Patents by Inventor Takao Ikeda
Takao Ikeda 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: 20240117984Abstract: Provided is an air conditioner including an indoor unit provided with a microphone element for receiving voice instructions, such that a voice instruction spoken by an operator is acquired with high quality and control based on the voice instruction spoken by the operator is likely to be ensured. The air conditioner includes an indoor unit, a transmission unit, and a reception unit. The indoor unit has a main body and a microphone element. The main body has formed therein a blow-out port through which air-conditioned air is blown out toward a space to be air-conditioned. The microphone element accepts a voice instruction captured from a voice capturing portion arranged at a position that deviates from a ventilation space through which the air blown out from the blow-out port flows, in such a manner as to face the space to be air-conditioned. The transmission unit transmits the voice instruction accepted by the microphone element to an outside as a signal.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Kousuke TSUBOI, Takao SONODA, Makoto IKEDA, Tetsushi TSUDA, Yu OTA, Yuuichi KITA, Kenji AMANO, Atsushi MATSUBARA, Tomomi KUKITA, Naoko KURIYAMA, Tomoyoshi ASHIKAGA, Gen KUMAMOTO
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Publication number: 20240084715Abstract: A turbine includes a turbine wheel, a housing having a flow path for a gas, a variable geometry device to guide the gas from the flow path to the turbine wheel, and a biasing member. The variable geometry device includes one or more nozzle vane member, each having a nozzle vane, a nozzle shaft and a nozzle link plate. The biasing member is in contact with the nozzle link plate of the nozzle vane member, to urge the nozzle vane member against a contact surface of the turbine.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Inventors: Kenichi SEGAWA, Hayato SHIBAYAMA, Takao ASAKAWA, Kengo IKEDA, Naotoshi SHIMIZU, Taiki YOSHIZAKI, Ryosuke MIYAO
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Patent number: 11105693Abstract: A torque sensor includes a first region, a second region, a plurality of third regions connecting the first and second regions, a first strain generation part and a second strain generation part. The first strain generation part of which a first end is provided on the first region, and of which a first intermediate portion is provided on a second structure. The second strain generation part of which a third end is provided on the first region, of which a second intermediate portion is provided on the second region, and of which a fourth end is provided near a second end of the first strain generation part. A strain body provided with a resistor connects the second end of the first strain generation part and the fourth end of the second strain generation part.Type: GrantFiled: April 25, 2019Date of Patent: August 31, 2021Assignee: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi Suzuki, Takao Ikeda, Takashi Kanai, Takayuki Endo
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Patent number: 11085839Abstract: Provided is a torque sensor which enables the allowable torque and sensitivity of a strain sensor to be independently set, or for which the mechanical strength can be independently set. The torque sensor comprises a first region, a second region, and a plurality of third regions which connect the first and second regions, wherein the torque to be measured is transmitted between the first and second regions through the third regions. A first strain generation part is provided between the first region and the second region, and is equipped with a first resistor. A second strain generation part is provided between the first region and the second region at a location separated from the first strain generation part, and is equipped with a second resistor.Type: GrantFiled: April 24, 2019Date of Patent: August 10, 2021Assignee: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi Suzuki, Takao Ikeda
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Patent number: 11041557Abstract: This speed reducer with an electric motor has: a hollow shaft; a casing fixed to the hollow shaft; a fixed part that is relatively stationary with respect to the casing; an electric motor; a speed reduction mechanism; an output part; and a torque sensor that is connected to the casing and the fixed part. The torque sensor has an elastically deformable strain body that has an annular outer ring and an annular inner ring and a plurality of strain sensors. The outer ring and the inner ring are respectively located at an end portion on the radial outside and the radial inside of the torque sensor and is connected to one of the casing and the fixed part. Each of the plurality of strain sensors is at least partially located in a radial direction between the outer ring and the inner ring.Type: GrantFiled: February 15, 2018Date of Patent: June 22, 2021Assignees: NIDEC-SHIMPO CORPORATION, NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi Koroyasu, Tomoyuki Otsuka, Takuro Yonemura, Takao Ikeda
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Patent number: 10976208Abstract: In a force sensor, a cylindrical movable body can be moved with respect to a cylindrical main body. A strain body is fixed to the main body and the movable body, and can be deformed in accordance with the movement of the movable body. Strain sensors are provided on the strain body. At least three circular openings are provided in the circumferential surface of the movable body at equal intervals. Stoppers are respectively arranged inside the openings, and each of which includes a first side surface having a first outer diameter smaller than an inner diameter of the opening, and a second side surface having a second outer diameter smaller than the first outer diameter. Fixing members fix the stoppers to the main body.Type: GrantFiled: March 6, 2019Date of Patent: April 13, 2021Assignee: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi Suzuki, Takao Ikeda
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Patent number: 10955309Abstract: The torque sensor of the present embodiments comprises a first structure to be coupled to an object to be measured, a second structure, a first bridge circuit including a plurality of first strain sensors configured to detect force to be transmitted between the first structure and the second structure, a second bridge circuit including a plurality of second strain sensors configured to detect force to be transmitted between the first structure and the second structure, and a controller configured to output a signal indicating an abnormality when a difference between a first output voltage of the first bridge circuit and a second output voltage of the second bridge circuit is greater than a first threshold voltage.Type: GrantFiled: June 25, 2019Date of Patent: March 23, 2021Assignee: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi Suzuki, Takao Ikeda, Takayuki Endo
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Publication number: 20200003256Abstract: This speed reducer with an electric motor has: a hollow shaft; a casing fixed to the hollow shaft; a fixed part that is relatively stationary with respect to the casing; an electric motor; a speed reduction mechanism; an output part; and a torque sensor that is connected to the casing and the fixed part. The torque sensor has an elastically deformable strain body that has an annular outer ring and an annular inner ring and a plurality of strain sensors. The outer ring and the inner ring are respectively located at an end portion on the radial outside and the radial inside of the torque sensor and is connected to one of the casing and the fixed part. Each of the plurality of strain sensors is at least partially located in a radial direction between the outer ring and the inner ring.Type: ApplicationFiled: February 15, 2018Publication date: January 2, 2020Applicants: NIDEC-SHIMPO CORPORATION, NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi KOROYASU, Tomoyuki OTSUKA, Takuro YONEMURA, Takao IKEDA
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Publication number: 20190346329Abstract: The torque sensor of the present embodiments comprises a first structure to be coupled to an object to be measured, a second structure, a first bridge circuit including a plurality of first strain sensors configured to detect force to be transmitted between the first structure and the second structure, a second bridge circuit including a plurality of second strain sensors configured to detect force to be transmitted between the first structure and the second structure, and a controller configured to output a signal indicating an abnormality when a difference between a first output voltage of the first bridge circuit and a second output voltage of the second bridge circuit is greater than a first threshold voltage.Type: ApplicationFiled: June 25, 2019Publication date: November 14, 2019Applicant: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi SUZUKI, Takao IKEDA, Takayuki ENDO
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Publication number: 20190310146Abstract: A torque sensor includes a first region, a second region, a plurality of third regions connecting the first and second regions, a first strain generation part and a second strain generation part. The first strain generation part of which a first end is provided on the first region, and of which a first intermediate portion is provided on a second structure. The second strain generation part of which a third end is provided on the first region, of which a second intermediate portion is provided on the second region, and of which a fourth end is provided near a second end of the first strain generation part. A strain body provided with a resistor connects the second end of the first strain generation part and the fourth end of the second strain generation part.Type: ApplicationFiled: April 25, 2019Publication date: October 10, 2019Applicant: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi SUZUKI, Takao IKEDA, Takashi KANAI, Takayuki ENDO
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Publication number: 20190250051Abstract: Provided is a torque sensor which enables the allowable torque and sensitivity of a strain sensor to be independently set, or for which the mechanical strength can be independently set. The torque sensor comprises a first region, a second region, and a plurality of third regions which connect the first and second regions, wherein the torque to be measured is transmitted between the first and second regions through the third regions. A first strain generation part is provided between the first region and the second region, and is equipped with a first resistor. A second strain generation part is provided between the first region and the second region at a location separated from the first strain generation part, and is equipped with a second resistor.Type: ApplicationFiled: April 24, 2019Publication date: August 15, 2019Applicant: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi SUZUKI, Takao IKEDA
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Publication number: 20190204170Abstract: In a force sensor, a cylindrical movable body can be moved with respect to a cylindrical main body. A strain body is fixed to the main body and the movable body, and can be deformed in accordance with the movement of the movable body. Strain sensors are provided on the strain body. At least three circular openings are provided in the circumferential surface of the movable body at equal intervals. Stoppers are respectively arranged inside the openings, and each of which includes a first side surface having a first outer diameter smaller than an inner diameter of the opening, and a second side surface having a second outer diameter smaller than the first outer diameter. Fixing members fix the stoppers to the main body.Type: ApplicationFiled: March 6, 2019Publication date: July 4, 2019Applicant: NIDEC COPAL ELECTRONICS CORPORATIONInventors: Takashi SUZUKI, Takao IKEDA
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Patent number: 10220431Abstract: An offset fin manufacturing method for manufacturing offset fins includes a feeding step of feeding a strip plate, a connection forming step of forming a connection in the strip plate, and an offset fin forming step of bending a planar plate portion located between corresponding two of the connections. In the offset fin forming step, each offset fin is formed such that two of top surface portions, which are located at an upstream end and a downstream end, respectively, of the offset fin in a feed direction of the strip plate, are respectively and directly connected to corresponding two of the connections. One of two of lateral surface portions joined to a corresponding one of the two of the top surface portions is not offset, and thereby a length of the corresponding one of the two of the top surface portions measured along a wave continuation direction is increased.Type: GrantFiled: February 15, 2016Date of Patent: March 5, 2019Assignee: DENSO CORPORATIONInventors: Kazuhiro Mitsukawa, Masafumi Torimoto, Shinya Nii, Takao Ikeda, Kenta Nonoyama
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Patent number: 10022765Abstract: In a corrugated plate manufacturing apparatus, each of a plurality of primary forming punches includes a plurality of primary pressable portions that are arranged one after another in a slider reciprocating direction and are pressable by a corresponding one of a plurality of primary sliders. When the primary sliders are sequentially moved toward one side in the slider reciprocating direction, each corresponding one of the primary sliders presses the primary pressable portions of the corresponding one of the primary forming punches to press the primary forming punch against a secondary die.Type: GrantFiled: April 8, 2015Date of Patent: July 17, 2018Assignee: DENSO CORPORATIONInventors: Kazuhiro Mitsukawa, Masafumi Torimoto, Takao Ikeda, Yoshinori Suzuki, Koichiro Sato, Hidemasa Otsubo
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Patent number: 9662705Abstract: A processing machine for performing a bending operation on a workpiece includes a die, a punch movable in a first direction for pressing the workpiece against the die, a slide member movable in a second direction perpendicular to the first direction, a first cam device that moves the punch toward the die for deforming the workpiece when being actuated by movement of the slide member, a second cam device that moves the punch for pressing a surface of the workpiece when being actuated by movement of the slide member. The pressure angle of the second cam device is smaller than a pressure angle of the first cam device. The processing machine further includes a drive member configured to move the slide member such that the second cam device is actuated after the first cam device is actuated.Type: GrantFiled: December 17, 2014Date of Patent: May 30, 2017Assignee: DENSO CORPORATIONInventors: Hidemasa Otsubo, Masafumi Torimoto, Kazuhiro Mitsukawa, Masahito Sugiura, Takao Ikeda
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Patent number: 9472489Abstract: An inner fin is provided in a fluid pipe for dividing a fluid passage for heating medium into multiple small fluid passages, so as to facilitate heat exchange between the heating medium and an electronic part. The inner fin is formed in a wave shape in a cross section perpendicular to a flow direction of the heating medium, wherein the inner fin has projecting portions alternately projecting in one direction and in the other direction. The inner fin is composed of multiple fin portions, wherein a fin pitch of a first fin portion is made to be smaller than a fin pitch of a second fin portion, which faces to the electronic part.Type: GrantFiled: February 8, 2012Date of Patent: October 18, 2016Assignee: DENSO CORPORATIONInventors: Masaya Nakamura, Naoki Sugimoto, Takao Ikeda
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Patent number: 9464598Abstract: An exhaust gas cooling device, which cools exhaust gas from an internal combustion engine mounted on a vehicle through heat exchange between the exhaust gas and a coolant, includes: a plurality of tubes through which the exhaust gas flows; a tubular shell which houses the plurality of tubes and is configured to allow the coolant to flow therethrough; and a header plate disposed at an end portion in the shell to prevent the coolant from flowing out of the shell. The header plate includes support holes in which end portions of the plurality of the tubes are fitted and supported, and each of axial end faces of the plurality of tubes is located in the corresponding support hole at a position between both ends of the header plate in a thickness direction of the header plate.Type: GrantFiled: July 19, 2012Date of Patent: October 11, 2016Assignees: Toyota Jidosha Kabushiki Kaisha, Denso CorporationInventors: Takashi Tomita, Toru Ikeda, Isao Kuroyanagi, Takayuki Hayashi, Takeshi Iguchi, Takao Ikeda, Ryoichi Sanada
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Patent number: 9429113Abstract: An exhaust gas cooling device, which cools exhaust gas from an internal combustion engine mounted on a vehicle through heat exchange between the exhaust gas and a coolant, includes: a plurality of tubes through which the exhaust gas flows; a tubular shell which houses the plurality of tubes and is configured to allow the coolant to flow therethrough; and a header plate disposed at an end portion in the shell to prevent the coolant from flowing out of the shell. The header plate includes support holes in which end portions of the plurality of the tubes are fitted and supported, and each of axial end faces of the plurality of tubes is located in the corresponding support hole at a position between both ends of the header plate in a thickness direction of the header plate.Type: GrantFiled: July 19, 2012Date of Patent: August 30, 2016Assignees: Toyota Jidosha Kabushiki Kaisha, Denso CorporationInventors: Takashi Tomita, Toru Ikeda, Isao Kuroyanagi, Takayuki Hayashi, Takeshi Iguchi, Takao Ikeda, Ryoichi Sanada
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Publication number: 20160236262Abstract: An offset fin manufacturing method for manufacturing offset fins includes a feeding step of feeding a strip plate, a connection forming step of forming a connection in the strip plate, and an offset fin forming step of bending a planar plate portion located between corresponding two of the connections. In the offset fin forming step, each offset fin is formed such that two of top surface portions, which are located at an upstream end and a downstream end, respectively, of the offset fin in a feed direction of the strip plate, are respectively and directly connected to corresponding two of the connections. One of two of lateral surface portions joined to a corresponding one of the two of the top surface portions is not offset, and thereby a length of the corresponding one of the two of the top surface portions measured along a wave continuation direction is increased.Type: ApplicationFiled: February 15, 2016Publication date: August 18, 2016Inventors: Kazuhiro MITSUKAWA, Masafumi TORIMOTO, Shinya NII, Takao IKEDA, Kenta NONOYAMA
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Publication number: 20150290693Abstract: In a corrugated plate manufacturing apparatus, each of a plurality of primary forming punches includes a plurality of primary pressable portions that are arranged one after another in a slider reciprocating direction and are pressable by a corresponding one of a plurality of primary sliders. When the primary sliders are sequentially moved toward one side in the slider reciprocating direction, each corresponding one of the primary sliders presses the primary pressable portions of the corresponding one of the primary forming punches to press the primary forming punch against a secondary die.Type: ApplicationFiled: April 8, 2015Publication date: October 15, 2015Inventors: KAZUHIRO MITSUKAWA, MASAFUMI TORIMOTO, TAKAO IKEDA, YOSHINORI SUZUKI, KOICHIRO SATO, HIDEMASA OTSUBO