Patents by Inventor Hirokazu Takahashi
Hirokazu Takahashi 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: 20200209326Abstract: A magnetic sensor device includes a magnetic sensor detecting a detection-target magnetic field, and a soft magnetic structure near the sensor. In an orthogonal coordinate system having two orthogonal axes for representing an applied field strength and a magnetization-corresponding value, coordinates representing the applied field strength and the magnetization-corresponding value move along a minor loop not in contact with a major loop as the strength of an external magnetic field including the detection-target magnetic field varies within a variable range, where the applied field strength is a strength of a magnetic field applied to the soft magnetic structure, the magnetization-corresponding value is a value corresponding to magnetization of the soft magnetic structure, and the major loop is, among loops traced by a path of the coordinates as the applied field strength is varied, a loop that is the largest in terms of area of the region enclosed by the loop.Type: ApplicationFiled: November 26, 2019Publication date: July 2, 2020Applicant: TDK CORPORATIONInventors: Kazuya WATANABE, Hirokazu TAKAHASHI
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Patent number: 10698043Abstract: A triaxial magnetic sensor that can detect with high precision magnetic fields in three axial directions comprises a substrate having a first surface and a second surface opposite the first surface, and a magnetic sensor element group provided on the first surface. The magnetic sensor element group includes a first magnetic sensor element for magnetic detection in the x-axis direction, a second magnetic sensor element for magnetic detection in the y-axis direction and a third magnetic sensor element for magnetic detection in the z-axis direction. The first through third magnetic sensor elements respectively contain first through third magneto-resistive effect elements composed of laminated bodies including at least a magnetization fixed layer and a free layer, and the magnetization direction of each of the magnetization fixed layers of the first through third magneto-resistive elements is fixed in a direction inclined at a prescribed angle with respect to the first surface.Type: GrantFiled: September 26, 2017Date of Patent: June 30, 2020Assignee: TDK CorporationInventors: Naoki Ohta, Hirokazu Takahashi, Satoshi Miura
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Patent number: 10665375Abstract: The present disclosure is directed to a spin current magnetization rotational element, a spin-orbit-torque magnetoresistance effect element, a magnetic memory, and a high-frequency magnetic element which can efficiently generate a pure spin current and reduce a reversal current density. The spin current magnetization rotational element includes: a spin-orbit torque wiring extending in a first direction; and a first ferromagnetic layer laminated in a second direction which intersects the first direction, wherein the spin-orbit torque wiring includes at least one rare gas element of Ar, Kr, and Xe.Type: GrantFiled: August 29, 2018Date of Patent: May 26, 2020Assignee: TDK CORPORATIONInventors: Minoru Ota, Tomoyuki Sasaki, Hirokazu Takahashi
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Publication number: 20200130253Abstract: A method for forming an uncured rubber component, the method includes conveying an uncured extruded rubber strip extruded continuously from an extruder using a conveyor, the conveyor including a first conveyor and a second conveyor located at a downstream side of the first conveyor in a convey direction, the step of conveying including shrinking the uncured extruded rubber strip, wherein the step of shrinking is such that the uncured extruded rubber strip, in a relaxed state of a U-shaped manner, passes through fluid held in a tank between the first conveyor and the second conveyor without being restrained so that the uncured extruded rubber strip shrinks freely while receiving buoyancy from the fluid, and cutting the uncured extruded rubber strip in a predetermined length to form an uncured rubber component, after the step of shrinking.Type: ApplicationFiled: October 2, 2019Publication date: April 30, 2020Applicant: Sumitomo Rubber Industries, Ltd.Inventor: Hirokazu TAKAHASHI
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Patent number: 10520196Abstract: The present invention provides a multi-can type gas turbine combustor including a plurality of combustors that mix and burn fuel and the air, the combustors being connected by a crossfire tube assembly. The gas turbine cools the crossfire tube assembly without lowering the temperature of a combustion exhaust gas passing through the crossfire tube assembly and prevents thermal deformation and fire damage of the crossfire tube assembly. In a gas turbine according to the present invention, a guide ring that guides a current of the air is provided in a position opposed to air holes. One side end portion of an annular space configured between the guide ring and a crossfire tube assembly is opened to a space on the inside of the crossfire tube assembly. The other end portion is a closed end connected to a partition wall configuring the crossfire tube assembly. The length of an annular space between the air holes and the closed end is set to three times or more as large as the diameter of the air holes.Type: GrantFiled: August 8, 2017Date of Patent: December 31, 2019Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Hirofumi Okazaki, Hirokazu Takahashi
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Publication number: 20190371645Abstract: Provided is a component-manufacturing film that includes a first region S1 and a second region S2 disposed so as to surround the region S1; the region S1 is formed of a base layer and an adhesive layer provided on one surface side of the base layer; the region S2 is formed of the base layer, the adhesive layer, and an additional layer affixed onto the layer. In the temperature range of 190° C. or lower, a tensile elastic modulus of the additional layer is equal to or greater than the tensile elastic modulus of the base layer. Further provided are a component-manufacturing tool and method, the latter including a component fixing step; a film placement step of performing placement so that the boundary between the region S1 and the region S2 is located inside with respect to an edge of the chuck table; a chucking step; and a heating step.Type: ApplicationFiled: January 26, 2018Publication date: December 5, 2019Applicant: Mitsui Chemicals Tohcello, Inc.Inventors: Eiji HAYASHISHITA, Hirokazu TAKAHASHI, Kazuhide FUKURA
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Patent number: 10495313Abstract: A fuel nozzle for gas turbine combustor of the present invention includes a diffusion combustion burner including a diffusion fuel nozzle, a premixing combustion burner including a premixing fuel nozzle, an end flange to which the diffusion combustion burner and the premixing combustion burner are mechanically joined, and a diffusion combustion burner support which fixes the diffusion combustion burner to the end flange and is mounted around the premixing fuel nozzle in a manner to cover a root portion of the premixing fuel nozzle, the root portion being a junction between the premixing fuel nozzle and the end flange. An outside diameter of the premixing fuel nozzle longitudinally varies in a manner to progressively increase toward the junction. A maximum diameter of the root portion of the premixing fuel nozzle is greater than an inside diameter of a hole formed in the diffusion combustion burner support.Type: GrantFiled: June 21, 2016Date of Patent: December 3, 2019Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Yoshihide Wadayama, Satoshi Kumagai, Yasuhiro Wada, Hirokazu Takahashi
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Patent number: 10405749Abstract: This invention provides compounds, compositions and methods for modulating the expression of human p21 using RNA interference. The RNA interference molecules can be used in methods for preventing or treating diseases such as malignant tumor. A nucleic acid molecule can have a) a polynucleotide sense strand and a polynucleotide antisense strand; b) each strand of the molecule being from 15 to 30 nucleotides in length; c) a contiguous region of from 15 to 30 nucleotides of the antisense strand being complementary to a sequence of an mRNA encoding p21; and d) at least a portion of the sense strand can be complementary to at least a portion of the antisense strand, and the molecule has a duplex region of from 15 to 30 nucleotides in length.Type: GrantFiled: December 28, 2015Date of Patent: September 10, 2019Assignee: Nitto Denko CorporationInventors: Kenjirou Minomi, Jens Harborth, Cima Cina, Kwok Yin Tsang, Wenbin Ying, Hirokazu Takahashi
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Patent number: 10401031Abstract: A combustor is capable of ignition and flame propagation at low fuel concentrations for gas or liquid fuel. Combustors are disposed annularly along an outer peripheral portion of a casing of a turbine. A combustion chamber burns fuel and air to generate a combustion gas. A diffusion burner is disposed upstream of the combustion chamber; and a plurality of premix burners are disposed around the diffusion burner. Cross fire tubes provide communication between combustion chambers of combustors adjacent to each other. A cross fire tube connected to a combustor adjacent to a first side in the circumferential direction of the casing is disposed so as to have a central axis passing over a premix burner as viewed from the combustion chamber and another cross fire tube connected to the combustor adjacent to a second side is disposed so as to have a central axis passing between two premix burners.Type: GrantFiled: July 23, 2015Date of Patent: September 3, 2019Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Yoshitaka Hirata, Tatsuya Sekiguchi, Tomoki Uruno, Akinori Hayashi, Hirokazu Takahashi
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Patent number: 10342968Abstract: The present invention verifies a method of reducing skin irritation (particularly, cumulative skin irritation) caused by transdermal administration of a local anesthetic using iontophoresis, and provides an electrode pad for relief from a puncture pain which is safe not only at single administration but also at repeated administrations. The electrode pad comprises a base sheet; an electrode placed on the base sheet; an adhesive sheet placed on the base sheet and having an opening, within which the electrode being exposed; and a medicament reservoir containing a local anesthetic and placed in the opening of the adhesive sheet while being in contact with the electrode. An inner peripheral surface of the opening of the adhesive sheet and an outer peripheral surface of the medicament reservoir are prevented from coming into contact with human skin while contacting with each other, and thereby skin irritation is reduced.Type: GrantFiled: December 21, 2011Date of Patent: July 9, 2019Assignee: TEIKOKU SEIYAKU CO., LTD.Inventors: Akihiro Hasui, Atsuhiko Shiraishi, Ken-ichi Hattori, Shinji Tanaka, Hirokazu Takahashi, Makoto Takahashi
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Publication number: 20190137106Abstract: In a gas turbine combustor, a sectional shape in a radial direction of either one of an inner peripheral surface of a second inner tube member and an outer peripheral surface of a first inner tube member, in a fitting portion of a crossfire tube assembly, has a plurality of small-curvature portions having a curvature smaller than a reference curvature, the reference curvature being a curvature of a portion at a maximum distance from the center of the sectional shape. This configuration ensures the crossfire tube assembly is cooled, and the Possibility of thermal deformation or fire damage is lowered, without lowering the temperature of a combustion exhaust gas passing through the crossfire tube assembly of the gas turbine combustor.Type: ApplicationFiled: November 7, 2018Publication date: May 9, 2019Inventors: Hirofumi OKAZAKI, Tomomi KOGANEZAWA, Hirokazu TAKAHASHI
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Publication number: 20190088395Abstract: The present disclosure is directed to a spin current magnetization rotational element, a spin-orbit-torque magnetoresistance effect element, a magnetic memory, and a high-frequency magnetic element which can efficiently generate a pure spin current and reduce a reversal current density. The spin current magnetization rotational element includes: a spin-orbit torque wiring extending in a first direction; and a first ferromagnetic layer laminated in a second direction which intersects the first direction, wherein the spin-orbit torque wiring includes at least one rare gas element of Ar, Kr, and Xe.Type: ApplicationFiled: August 29, 2018Publication date: March 21, 2019Applicant: TDK CORPORATIONInventors: Minoru OTA, Tomoyuki SASAKI, Hirokazu TAKAHASHI
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Publication number: 20180369274Abstract: This invention provides compounds, compositions and methods for modulating the expression of human GST-? using RNA interference. The RNA interference molecules can be used in methods for preventing or treating diseases such as malignant tumor. Provided are a range of siRNA structures, having one or more of nucleotides being modified or chemically-modified. Advantageous structures include siRNAs with 2?-deoxy nucleotides located in the seed region, as well as other nucleotide modifications.Type: ApplicationFiled: August 12, 2018Publication date: December 27, 2018Inventors: Kenjirou Minomi, Hirokazu Takahashi, Erika Terada, Jens Harborth, Jun Zhang, Mohammad Ahmadian, Wenbin Ying
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Patent number: 10121497Abstract: A magnetic recording head has a main magnetic pole that generates a recording magnetic field applied on a magnetic recording medium from an end surface that is one portion of an air bearing surface facing the magnetic recording medium; a trailing shield provided on the trailing side of the main magnetic pole with a write gap interposed therebetween; and a spin torque oscillator that is provided in the write gap to be interposed between the main magnetic pole and the trailing shield and that generates a magnetic field that exerts an interaction on the recording magnetic field applied on the magnetic recording medium.Type: GrantFiled: October 12, 2017Date of Patent: November 6, 2018Assignee: TDK CoporationInventors: Hirokazu Takahashi, Zhengyao Tang, Tetsuya Roppongi, Shinji Hara
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Publication number: 20180292472Abstract: A magneto-resistive effect element includes a magnetization free layer, an intermediate layer, and a magnetization pinned layer. The magnetization free layer extends along a first plane. The intermediate layer extends along the first plane, and is stacked on the magnetization free layer. The magnetization pinned layer extends along the first plane, and is provided on side opposite to the magnetization free layer with the intermediate layer being interposed therebetween. Here, the magnetization free layer includes an end surface that has a maximum inclination angle of 42° or less relative to the first plane.Type: ApplicationFiled: February 28, 2018Publication date: October 11, 2018Applicant: TDK CORPORATIONInventors: Kenzo MAKINO, Suguru WATANABE, Yasushi NISHIOKA, Hirokazu TAKAHASHI
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Patent number: 10094567Abstract: A dual-fuel burning gas turbine combustor having a diffusive combustion burner to burn a liquid fuel and a gaseous fuel placed at the axis of the gas turbine combustor and a plurality of pre-mixing combustion burners to burn a liquid fuel and a gaseous fuel placed on an outer circumferential side of the diffusive combustion burner, each pre-mixing combustion burner having a liquid fuel nozzle, a plurality of gaseous fuel spray holes, a plurality of air holes, and a pre-mixing chamber to mix gaseous fuel and air, wherein each pre-mixing combustion burner has a double pipe sleeve at a connected portion between end cover and the pre-mixing combustion burner, and the double pipe sleeve has an inner sleeve having a gaseous fuel flow path, an outer sleeve positioned on an outer circumferential side of the inner sleeve, and a circular spacing formed between the inner sleeve and the outer sleeve.Type: GrantFiled: August 18, 2014Date of Patent: October 9, 2018Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Shota Igarashi, Hirokazu Takahashi
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Patent number: 10093923Abstract: Provided herein are compositions, methods and kits for modulating expression of target genes, particularly heat shock protein 47 (hsp47). The compositions, methods and kits may include nucleic acid molecules (for example, short interfering nucleic acid (siNA), short interfering RNA (siRNA), double-stranded RNA (dsRNA), micro-RNA (miRNA) or short hairpin RNA (shRNA)) that modulate a gene encoding hsp47, for example, the gene encoding human hsp47. The composition and methods disclosed herein may also be used in treating conditions and disorders associated with hsp47 such as liver fibrosis, pulmonary fibrosis, peritoneal fibrosis and kidney fibrosis.Type: GrantFiled: October 27, 2015Date of Patent: October 9, 2018Assignee: NITTO DENKO CORPORATIONInventors: Xiaomei Jin, Lei Yu, Hirokazu Takahashi, Yasunobu Tanaka, Yoshiro Niitsu, Elena Feinstein, Sharon Avkin-Nachum, Hagar Kalinski, Igor Mett, Shai Erlich, Elizabeth C Squiers, Ning Chen
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Publication number: 20180275609Abstract: A timepiece part includes: a substrate; and a first coating configured from a material containing cobalt as a primary component, and 26 mass % to 30 mass % of Cr, and 5 mass % to 7 mass % of Mo. The first coating has an average signal intensity of oxygen of 0 counts/sec to 150 counts/sec as measured by SIMS relative to a 1.0 ?m-thick reference film of a composition containing Co: 62.8 mass %, Cr: 28.2 mass %, Mo: 6.0 mass %, C: 1.5 mass %, and Ar: 1.5 mass %.Type: ApplicationFiled: March 16, 2018Publication date: September 27, 2018Applicant: Seiko Epson CorporationInventors: Tomohiko SOGO, Hirokazu TAKAHASHI, Yuzuru TSUKAMOTO, Atsushi KAWAKAMI
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Publication number: 20180267476Abstract: A timepiece part according to the invention includes: a substrate; and a first coating configured from a material containing cobalt as a primary component, and 26 mass % to 30 mass % of Cr, and 5 mass % to 7 mass % of Mo. The first coating has a surface with a percentage surface area increase of 0% to 1.2% as measured by atomic force microscopy against a reference flat surface.Type: ApplicationFiled: March 12, 2018Publication date: September 20, 2018Inventors: Tomohiko SOGO, Yuzuru TSUKAMOTO, Atsushi KAWAKAMI, Hirokazu TAKAHASHI
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Patent number: 10047110Abstract: This invention provides compounds, compositions and methods for modulating the expression of human GST-? using RNA interference. The RNA interference molecules can be used in methods for preventing or treating diseases such as malignant tumor. A nucleic acid molecule can have a) a polynucleotide sense strand and a polynucleotide antisense strand; b) each strand of the molecule being from 15 to 30 nucleotides in length; c) a contiguous region of from 15 to 30 nucleotides of the antisense strand being complementary to a sequence of an mRNA encoding GST-?; and d) at least a portion of the sense strand can be complementary to at least a portion of the antisense strand, and the molecule has a duplex region of from 15 to 30 nucleotides in length.Type: GrantFiled: December 28, 2015Date of Patent: August 14, 2018Assignee: Nitto Denko CorporationInventors: Kenjirou Minomi, Hirokazu Takahashi, Erika Terada, Jens Harborth, Jun Zhang, Mohammad Ahmadian, Wenbin Ying