Patents by Inventor Mai Ito
Mai Ito 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: 20240124963Abstract: An objective of the present invention is to provide a steel sheet having a high strength which can provide excellent appearance quality. The steel sheet has a chemical composition including, in mass %, C: more than 0.030% to 0.145%, Si: 0% to 0.500%, Mn: 0.50% to 2.50%, P: 0% to 0.100%, S: 0% to 0.020%, Al: 0% to 1.000% or less, N: 0% to 0.0100%, and the like, wherein a metal micro-structures consisting of 70 to 95% of ferrite in volume fraction and 5 to 30% of hard phases in volume fraction, and a value X1 obtained by dividing a standard deviation of average Mn concentrations in a rolling direction at ¼ sheet-thickness positions in a sheet thickness direction by an average Mn concentration at the ¼ sheet-thickness positions is 0.025 or less.Type: ApplicationFiled: February 25, 2022Publication date: April 18, 2024Applicant: NIPPON STEEL CORPORATIONInventors: Satoshi HIRONAKA, Mai NAGANO, Yasuhiro ITO, Takuya TAKAYAMA
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Patent number: 11904562Abstract: A tire vulcanization mold includes a molding surface for molding a tire during vulcanization molding. The molding surface can include a first region in which a plurality of recesses for forming a plurality of projections on a surface of the tire can be provided. In the first region, at least two of the recesses can be arranged per mm2. Each of the recesses can include a side wall surface, a bottom surface, and a virtual recess central axis extending in a depth direction of the recess. In a cross-sectional view of the recess including the recess central axis, the bottom surface can include a bottom projection projecting outward in the depth direction, and the side wall surface can include an arc-shaped surface smoothly connected to the bottom surface.Type: GrantFiled: July 25, 2022Date of Patent: February 20, 2024Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tomohiro Hamada, Takayuki Wada, Mai Ito
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Publication number: 20230063536Abstract: A tire vulcanization mold includes a molding surface for molding a tire during vulcanization molding. The molding surface can include a first region in which a plurality of recesses for forming a plurality of projections on a surface of the tire can be provided. In the first region, at least two of the recesses can be arranged per mm2. Each of the recesses can include a side wall surface, a bottom surface, and a virtual recess central axis extending in a depth direction of the recess. In a cross-sectional view of the recess including the recess central axis, the bottom surface can include a bottom projection projecting outward in the depth direction, and the side wall surface can include an arc-shaped surface smoothly connected to the bottom surface.Type: ApplicationFiled: July 25, 2022Publication date: March 2, 2023Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Tomohiro HAMADA, Takayuki WADA, Mai ITO
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Patent number: 9615580Abstract: Disclosed is a compound represented by formula (1): wherein A1 represents N(O)p or CH; A2 represents N(O)q; R1 represents a trifluoromethyl group, a halogen atom or a hydrogen atom; R2 represents a C1-C3 perfluoroalkyl group, p represents 0 or 1; q represents 0 or 1; n represents 0, 1 or 2; and m represents 0, 1 or 2, having an excellent controlling effect on pests.Type: GrantFiled: December 26, 2013Date of Patent: April 11, 2017Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Masaki Takahashi, Takamasa Tanabe, Mai Ito, Atsushi Iwata, Yoshihiko Nokura
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Patent number: 9573963Abstract: A fused heterocyclic compound represented by formula (1) or an N-oxide thereof has an excellent control effect on pests: wherein A1 represents N or the like, A2 represents NR6 or the like, A3 represents CR12 or the like, R1 represents a C1 to C6 chain hydrocarbon group or the like, R2, R4 and R5 are the same or different and represent a C1 to C3 alkyl group optionally having one or more halogen atoms or the like, R3 represents a C1 to C6 chain hydrocarbon group or the like, R6 represents a C1 to C6 chain hydrocarbon group or the like, any one set of R9 and R10, R10 and R11, and R11 and R12 in R9, R10, R11 and R12, together with the carbon atoms to which they are bound, forms a ring, and n represents 0, 1 or 2.Type: GrantFiled: February 19, 2014Date of Patent: February 21, 2017Assignee: Sumitomo Chemical Company, LimitedInventors: Takamasa Tanabe, Mai Ito, Chie Shimizu, Yoshihiko Nokura
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Patent number: 9403771Abstract: There is provided a compound having an excellent controlling effect on pests represented by the formula (1): wherein, A1 represents —NR7—, etc., A2 represents a nitrogen atom, etc., A3 represents a nitrogen atom, etc., R1 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R2, R3 and R4 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more halogen atoms, etc., R5 and R6 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R7 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group W, etc., n represents 0, 1 or 2, or an N-oxide thereof.Type: GrantFiled: February 11, 2016Date of Patent: August 2, 2016Assignee: Sumitomo Chemical Company, LimitedInventors: Masaki Takahashi, Takamasa Tanabe, Mai Ito, Yoshihiko Nokura
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Patent number: 9364000Abstract: Fused heterocyclic compounds of formula (1): (G1 and G2 represent a nitrogen atom or the like, A1 and A2 represent a nitrogen atom or the like, A3 represents —NR8— or the like, A4 and A5 represent a nitrogen atom or the like, R1 represents a C1-C6 chain hydrocarbon group or the like optionally having one or more atoms or groups selected from a group X, R2 and R3 are the same or different and represent a C1-C6 chain hydrocarbon group or the like optionally having one or more atoms or groups selected from the group X, R8 represents a C1-C6 chain hydrocarbon group or the like optionally having one or more atoms or groups selected from a group W, and n represents 0, 1 or 2), or N-oxides thereof are described. The disclosed compounds are very effective for pest control.Type: GrantFiled: September 10, 2015Date of Patent: June 14, 2016Assignee: Sumitomo Chemical Company, LimitedInventors: Masaki Takahashi, Mai Ito, Yoshihiko Nokura, Takamasa Tanabe, Chie Shimizu
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Publication number: 20160159743Abstract: There is provided a compound having an excellent controlling effect on pests represented by the formula (1): wherein, A1 represents —NR7—, etc., A2 represents a nitrogen atom, etc., A3 represents a nitrogen atom, etc., R1 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R2, R3 and R4 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more halogen atoms, etc., R5 and R6 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R7 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group W, etc., n represents 0, 1 or 2, or an N-oxide thereof.Type: ApplicationFiled: February 11, 2016Publication date: June 9, 2016Inventors: Masaki TAKAHASHI, Takamasa TANABE, Mai ITO, Yoshihiko NOKURA
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Patent number: 9353110Abstract: There is provided a compound having an excellent controlling effect on pests represented by the formula (1): wherein, A1 represents —NR7—, etc., A2 represents a nitrogen atom, etc., A3 represents a nitrogen atom, etc., R1 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R2, R3 and R4 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more halogen atoms, etc., R5 and R6 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R7 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group W, etc., n represents 0, 1 or 2, or an N-oxide thereof.Type: GrantFiled: July 17, 2015Date of Patent: May 31, 2016Assignee: Sumitomo Chemical Company, LimitedInventors: Masaki Takahashi, Takamasa Tanabe, Mai Ito, Yoshihiko Nokura
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Patent number: 9328121Abstract: The fused heterocyclic compound represented by formula (1) has excellent effectiveness in pest control. In the formula (1), J represents formula J1, J2, J3, J4, J5 or J6; A1; A2; A3; A4; A5; B1; B2; B4; B5; and B6 each represent a nitrogen atom, etc.; B3 represents NR15, etc.; R1 represents a C1-C6 chain hydrocarbon group, etc., optionally substituted with one or more atoms or groups selected from group X; the pairs R2 and R3 and R5 and R6 are the same or different, and represent a C1-C6 chain hydrocarbon group, etc., optionally substituted with one or more atoms or groups selected from group X; R4 represents a C1-C6 chain hydrocarbon group, etc., optionally substituted with one or more atoms or groups selected from group W; and n represents 0, 1, or 2.Type: GrantFiled: December 17, 2015Date of Patent: May 3, 2016Assignee: Sumitomo Chemical Company, LimitedInventors: Masaki Takahashi, Mai Ito, Yoshihiko Nokura, Takamasa Tanabe, Chie Shimizu
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Publication number: 20160102100Abstract: The fused heterocyclic compound represented by formula (1) has excellent effectiveness in pest control. In the formula (1), J represents formula J1, J2, J3, J4, J5 or J6; A1; A2; A3; A4; A5; B1; B2; B4; B5; and B6 each represent a nitrogen atom, etc.; B3 represents NR15, etc.; R1 represents a C1-C6 chain hydrocarbon group, etc., optionally substituted with one or more atoms or groups selected from group X; the pairs R2 and R3 and R5 and R6 are the same or different, and represent a C1-C6 chain hydrocarbon group, etc., optionally substituted with one or more atoms or groups selected from group X; R4 represents a C1-C6 chain hydrocarbon group, etc., optionally substituted with one or more atoms or groups selected from group W; and n represents 0, 1, or 2.Type: ApplicationFiled: December 17, 2015Publication date: April 14, 2016Inventors: Masaki TAKAHASHI, Mai ITO, Yoshihiko NOKURA, Takamasa TANABE, Chie SHIMIZU
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Patent number: 9278983Abstract: A fused heterocyclic compound the formula (1): wherein A1 represents —NR8—, and the like; A2 represents a nitrogen atom, and the like; A3 represents a nitrogen atom, and the like; R1 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R2, R3, R4, and R5 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more halogen atoms, and the like; R6 and R7 are same or different and represent independently a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group X, and the like; R8 represents a C1-C6 chain hydrocarbon group optionally having one or more atoms or groups selected from Group W, and the like; n represents 0, 1 or 2. The compound has an excellent activity of controlling pests.Type: GrantFiled: August 21, 2014Date of Patent: March 8, 2016Assignee: Sumitomo Chemical Company, LimitedInventors: Hayato Takyo, Masaki Takahashi, Takamasa Tanabe, Yoshihiko Nokura, Mai Ito, Atsushi Iwata
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Patent number: 9271500Abstract: The fused heterocyclic compound represented by formula (1), or an N-oxide thereof, has excellent effectiveness in pest control. In the formula G1 represents a nitrogen atom, etc.; G2 represents a nitrogen atom, etc.; A1 represents a nitrogen atom, etc.; A2 represents a nitrogen atom, etc.; A3 represents a nitrogen atom, etc.; A4 represents a nitrogen atom, etc.; A5 represents a nitrogen atom, etc.; R1 represents a C1-C6 chain hydrocarbon group, etc., optionally having one or more atoms or groups selected from group X; R2, R3 and R4 are the same or different, and represent a C1-C6 chain hydrocarbon group, etc., optionally having one or more atoms or groups selected from group X; R5 and R6 are the same or different, and represent a C1-C6 chain hydrocarbon group, etc., optionally having one or more atoms or groups selected from group X; and n represents 0, 1, 2.Type: GrantFiled: June 10, 2013Date of Patent: March 1, 2016Assignee: Sumitomo Chemical Company, LimitedInventors: Masaki Takahashi, Mai Ito, Yoshihiko Nokura, Takamasa Tanabe, Chie Shimizu
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Patent number: 9260436Abstract: The fused heterocyclic compound represented by formula (1) has excellent effectiveness in pest control. In the formula (1), J represents formula J1, J2, J3, J4, J5 or J6; A1; A2; A3; A4; A5; B1; B2; B4; B5; and B6 each represent a nitrogen atom, etc.; B3 represents NR5, etc.; R1 represents a C1-C6 chain hydrocarbon group, etc., optionally having one or more atoms or groups selected from group X; the pairs R2 and R3 and R5 and R6 are the same or different, and represent a C1-C6 chain hydrocarbon group, etc., optionally having one or more atoms or groups selected from group X; R4 represents a C1-C6 chain hydrocarbon group, etc., optionally having one or more atoms or groups selected from group W; and n represents 0, 1, or 2.Type: GrantFiled: June 10, 2013Date of Patent: February 16, 2016Assignee: Sumitomo Chemical Company, LimitedInventors: Masaki Takahashi, Mai Ito, Yoshihiko Nokura, Takamasa Tanabe, Chie Shimizu
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Publication number: 20160009715Abstract: There is provided a compound having an excellent controlling effect on pests represented by the formula (1): wherein, A1 represents —NR7—, etc., A2 represents a nitrogen atom, etc., A3 represents a nitrogen atom, etc., R1 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R2, R3 and R4 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more halogen atoms, etc., R5 and R6 are the same or different and each represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group X, etc., R7 represents a C1-C6 chain hydrocarbon group optionally substituted by one or more atoms or groups selected from Group W, etc., n represents 0, 1 or 2, or an N-oxide thereof.Type: ApplicationFiled: July 17, 2015Publication date: January 14, 2016Inventors: Masaki TAKAHASHI, Takamasa TANABE, Mai ITO, Yoshihiko NOKURA
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Publication number: 20160002260Abstract: A fused heterocyclic compound represented by formula (1) or an N-oxide thereof has an excellent control effect on pests: wherein A1 represents N or the like, A2 represents NR6 or the like, A3 represents CR12 or the like, R1 represents a C1 to C6 chain hydrocarbon group or the like, R2, R4 and R5 are the same or different and represent a C1 to C3 alkyl group optionally having one or more halogen atoms or the like, R3 represents a C1 to C6 chain hydrocarbon group or the like, R6 represents a C1 to C6 chain hydrocarbon group or the like, any one set of R9 and R10, R10 and R11, and R11 and R12 in R9, R10, R11 and R12, together with the carbon atoms to which they are bound, forms a ring, and n represents 0, 1 or 2.Type: ApplicationFiled: February 19, 2014Publication date: January 7, 2016Inventors: Takamasa TANABE, Mai ITO, Chie SHIMIZU, Yoshihiko NOKURA
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Publication number: 20150373982Abstract: Fused heterocyclic compounds of formula (1): (G1 and G2 represent a nitrogen atom or the like, A1 and A2 represent a nitrogen atom or the like, A3 represents —NR8— or the like, A4 and A5 represent a nitrogen atom or the like, R1 represents a C1-C6 chain hydrocarbon group or the like optionally having one or more atoms or groups selected from a group X, R2 and R3 are the same or different and represent a C1-C6 chain hydrocarbon group or the like optionally having one or more atoms or groups selected from the group X, R8 represents a C1-C6 chain hydrocarbon group or the like optionally having one or more atoms or groups selected from a group W, and n represents 0, 1 or 2), or N-oxides thereof are described. The disclosed compounds are very effective for pest control.Type: ApplicationFiled: September 10, 2015Publication date: December 31, 2015Inventors: Masaki TAKAHASHI, Mai ITO, Yoshihiko NOKURA, Takamasa TANABE, Chie SHIMIZU
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Patent number: 9193964Abstract: The present invention provides, as an enzyme which can be used for enzyme replacement therapy for Fabry disease, a protein having ?-galactosidase activity, which shows no allergic adverse side effect, shows a high stability in blood, and can be easily incorporated into a cell of an affected organ. The protein of the present invention is a protein which has acquired ?-galactosidase activity by changing the structure of the active site of wild-type human ?-N-acetylgalactosaminidase.Type: GrantFiled: January 23, 2014Date of Patent: November 24, 2015Assignees: TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE, ALTIF LABORATORIESInventors: Hitoshi Sakuraba, Youichi Tajima, Mai Ito, Seiichi Aikawa, Fumiko Aikawa
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Publication number: 20150313234Abstract: Disclosed is a compound represented by formula (1): wherein A1 represents N(O)p or CH; A2 represents N(O)q; R1 represents a trifluoromethyl group, a halogen atom or a hydrogen atom; R2 represents a C1-C3 perfluoroalkyl group, p represents 0 or 1; q represents 0 or 1; n represents 0, 1 or 2; and m represents 0, 1 or 2, having an excellent controlling effect on pests.Type: ApplicationFiled: December 26, 2013Publication date: November 5, 2015Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Masaki TAKAHASHI, Takamasa TANABE, Mai ITO, Atsushi IWATA, Yoshihiko NOKURA
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Patent number: 9156838Abstract: This fused heterocyclic compound represented in formula (1) has excellent effectiveness in pest control. In the formula, A1 represents —NR4—, etc.; A2 represents a nitrogen atom, etc.; R1 represents an ethyl group, a cyclopropyl group, or a cyclopropylmethyl group; R2 represents —S(O)mR6 or —C(R7)(CF3)2; R4 represents a C1-C6 alkyl group optionally having one or more halogen atoms; R6 represents a C1-C6 haloalkyl group; R7 represents a fluorine atom or a chlorine atom, and m and n each represents 0, 1 or 2.Type: GrantFiled: June 12, 2013Date of Patent: October 13, 2015Assignee: Sumitomo Chemical Company, LimitedInventors: Masaki Takahashi, Takamasa Tanabe, Mai Ito, Chie Shimizu, Yoshihiko Nokura