521)/(I111+I211+I332+I221) is 0.80 or greater.Type: ApplicationFiled: February 15, 2019Publication date: March 4, 2021Applicant: NIPPON STEEL CORPORATIONInventors: Takeshi KUBOTA, Takeaki WAKISAKA, Masafumi MIYAZAKI, Takashi MOROHOSHI -
Patent number: 10852610Abstract: An opening insulation film covers a substrate and is in contact with a side surface of a gate electrode. The opening insulation film is provided with a first opening portion having a side surface on the gate electrode. A gate insulation film made of an oxide insulator is on the gate electrode and the opening insulation film. A semiconductor channel film made of an oxide semiconductor is on the gate insulation film and is encompassed by the first opening portion. Source and drain electrodes are on the semiconductor channel film. A source upper-layer electrode and a drain upper-layer electrode both made of an oxide are provided at least on upper surfaces of the source electrode and the drain electrode, respectively. An interlayer insulation film made of an oxide has a portion provided on the source upper-layer electrode and the drain upper-layer electrode and is in contact the semiconductor channel film.Type: GrantFiled: March 8, 2019Date of Patent: December 1, 2020Assignee: Mitsubishi Electric CorporationInventors: Kazunori Inoue, Koji Oda, Takafumi Hashiguchi, Takeshi Kubota
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NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number: 20200350104Abstract: A non-oriented electrical steel sheet according to one embodiment of the invention has a chemical composition represented by C: 0.0030% or less, Si: 2.00% or less, Al: 1.00% or less, Mn: 0.10% to 2.00%, S: 0.0030% or less, one or more selected from the group consisting of Mg, Ca, Sr, Ba, Nd, Pr, La, Ce, Zn, and Cd: greater than 0.0100% and not greater than 0.0250% in total, a parameter Q represented by Q=[Si]+2×[Al]?[Mn]: 2.00 or less; Sn: 0.00% to 0.40%, Cu: 0.00% to 1.00%, and a remainder: Fe and impurities, and a parameter R represented by R=(I100+I310+I411+I521)/(I111+I211+I332+I221) is 0.80 or greater.Type: ApplicationFiled: February 15, 2019Publication date: November 5, 2020Applicant: NIPPON STEEL CORPORATIONInventors: Takeshi KUBOTA, Takeaki WAKISAKA, Masafumi MIYAZAKI, Takashi MOROHOSHI -
Publication number: 20200283232Abstract: An endless belt includes a band-shaped belt main body made of a vulcanized rubber, and a coupling part that is made of a thermoplastic resin and is provided between both end parts of the belt main body, wherein the vulcanized rubber of the both end parts of the belt main body and the thermoplastic resin of the coupling part are chemically bonded to each other.Type: ApplicationFiled: September 27, 2018Publication date: September 10, 2020Inventors: Yoshihiro KONISHI, Takeshi KUBOTA, Akito OI, Akihiko KURIYA
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Publication number: 20200224296Abstract: When a Si content (mass %) is set to [Si], an Al content (mass %) is set to [Al], and a Mn content (mass %) is set to [Mn], a parameter Q represented by “Q=[Si]+2[Al]?[Mn]” is 2.00 or more, the total mass of S contained in sulfides or oxysulfides of Mg, Ca, Sr, Ba, Ce, La, Nd, Pr, Zn, or Cd is 40% or more of the total mass of S contained in a non-oriented electrical steel sheet, a {100} crystal orientation intensity is 3.0 or more, a thickness is 0.15 mm to 0.30 mm, and an average crystal grain diameter is 65 ?m to 100 ?m.Type: ApplicationFiled: June 2, 2017Publication date: July 16, 2020Applicant: NIPPON STEEL CORPORATIONInventors: Takeshi KUBOTA, Takashi MOROHOSHI, Masafumi MIYAZAKI
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Publication number: 20200152363Abstract: When a Si content (mass %) is set to [Si], an Al content (mass %) is set to [Al], and a Mn content (mass %) is set to [Mn], a parameter Q represented by “Q=[Si]+2[Al]?[Mn]” is 2.00 or more, the total mass of S contained in sulfides or oxysulfides of Mg, Ca, Sr, Ba, Ce, La, Nd, Pr, Zn, or Cd is 40% or more of the total mass of S contained in a non-oriented electrical steel sheet, a {100} crystal orientation intensity is 3.0 or more, a thickness is 0.15 mm to 0.30 mm, and an average crystal grain diameter is 65 ?m to 100 ?m.Type: ApplicationFiled: June 2, 2017Publication date: May 14, 2020Applicant: NIPPON STEEL CORPORATIONInventors: Takeshi KUBOTA, Takashi MOROHOSHI, Masafumi MIYAZAKI
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Patent number: 10540379Abstract: A method, executed by one or more processors, includes receiving a first bit sequence corresponding to source data having a source encoding bit-length (BLS), generating one or more additional bit sequences by shifting the first bit sequence by shift lengths that are equal to a multiple of the source encoding bit-length, partitioning the first bit sequence and the one or more additional bit sequences according to a target encoding bit-length (BLT) to provide a plurality of target encoding search patterns, and searching a target character string encoded with the target encoding using the plurality of target encoding search patterns. A computer system and computer program product corresponding to the above method are also disclosed herein.Type: GrantFiled: December 11, 2017Date of Patent: January 21, 2020Assignee: International Business Machines CorporationInventors: Takahide Nogayama, Daisuke Mogi, Takeshi Kubota, Hideki Inomata, Yu Ito
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Publication number: 20200017942Abstract: When a Si content (mass %) is set to [Si], an Al content (mass %) is set to [Al], and a Mn content (mass %) is set to [Mn], a parameter Q represented by “Q=[Si]+2[Al]?[Mn]” is 2.00 or more, the total mass of S contained in sulfides or oxysulfides of Mg, Ca, Sr, Ba, Ce, La, Nd, Pr, Zn, or Cd is 10% or more of the total mass of S contained in a non-oriented electrical steel sheet, a {100} crystal orientation intensity is 3.0 or more, a thickness is 0.15 mm to 0.30 mm, and an average crystal grain diameter is 65 ?m to 100 ?m.Type: ApplicationFiled: June 2, 2017Publication date: January 16, 2020Applicant: NIPPON STEEL CORPORATIONInventors: Takeshi KUBOTA, Takashi MOROHOSHI, Masafumi MIYAZAKI
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Publication number: 20190293980Abstract: An opening insulation film covers a substrate and is in contact with a side surface of a gate electrode. The opening insulation film is provided with a first opening portion having a side surface on the gate electrode. A gate insulation film made of an oxide insulator is on the gate electrode and the opening insulation film. A semiconductor channel film made of an oxide semiconductor is on the gate insulation film and is encompassed by the first opening portion. Source and drain electrodes are on the semiconductor channel film. A source upper-layer electrode and a drain upper-layer electrode both made of an oxide are provided at least on upper surfaces of the source electrode and the drain electrode, respectively. An interlayer insulation film made of an oxide has a portion provided on the source upper-layer electrode and the drain upper-layer electrode and is in contact the semiconductor channel film.Type: ApplicationFiled: March 8, 2019Publication date: September 26, 2019Applicant: Mitsubishi Electric CorporationInventors: Kazunori INOUE, Koji ODA, Takafumi HASHIGUCHI, Takeshi KUBOTA
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Patent number: 10409128Abstract: A plurality of pixel electrodes disposed in a matrix are electrically connected with a plurality of first thin film transistors, respectively. Coloring layers in a plurality of colors overlap, in a plan view, with two or more pixel electrodes adjacent to each other in one direction among the plurality of pixel electrodes. Channel layers of the first thin film transistors are covered from above by a coloring laminated body including end parts of the respective coloring layers in at least two colors among the coloring layers in a plurality of colors, the end parts overlapping with each other in the plan view.Type: GrantFiled: November 17, 2017Date of Patent: September 10, 2019Assignee: Mitsubishi Electric CorporationInventors: Kazunori Inoue, Takaharu Konomi, Takeshi Kubota, Toshiaki Fujino
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Publication number: 20190225908Abstract: Provided are: a metalworking oil composition having excellent workability and rust inhibiting performance, which is prepared by blending (A) at least one carboxylate selected from a polyhydric alcohol ester of a monocarboxylic acid and a monohydric alcohol ester of a polycarboxylic acid, (B) a phosphorus-containing compound, and (C) a rust inhibitor, wherein the monocarboxylic acid has 9 or more and 21 or less carbon atoms, and the content of the carboxylate is 0.6% by mass or more based on the total amount of the composition; and a metalworking method using the composition.Type: ApplicationFiled: August 24, 2017Publication date: July 25, 2019Applicants: IDEMITSU KOSAN CO., LTD., HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD., NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Naoki NAGASE, Hideo SUGII, Keiji NOMA, Seikichi KITABATAKE, Isao NOGUCHI, Takeshi KUBOTA, Shuichi YAMAZAKI, Eisuke MINEMATSU
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Publication number: 20190194629Abstract: Provided is a microorganism that is capable of efficiently producing para-aminobenzoic acid (4-ABA) or a salt thereof, using saccharides as raw materials, and a method for efficiently producing 4-ABA or a salt thereof by using this microorganism. A transformant obtained by introducing, into a coryneform bacterium, a gene that encodes 4-amino-4-deoxychorismate lyase, a gene that encodes a para-aminobenzoate synthase component I, and a gene that encodes a para-aminobenzoate synthase component II, is capable of efficiently producing 4-ABA or a salt thereof from saccharides.Type: ApplicationFiled: February 24, 2017Publication date: June 27, 2019Applicants: RESEARCH INSTITUTE OF INNOVATIVE TECHNOLOGY FOR THE EARTH, SUMITOMO BAKELITE CO., LTD.Inventors: Masayuki INUI, Kazumi HIRAGA, Masako SUDA, Takeshi KUBOTA
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Publication number: 20190179952Abstract: A method, executed by one or more processors, includes receiving a first bit sequence corresponding to source data having a source encoding bit-length (BLS), generating one or more additional bit sequences by shifting the first bit sequence by shift lengths that are equal to a multiple of the source encoding bit-length, partitioning the first bit sequence and the one or more additional bit sequences according to a target encoding bit-length (BLT) to provide a plurality of target encoding search patterns, and searching a target character string encoded with the target encoding using the plurality of target encoding search patterns. A computer system and computer program product corresponding to the above method are also disclosed herein.Type: ApplicationFiled: December 11, 2017Publication date: June 13, 2019Inventors: Takahide Nogayama, Daisuke Mogi, Takeshi Kubota, Hideki Inomata, Yu Ito
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Publication number: 20190172848Abstract: A first gate insulating layer and a protective insulating layer are made of silicon nitride. A second gate insulating layer is provided on gate electrodes via a first gate insulating layer. A first intersecting layer is provided on gate lines via a first gate insulating layer. A channel layer has the same shape as the second gate insulating layer. A second intersecting layer is provided on and has the same shape as the first intersecting layer. Source lines intersect with the gate lines on the second intersecting layer. The first gate insulating layer and the protective insulating layer have gate contact holes. The protective insulating layer has source contact holes. The second gate insulating layer, the channel layer, and the first and second intersecting layers are made of oxide and have a common species of elements and a common crystal structure.Type: ApplicationFiled: November 27, 2018Publication date: June 6, 2019Applicant: Mitsubishi Electric CorporationInventors: Kazunori INOUE, Takeshi KUBOTA
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Patent number: 10029286Abstract: A wiper is made up of an attachment member to be attached to a machine tool, a wiper body formed integrally with the attachment member, a bent-shaped lip support part made of an elastic material and disposed at a lower end of the wiper body, and a lip part connected to the wiper body with the lip support part interposed therebetween. A lip front end portion of the lip part, a tip of which comes into contact with a sliding surface of the machine tool, is made of an elastic material containing an additive material for reinforcement.Type: GrantFiled: December 25, 2014Date of Patent: July 24, 2018Assignee: NITTA CORPORATIONInventors: Tomohisa Shimada, Yoshihiro Konishi, Takeshi Kubota, Yoshiyuki Yamamoto, Yukio Teraguchi
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Publication number: 20180143474Abstract: A plurality of pixel electrodes disposed in a matrix are electrically connected with a plurality of first thin film transistors, respectively. Coloring layers in a plurality of colors overlap, in a plan view, with two or more pixel electrodes adjacent to each other in one direction among the plurality of pixel electrodes. Channel layers of the first thin film transistors are covered from above by a coloring laminated body including end parts of the respective coloring layers in at least two colors among the coloring layers in a plurality of colors, the end parts overlapping with each other in the plan view.Type: ApplicationFiled: November 17, 2017Publication date: May 24, 2018Applicant: Mitsubishi Electric CorporationInventors: Kazunori INOUE, Takaharu KONOMI, Takeshi KUBOTA, Toshiaki FUJINO
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Patent number: 9934894Abstract: A manufacturing method of a non-oriented electrical steel sheet includes: performing finish annealing of a cold-rolled steel strip; and forming a tension-applying type insulating film of not less than 1 g/m2 and not more than 6 g/m2 on a surface of the cold-rolled steel strip. The performing the finish annealing includes forming an oxide layer containing Al2O3 or (Al, Cr)2O3 and having a thickness of not less than 0.01 ?m and not more than 0.5 ?m on the surface of the cold-rolled steel strip with setting a temperature of the cold-rolled steel strip to not lower than 800° C. and not higher than 1100° C. in an atmosphere where when the total content of Si and Al of the cold-rolled steel strip is represented as X (mass %), a partial pressure ratio of water vapor to hydrogen is equal to or less than 0.005×X2.Type: GrantFiled: October 15, 2015Date of Patent: April 3, 2018Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Shuichi Yamazaki, Takeshi Kubota, Yousuke Kurosaki, Masahiro Fujikura, Takahide Shimazu
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Patent number: 9637812Abstract: A non-oriented electrical steel sheet contains 2.8 mass % or more and 4.0 mass % or less of Si, 0.2 mass % or more and 3.0 mass % or less of Al, and 0.02 mass % or more and 0.2 mass % or less of P. The non-oriented electrical steel sheet contains further contains 0.5 mass % or more in total of at least one kinds selected from a group consisting of 4.0 mass % or less of Ni and 2.0 mass % or less of Mn. A C content is 0.05 mass % or less, a N content is 0.01 mass % or less, an average grain diameter is 15 ?m or less, and a <111> axial density is 6 or larger.Type: GrantFiled: October 11, 2013Date of Patent: May 2, 2017Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventor: Takeshi Kubota
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Patent number: 9595376Abstract: A non-oriented electrical steel sheet comprising, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, wherein Expression (1) is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]: [Ti]?0.8×[Bi]+0.002 . . . (1).Type: GrantFiled: June 16, 2015Date of Patent: March 14, 2017Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Masafumi Miyazaki, Hideaki Yamamura, Takeshi Kubota, Yousuke Kurosaki, Kazuto Kawakami, Kazumi Mizukami, Takeaki Wakisaka
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Patent number: 9579701Abstract: A steel having a predetermined composition is hot-rolled so as to form a steel strip, the steel strip is subjected to first cold-rolling, the steel strip is subjected to intermediate annealing, the steel strip is subjected to second cold-rolling, and the steel strip is subjected to finish annealing. A finish temperature in the hot-rolling is 900° C. or less, annealing is not performed between the hot-rolling and the first cold-rolling, and a rolling reduction in the second cold-rolling is not less than 40% nor more than 85%.Type: GrantFiled: July 29, 2011Date of Patent: February 28, 2017Assignee: Nippon Steel & Sumitomo Metal CorporationInventors: Takeshi Kubota, Masahiro Fujikura