Patents by Inventor Masaaki Ito
Masaaki 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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Patent number: 10892076Abstract: A rare earth magnet includes a main phase, a grain boundary phase present around the main phase and an intermediate phase interposed between the main phase and the grain boundary phase, and has an overall composition that is represented by the formula ((Ce(1-x)Lax)(1-y)R1y)pT(100-p-q-r)BqM1r?(R21-zM2z)s (where, R1 and R2 are rare earth elements other than Ce and La, T is at least one selected from among Fe, Ni, and Co, M1 is an element having a small amount that does not influence magnetic characteristics, and M2 is an alloy element for which a melting point of R21-zM2z is lower than a melting point of R2). A total concentration of Ce and La is higher in the main phase than in the intermediate phase, and a concentration of R2 is higher in the intermediate phase than in the main phase.Type: GrantFiled: December 5, 2017Date of Patent: January 12, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaaki Ito, Noritsugu Sakuma, Tetsuya Shoji, Hidefumi Kishimoto, Masao Yano
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Publication number: 20200308009Abstract: The present invention provides a means capable of suppressing the formation of fine particles in a method for producing a silica sol.Type: ApplicationFiled: March 13, 2020Publication date: October 1, 2020Applicant: FUJIMI INCORPORATEDInventors: Yusuke KAWASAKI, Shogo TSUBOTA, Masaaki ITO, Jun SHINODA, Keiji ASHITAKA
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Publication number: 20200308010Abstract: A method for manufacturing a silica sol according to an embodiment of the present invention includes: a step of preparing a silica sol reaction liquid by hydrolyzing and polycondensing an alkoxysilane or a condensate thereof using an alkali catalyst in a solvent; and at least one of a step of concentrating the silica sol reaction liquid by an ultrasonic atomization separation method and a step of replacing the silica sol reaction liquid with water by the ultrasonic atomization separation method.Type: ApplicationFiled: March 13, 2020Publication date: October 1, 2020Applicant: FUJIMI INCORPORATEDInventors: Masaaki ITO, Jun SHINODA, Keiji ASHITAKA
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Patent number: 10779450Abstract: A thermally conductive composition is provided, which has a base material; and at least one of a permittivity adjusting filler having a lower permittivity than the base material and a high permeability filler having a higher permeability than the base material. The entire thermally conductive composition has a relative permeability higher than 1 and a relative permittivity of 7 or lower.Type: GrantFiled: July 11, 2019Date of Patent: September 15, 2020Assignees: Kitagawa Industries Co., Ltd., Seiko Epson CorporationInventors: Toru Matsuzaki, Yasuhiro Kawaguchi, Masahiro Saito, Kensuke Mitsuya, Masaaki Ito, Toshiyuki Omori
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Patent number: 10759781Abstract: The present invention provides a compound of general formula (I) (wherein, R1, X, p and q are as described in the present description and claims), or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing that compound.Type: GrantFiled: August 5, 2016Date of Patent: September 1, 2020Assignee: UBE INDUSTRIES, LTD.Inventors: Ken-ichi Komori, Akishi Ninomiya, Shigeru Ushiyama, Masaru Shinohara, Koji Ito, Tetsuo Kawaguchi, Yasunori Tokunaga, Hiroyoshi Kawada, Haruka Yamada, Yusuke Shiraishi, Masahiro Kojima, Masaaki Ito, Tomio Kimura
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Patent number: 10748684Abstract: To provide a rare earth magnet ensuring excellent magnetic anisotropy while reducing the amount of Nd, etc., and a manufacturing method thereof. A rare earth magnet comprising a crystal grain having an overall composition of (R2(1-x)R1x)yFe100-y-w-z-vCowBzTMv (wherein R2 is at least one of Nd, Pr, Dy and Tb, R1 is an alloy of at least one or two or more of Ce, La, Gd, Y and Sc, TM is at least one of Ga, Al, Cu, Au, Ag, Zn, In and Mn, 0<x<1, y=12 to 20, z=5.6 to 6.5, w=0 to 8, and v=0 to 2), wherein the average grain size of the crystal grain is 1,000 nm or less, the crystal grain consists of a core and an outer shell, the core has a composition of R1 that is richer than R2, and the outer shell has a composition of R2 that is richer than R1.Type: GrantFiled: August 6, 2019Date of Patent: August 18, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaaki Ito, Masao Yano, Hidefumi Kishimoto, Noritsugu Sakuma, Tetsuya Shoji, Akira Manabe
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Publication number: 20200180968Abstract: [Problem] Provided is a method for producing a silica sol capable of providing consistent production of the silica sol having a uniform particle size of silica particles in any particle size of the silica particles. [Solution] A method for producing a silica sol is a method including a step of mixing liquid (A) containing an alkaline catalyst, water, and a first organic solvent with liquid (B) containing an alkoxysilane or its condensate and a second organic solvent, and liquid (C1) having a pH of 5.0 or higher and lower than 8.0 and containing water or liquid (C2) containing water and being free of an alkaline catalyst to make a reaction liquid.Type: ApplicationFiled: February 12, 2020Publication date: June 11, 2020Applicant: FUJIMI INCORPORATEDInventors: Keiji ASHITAKA, Masaaki ITO, Jun SHINODA
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Patent number: 10660194Abstract: A heat conducting member includes: a magnetic substance-containing layer containing a magnetic substance, the magnetic substance being oriented along a predetermined orientation direction; and a metal-containing layer containing a metal body including a surface crossing the orientation direction of the magnetic substance.Type: GrantFiled: September 6, 2018Date of Patent: May 19, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Masaaki Ito
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Publication number: 20200137870Abstract: A printed circuit board includes a printed wiring board having a mounting surface facing a first side, an electronic element provided on the mounting surface, a heat dissipation member disposed on the first side with respect to the electronic element, and a heat conduction member disposed between the electronic element and the heat dissipation member and having a first surface facing the first side and a second surface facing a second side opposite to the first side. The heat conduction member has a high relative magnetic permeability portion and a low relative dielectric constant portion. The high relative magnetic permeability portion surrounds the low relative dielectric constant portion on at least the second surface of the heat conduction member. At least part of the low relative dielectric constant portion overlaps the electronic element in a plan view seen in a direction perpendicular to the mounting surface.Type: ApplicationFiled: October 21, 2019Publication date: April 30, 2020Applicants: SEIKO EPSON CORPORATION, KITAGAWA INDUSTRIES CO., LTD.Inventors: Masaaki ITO, Toshiyuki OMORI, Toru MATSUZAKI, Yasuhiro KAWAGUCHI, Masahiro SAITO, Kensuke MITSUYA
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Patent number: 10631397Abstract: A printed circuit board includes a printed wiring board having a mounting surface facing a first side, an electronic element provided on the mounting surface, a heat dissipation member disposed on the first side with respect to the electronic element, and a heat conduction member disposed between the electronic element and the heat dissipation member and having a first surface facing the first side and a second surface facing a second side opposite to the first side. The heat conduction member has a high relative magnetic permeability portion and a low relative dielectric constant portion. The high relative magnetic permeability portion surrounds the low relative dielectric constant portion on at least the second surface of the heat conduction member. At least part of the low relative dielectric constant portion overlaps the electronic element in a plan view seen in a direction perpendicular to the mounting surface.Type: GrantFiled: October 21, 2019Date of Patent: April 21, 2020Assignees: SEIKO EPSON CORPORATION, KITAGAWA INDUSTRIES CO., LTD.Inventors: Masaaki Ito, Toshiyuki Omori, Toru Matsuzaki, Yasuhiro Kawaguchi, Masahiro Saito, Kensuke Mitsuya
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Patent number: 10604411Abstract: [Problem] Provided is a method for producing a silica sol capable of providing consistent production of the silica sol having a uniform particle size of silica particles in any particle size of the silica particles. [Solution] A method for producing a silica sol is a method including a step of mixing liquid (A) containing an alkaline catalyst, water, and a first organic solvent with liquid (B) containing an alkoxysilane or its condensate and a second organic solvent, and liquid (C1) having a pH of 5.0 or higher and lower than 8.0 and containing water or liquid (C2) containing water and being free of an alkaline catalyst to make a reaction liquid.Type: GrantFiled: July 25, 2016Date of Patent: March 31, 2020Assignee: FUJIMI INCORPORATEDInventors: Keiji Ashitaka, Masaaki Ito, Jun Shinoda
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Patent number: 10597375Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.Type: GrantFiled: May 8, 2018Date of Patent: March 24, 2020Assignee: UBE INDUSTRIES, LTD.Inventors: Noriaki Iwase, Hiroshi Nishida, Makoto Okudo, Masaaki Ito, Shigeyuki Kono, Masaaki Matoyama, Shigeru Ushiyama, Eiji Okanari, Hirofumi Matsunaga, Kenji Nishikawa, Tomio Kimura
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Publication number: 20200036322Abstract: To provide a motor control method ensuring that dragging loss at the time of high rotation can be reduced. A motor control method, wherein a composite permanent magnet has a core part and a shell part, the Curie temperature of one of the core part and the shell part is Tc1 K, and the Curie temperature of another is Tc2 K, and wherein when the magnitude of the reluctance torque is equal to or greater than the magnitude of the magnet torque, the temperature of the composite permanent magnet is set at Ts K that is (Tc1?100) K or higher and lower than Tc2 K and when the magnitude of the reluctance torque is less than the magnitude of the magnetic torque, the temperature of the composite permanent magnet is set at lower than the temperature Ts K or Tc1 K, whichever is lower.Type: ApplicationFiled: July 2, 2019Publication date: January 30, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Noritsugu SAKUMA, Masao YANO, Masaaki ITO, Tetsuya SHOJI, Hidefumi KISHIMOTO, Akira KATO
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Publication number: 20200022291Abstract: A thermally conductive composition is provided, which comprises: a base material; and at least one of a permittivity adjusting filler having a lower permittivity than the base material and a high permeability filler having a higher permeability than the base material. The entire thermally conductive composition has a relative permeability higher than 1 and a relative permittivity of 7 or lower.Type: ApplicationFiled: July 11, 2019Publication date: January 16, 2020Inventors: Toru MATSUZAKI, Yasuhiro KAWAGUCHI, Masahiro SAITO, Kensuke MITSUYA, Masaaki ITO, Toshiyuki OMORI
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Publication number: 20200022259Abstract: A thermally conductive composition is provided, which comprises a base material, and a high magnetic permeability filler having a magnetic permeability higher than that of the base material. The thermally conductive composition further comprises an air region inside, and has a relative magnetic permeability higher than 1, and a relative dielectric constant of 7 or lower.Type: ApplicationFiled: July 11, 2019Publication date: January 16, 2020Inventors: Kensuke MITSUYA, Yasuhiro KAWAGUCHI, Masahiro SAITO, Toru MATSUZAKI, Masaaki ITO, Toshiyuki OMORI
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Publication number: 20190362870Abstract: To provide a rare earth magnet ensuring excellent magnetic anisotropy while reducing the amount of Nd, etc., and a manufacturing method thereof. A rare earth magnet comprising a crystal grain having an overall composition of (R2(1-x)R1x)yFe100-y-w-z-vCowBzTMv (wherein R2 is at least one of Nd, Pr, Dy and Tb, R1 is an alloy of at least one or two or more of Ce, La, Gd, Y and Sc, TM is at least one of Ga, Al, Cu, Au, Ag, Zn, In and Mn, 0<x<1, y=12 to 20, z=5.6 to 6.5, w=0 to 8, and v=0 to 2), wherein the average grain size of the crystal grain is 1,000 nm or less, the crystal grain consists of a core and an outer shell, the core has a composition of R1 that is richer than R2, and the outer shell has a composition of R2 that is richer than R1.Type: ApplicationFiled: August 6, 2019Publication date: November 28, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaaki ITO, Masao YANO, Hidefumi KISHIMOTO, Noritsugu SAKUMA, Tetsuya SHOJI, Akira MANABE
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Publication number: 20190337962Abstract: The present invention provides a compound of general formula (I) (wherein X is as described in the present description and claims), or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing that compound.Type: ApplicationFiled: December 27, 2017Publication date: November 7, 2019Applicant: UBE INDUSTRIES, LTD.Inventors: Ken-ichi KOMORI, Akishi NINOMIYA, Shigeru USHIYAMA, Masaru SHINOHARA, Koji ITO, Tetsuo KAWAGUCHI, Yasunori TOKUNAGA, Hiroyoshi KAWADA, Haruka YAMADA, Yusuke SHIRAISHI, Masahiro KOJIMA, Masaaki ITO, Tomio KIMURA
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Patent number: 10468165Abstract: To provide a rare earth magnet ensuring excellent magnetic anisotropy while reducing the amount of Nd, etc., and a manufacturing method thereof. A rare earth magnet comprising a crystal grain having an overall composition of (R2(1-x)R1x)yFe100-y-w-z-vCowBzTMv (wherein R2 is at least one of Nd, Pr, Dy and Tb, R1 is an alloy of at least one or two or more of Ce, La, Gd, Y and Sc, TM is at least one of Ga, Al, Cu, Au, Ag, Zn, In and Mn, 0<x<1, y=12 to 20, z=5.6 to 6.5, w=0 to 8, and v=0 to 2), wherein the average grain size of the crystal grain is 1,000 nm or less, the crystal grain consists of a core and an outer shell, the core has a composition of R1 that is richer than R2, and the outer shell has a composition of R2 that is richer than R1.Type: GrantFiled: June 5, 2014Date of Patent: November 5, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaaki Ito, Masao Yano, Hidefumi Kishimoto, Noritsugu Sakuma, Tetsuya Shoji, Akira Manabe
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Patent number: 10424426Abstract: To provide a rare earth magnet ensuring excellent magnetic anisotropy while reducing the amount of Nd, etc., and a manufacturing method thereof. A rare earth magnet comprising a crystal grain having an overall composition of (R2(1-x)R1x)yFe100-y-w-z-vCowBzTMv (wherein R2 is at least one of Nd, Pr, Dy and Tb, R1 is an alloy of at least one or two or more of Ce, La, Gd, Y and Sc, TM is at least one of Ga, Al, Cu, Au, Ag, Zn, In and Mn, 0<x<1, y=12 to 20, z=5.6 to 6.5, w=0 to 8, and v=0 to 2), wherein the average grain size of the crystal grain is 1,000 nm or less, the crystal grain consists of a core and an outer shell, the core has a composition of R1 that is richer than R2, and the outer shell has a composition of R2 that is richer than R1.Type: GrantFiled: June 5, 2014Date of Patent: September 24, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaaki Ito, Masao Yano, Hidefumi Kishimoto, Noritsugu Sakuma, Tetsuya Shoji, Akira Manabe
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Patent number: 10390422Abstract: A printed circuit board includes a plurality of metal layers, a plurality of insulating layers provided between the respective metal layers of the plurality of metal layers, and an electronic device provided on one metal layer of the plurality of metal layers. The plurality of metal layers include a first outer metal layer and a second outer metal layer located on the outermost side of the plurality of metal layers and a plurality of intermediate metal layers located between the first outer metal layer and the second outer metal layer. At least one of the plurality of intermediate metal layers is a thick metal layer thicker than the first outer metal layer and the second outer metal layer. The thick metal layer is connected to one of a ground terminal of the electronic device and a power supply terminal of the electronic device.Type: GrantFiled: March 7, 2018Date of Patent: August 20, 2019Assignee: SEIKO EPSON CORPORATIONInventor: Masaaki Ito