Patents by Inventor Takao Yoshimoto
Takao Yoshimoto 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: 20240333053Abstract: A rotor includes a rotor core formed of core sheets, and permanent magnets. Each of magnetic poles of the rotor includes one of the permanent magnets and one of outer core portions of the rotor core. Each of the outer core portions of the rotor core is constituted of outer core portions of the core sheets which are laminated together. Moreover, each of the outer core portions of the rotor core is supported by a plurality of bridge portions which include an outer peripheral bridge portion located at one of a pair of radially outer ends of a corresponding magnet-receiving hole. Furthermore, each of the outer core portions of the rotor core includes, at least, those outer core portions of the core sheets each of which is supported by a single bridge piece of the core sheet; the single bridge piece constitutes a piece of the outer peripheral bridge portion.Type: ApplicationFiled: June 10, 2024Publication date: October 3, 2024Applicant: DENSO CORPORATIONInventor: Takao YOSHIMOTO
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Patent number: 11518838Abstract: An object is to provide a resin composition having excellent performance as a binder such as adhesiveness and, at the same time, retaining solution properties favorably even after a solution is stored for a long period of time. A modified polyolefin resin composition includes a modified polyolefin resin (C), in which the modified polyolefin resin (C) is a resin made by modifying a polymer (A) that is a polymer (a) of a polyolefin resin or a chlorinated polyolefin resin and an ?,?-unsaturated carboxylic acid derivative having a structure derived from at least one carboxy group or a chlorinated product (b) thereof with a modification component including an alcohol (B); and a residual ratio of the structure derived from at least one carboxy group in the modified polyolefin resin (C) is 50% or more and 80% or less.Type: GrantFiled: October 23, 2018Date of Patent: December 6, 2022Assignee: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Masaru Kono, Takao Yoshimoto, Takato Takenaka, Minoru Yada, Naosuke Komoto
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Patent number: 11518872Abstract: An object is to provide a chlorinated polyolefin resin composition being superior in adhesion, solution stability, and chipping resistance. The chlorinated polyolefin resin composition contains a component (A): a polyolefin resin A having a melting point (TmA) obtained with a differential scanning calorimeter (DSC) in the range of 90 to 160° C., and a component (B): a polyolefin resin B having a melting point (TmB) obtained with a differential scanning calorimeter (DSC) in the range of 50 to 130° C., at least any one of the component (A) and the component (B), or a copolymer thereof being a chlorinated polyolefin resin (where |TmA?TmB|?5° C.).Type: GrantFiled: March 12, 2018Date of Patent: December 6, 2022Assignee: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Masaru Kono, Kensuke Asai, Takao Yoshimoto, Takato Takenaka, Minoru Yada, Naosuke Komoto
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Publication number: 20220186014Abstract: An object is to provide a dispersion resin composition which can maintain dispersion stability even if the added amount of an emulsifier is reduced. Provided is a dispersion resin composition including, at least: a modified polyolefin resin in which a modification component containing an ?,?-unsaturated carboxylic acid derivative with a ring structure has been introduced to a polyolefin resin; and an aqueous dispersion medium, wherein the modified polyolefin resin has a degree of ring opening, represented by the equation (1), of 70 or more: degree of ring opening=modification degree K×rate of ring opening R ??(1) (in the equation (1), the modification degree K represents a containing rate (% by weight) of the ?,?-unsaturated carboxylic acid derivative relative to the polyolefin resin, and the rate of ring opening R represents a rate of ring opening (%) of the ring structure in the ?,?-unsaturated carboxylic acid derivative).Type: ApplicationFiled: March 10, 2020Publication date: June 16, 2022Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Shunji SEKIGUCHI, Ryuji DOI, Fumiyasu SAKAKIBARA, Takao YOSHIMOTO, Ryo KOIKE
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Publication number: 20210221926Abstract: A modified polyolefin resin is described. The modified polyolefin resin can enhance a cleaning property upon cleaning inside of a coating machine with a cleaning solvent including water, and is excellent in a balance between heat resistance and solution stability. The modified polyolefin resin is a polyolefin resin that is modified with an ?,?-unsaturated carboxylic acid or a derivative thereof and with an amino alcohol having a primary or a secondary amino group.Type: ApplicationFiled: May 30, 2019Publication date: July 22, 2021Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Fumiyasu SAKAKIBARA, Ryuji DOI, Kei KONDO, Takao YOSHIMOTO, Chiaki HIRAOKA, Shunji SEKIGUCHI, Isamu ONO, Koji KIMURA, Takato TAKENAKA, Naosuke KOMOTO
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Publication number: 20210070911Abstract: An object is to provide a resin composition having excellent performance as a binder such as adhesiveness and, at the same time, retaining solution properties favorably even after a solution is stored for a long period of time. A modified polyolefin resin composition includes a modified polyolefin resin (C), in which the modified polyolefin resin (C) is a resin made by modifying a polymer (A) that is a polymer (a) of a polyolefin resin or a chlorinated polyolefin resin and an ?,?-unsaturated carboxylic acid derivative having a structure derived from at least one carboxy group or a chlorinated product (b) thereof with a modification component including an alcohol (B); and a residual ratio of the structure derived from at least one carboxy group in the modified polyolefin resin (C) is 50% or more and 80% or less.Type: ApplicationFiled: October 23, 2018Publication date: March 11, 2021Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Masaru KONO, Takao YOSHIMOTO, Takato TAKENAKA, Minoru YADA, Naosuke KOMOTO
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Publication number: 20200385557Abstract: An object is to provide a chlorinated polyolefin resin composition being superior in adhesion, solution stability, and chipping resistance. The chlorinated polyolefin resin composition contains a component (A): a polyolefin resin A having a melting point (TmA) obtained with a differential scanning calorimeter (DSC) in the range of 90 to 160° C., and a component (B): a polyolefin resin B having a melting point (TmB) obtained with a differential scanning calorimeter (DSC) in the range of 50 to 130° C., at least any one of the component (A) and the component (B), or a copolymer thereof being a chlorinated polyolefin resin (where |TmA?TmB|?5° C.).Type: ApplicationFiled: March 12, 2018Publication date: December 10, 2020Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Masaru KONO, Kensuke ASAI, Takao YOSHIMOTO, Takato TAKENAKA, Minoru YADA, Naosuke KOMOTO
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Patent number: 10710555Abstract: A wiper blade extends in the longitudinal direction and includes blade rubber, a plate spring-like backing, and a rubber holder. The blade rubber wipes a surface to be wiped. The backing imparts rigidity and elasticity to the blade rubber. The rubber holder holds both the longitudinally intermediate section of the blade rubber and the longitudinally intermediate section of the backing. The rubber holder has a backing housing hole for housing and retaining the backing. The backing housing hole longitudinally extends through the rubber holder. A parting line is set at the longitudinal center of the backing housing hole.Type: GrantFiled: April 20, 2017Date of Patent: July 14, 2020Assignee: Denso CorporationInventors: Takao Yoshimoto, Masahiro Oota
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Patent number: 10099657Abstract: A wiper blade includes blade rubber, a holder body, and a clip. The clip is pivotally connected to the holder body. The clip has an elastic piece and an engagement protrusion. The engagement protrusion engages with an engagement hole provided in a wiper arm. The elastic piece section has a long piece section, a turned-back section, a first bending axis, and a second bending axis. The long piece section extends through a position to a side of the engagement protrusion. The turned-back section extends so as to change the direction of the long piece section in order to connect the front end of the long piece section to the engagement protrusion. The first bending axis and the second bending axis extend so that the engagement protrusion is located between the first bending axis and the second bending axis.Type: GrantFiled: June 11, 2014Date of Patent: October 16, 2018Assignees: Denso Corporation, Nippon Wiper Blades Co., Ltd.Inventors: Isao Ohta, Takao Yoshimoto, Masahiro Ohta
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Patent number: 9981636Abstract: A wiper blade extends in a longitudinal direction and includes a blade rubber, a plate spring-like backing, and a rubber holder. The blade rubber wipes a wiped surface. The backing adds rigidity and elasticity to the blade rubber. The rubber holder holds an intermediate portion of the blade rubber in the longitudinal direction and an intermediate portion of the backing in the longitudinal direction. The rubber holder includes a backing accommodation slot that accommodates and holds the backing. The backing accommodation slot extends through the rubber holder in the longitudinal direction. The parting line is set in a middle section of the backing accommodation slot in the longitudinal direction.Type: GrantFiled: June 30, 2014Date of Patent: May 29, 2018Assignee: ASMO CO., LTD.Inventors: Takao Yoshimoto, Masahiro Oota
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Patent number: 9932017Abstract: A vehicle wiper comprises a retainer that is formed in an elongated shape open at the lower side facing toward a windshield, and that is provided so as to be capable of swinging about a shaft axis of a pivot shaft that is swung to-and-fro; a first nozzle member that is housed inside the retainer, and that is capable of ejecting washer fluid from an ejection portion; and 1 a retainer cover member that closes off an opening of the retainer, and that is formed with a window through which the ejection portion of the first nozzle member is externally exposed.Type: GrantFiled: October 30, 2015Date of Patent: April 3, 2018Assignee: ASMO CO., LTD.Inventors: Keita Uchiyama, Yoshiyuki Uchino, Kouichi Hirao, Takao Yoshimoto, Akio Shimizu
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Publication number: 20170217408Abstract: A wiper blade extends in the longitudinal direction and includes blade rubber, a plate spring-like backing, and a rubber holder. The blade rubber wipes a surface to be wiped. The backing imparts rigidity and elasticity to the blade rubber. The rubber holder holds both the longitudinally intermediate section of the blade rubber and the longitudinally intermediate section of the backing. The rubber holder has a backing housing hole for housing and retaining the backing. The backing housing hole longitudinally extends through the rubber holder. A parting line is set at the longitudinal center of the backing housing hole.Type: ApplicationFiled: April 20, 2017Publication date: August 3, 2017Inventors: Takao YOSHIMOTO, Masahiro OOTA
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Patent number: 9458267Abstract: It is an object of the present invention to provide a chlorinated polyolefin resin having favorable adhesion to a polyolefin resin and high solubility in a composition containing an alcohol-based solvent. The present invention provides a chlorinated polyolefin resin that exhibits, in infrared spectroscopy spectrum measurement, a peak area ratio A/B×100 of 10% or higher, a peak area ratio C/B×100 of 30 to 80%, and a peak area ratio A/C×100 of 30% or higher (wherein “A” is the area of a peak resulting from hydroxyl groups, “B” is the area of a peak resulting from methylene groups, and “C” is the area of a peak resulting from carbonyl groups). The present invention also provides an ink composition for gravure printing or flexography that contains the chlorinated polyolefin resin, a printed material obtained using the above composition, and a printing method using the above composition.Type: GrantFiled: March 19, 2014Date of Patent: October 4, 2016Assignee: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Isamu Ono, Yuu Kitamura, Takao Yoshimoto, Masanori Tanaka, Shunji Sekiguchi
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Publication number: 20160264101Abstract: A wiper blade includes blade rubber, a holder body, and a clip. The clip is pivotally connected to the holder body. The clip has an elastic piece and an engagement protrusion. The engagement protrusion engages with an engagement hole provided in a wiper arm. The elastic piece section has a long piece section, a turned-back section, a first bending axis, and a second bending axis. The long piece section extends through a position to a side of the engagement protrusion. The turned-back section extends so as to change the direction of the long piece section in order to connect the front end of the long piece section to the engagement protrusion. The first bending axis and the second bending axis extend so that the engagement protrusion is located between the first bending axis and the second bending axis.Type: ApplicationFiled: June 11, 2014Publication date: September 15, 2016Applicants: ASMO CO., LTD., NIPPON WIPER BLADE CO., LTD.Inventors: Isao OHTA, Takao YOSHIMOTO, Masahiro OHTA
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Publication number: 20160121853Abstract: A vehicle wiper comprises a retainer that is formed in an elongated shape open at the lower side facing toward a windshield, and that is provided so as to be capable of swinging about a shaft axis of a pivot shaft that is swung to-and-fro; a first nozzle member that is housed inside the retainer, and that is capable of ejecting washer fluid from an ejection portion; and 1 a retainer cover member that closes off an opening of the retainer, and that is formed with a window through which the ejection portion of the first nozzle member is externally exposed.Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Inventors: Keita UCHIYAMA, Yoshiyuki UCHINO, Kouichi HIRAO, Takao YOSHIMOTO, Akio SHIMIZU
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Publication number: 20160046741Abstract: It is an object of the present invention to provide a chlorinated polyolefin resin having favorable adhesion to a polyolefin resin and high solubility in a composition containing an alcohol-based solvent. The present invention provides a chlorinated polyolefin resin that exhibits, in infrared spectroscopy spectrum measurement, a peak area ratio A/B×100 of 10% or higher, a peak area ratio C/B×100 of 30 to 80%, and a peak area ratio A/C×100 of 30% or higher (wherein “A” is the area of a peak resulting from hydroxyl groups, “B” is the area of a peak resulting from methylene groups, and “C” is the area of a peak resulting from carbonyl groups). The present invention also provides an ink composition for gravure printing or flexography that contains the chlorinated polyolefin resin, a printed material obtained using the above composition, and a printing method using the above composition.Type: ApplicationFiled: March 19, 2014Publication date: February 18, 2016Applicant: NIPPON PAPER INDUSTRIES CO., LTD.Inventors: Isamu ONO, Yuu KITAMURA, Takao YOSHIMOTO, Masanori TANAKA, Shunji SEKIGUCHI
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Publication number: 20160001745Abstract: A wiper blade extends in a longitudinal direction and includes a blade rubber, a plate spring-like backing, and a rubber holder. The blade rubber wipes a wiped surface. The backing adds rigidity and elasticity to the blade rubber. The rubber holder holds an intermediate portion of the blade rubber in the longitudinal direction and an intermediate portion of the backing in the longitudinal direction. The rubber holder includes a backing accommodation slot that accommodates and holds the backing. The backing accommodation slot extends through the rubber holder in the longitudinal direction. The parting line is set in a middle section of the backing accommodation slot in the longitudinal direction.Type: ApplicationFiled: June 30, 2014Publication date: January 7, 2016Inventors: Takao YOSHIMOTO, Masahiro OOTA
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Patent number: 9174610Abstract: A wiper blade includes a wiper strip, a backing, a blade holder coupled to the wiper arm, and two opposed cases arranged at two longitudinal ends of the blade holder. The blade holder includes a blade holding portion, which surrounds a base portion of the wiper strip and the backing at a longitudinally central portion of the wiper strip and the backing. The blade holding portion restricts movement of the wiper strip and the backing in a direction orthogonal to the longitudinal direction. Each case includes a case holding portion that surrounds the base portion of the wiper strip and the backing. The case holding portion restricts movement of the wiper strip and the backing in a direction orthogonal to the longitudinal direction.Type: GrantFiled: September 12, 2012Date of Patent: November 3, 2015Assignee: ASMO Co., Ltd.Inventors: Takao Yoshimoto, Naoki Torii, Masahiro Oota, Masahiro Kitamura
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Patent number: 9073518Abstract: A wiper for a vehicle includes an elongated wiper strip, a backing extending in the longitudinal direction of the wiper strip, and a blade holder for holding the wiper strip and the backing. The blade holder includes a pair of side surfaces that face in opposite directions. The wiper also includes a coupling member and a wiper arm. The coupling member has a pair of side walls, which face the corresponding side surfaces, and is attached to the blade holder. The wiper arm has a distal coupling portion attached to the coupling member. When the distal coupling portion is attached to the coupling member, side cover walls of the distal coupling portion are each engaged with the corresponding side wall of the coupling member.Type: GrantFiled: September 12, 2012Date of Patent: July 7, 2015Assignee: Asmo Co., Ltd.Inventors: Takao Yoshimoto, Naoki Torii, Masahiro Oota, Masahiro Kitamura
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Patent number: 9032586Abstract: A wiper blade assembly which includes a blade, at least one backing which is fitted into an attachment groove of the blade, and an elongated holder member which is interconnected to the blade.Type: GrantFiled: October 27, 2011Date of Patent: May 19, 2015Assignee: Asmo Co., Ltd.Inventors: Takao Yoshimoto, Naoki Torii