Patents by Inventor Yoshio Kondo
Yoshio Kondo 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: 10822292Abstract: A method for producing a reaction product, with which the reaction product is obtained from a starting material through a particular organic synthesis reaction, the method includes (a) a step of setting a target wavelength to a peak wavelength of a reaction region involved in the organic synthesis reaction in an infrared absorption spectrum of the starting material; (b) a step of preparing an infrared heater that emits an infrared ray having a peak at the target wavelength from a structure constituted by a metal pattern, a dielectric layer, and a metal substrate stacked in this order from an outer side toward an inner side; and (c) a step of obtaining the reaction product by allowing the organic synthesis reaction to proceed while the infrared ray having a peak at the target wavelength is being applied to the starting material from the infrared heater.Type: GrantFiled: January 23, 2019Date of Patent: November 3, 2020Assignee: NGK Insulators, Ltd.Inventors: Kousuke Niwa, Yoshio Kondo, Hiroaki Isobe, Michiro Aoki
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Publication number: 20200324807Abstract: A steering device includes: a steered shaft; a first nut; a second nut; a first motor; a second motor; a first power transmission portion that transmits a first drive force generated by the first motor to the first nut, converts the first drive force into a force in an axial direction, and biases the steered shaft in the axial direction; a second power transmission portion that transmits a second drive force generated by the second motor to the second nut, converts the second drive force into a force in the axial direction, and biases the steered shaft in the axial direction; a signal detection device that detects a first detection signal and a second detection signal with different periods; and a computation device that computes an absolute position of the steered shaft in the axial direction.Type: ApplicationFiled: April 13, 2020Publication date: October 15, 2020Applicant: JTEKT CORPORATIONInventors: Yoshio KONDO, Fumio KISHIDA, Toshiaki OGATA, Keishi NAKAMURA, Hirohide SUZUKI
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Patent number: 10757760Abstract: An infrared heater 10 includes a heating element 40 that emits infrared radiation when heated and that is capable of absorbing infrared radiation in a predetermined reflection wavelength range, and a filter unit 50 that is disposed so as to be separated by a first space 47, which is open to an outside space, from the heating element 40. The filter unit 50 includes one or more transmission layers (a first transmission layer 51) that transmit at least a part of the infrared radiation from the heating element 40, and a reflective section (the first transmission layer 51) that reflects infrared radiation in the reflection wavelength range toward the heating element 40.Type: GrantFiled: November 30, 2015Date of Patent: August 25, 2020Assignee: NGK Insulators, Ltd.Inventors: Takeshi Komaki, Taiki Kinnan, Yoshio Kondo
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Publication number: 20200262470Abstract: A turning device includes a turning shaft having a first ball screw groove as one of a left screw and a right screw and a second ball screw groove as the other of the left screw and the right screw and turning wheels to be turned by moving in an axial direction, a first electric motor generating a first driving force, a second electric motor operating independently of the first electric motor and generating a second driving force, a first ball screw nut transmitting the first driving force generated by the first electric motor to the first ball screw groove, a second ball screw nut transmitting the second driving force generated by the second electric motor to the second ball screw groove, and a rotation regulating part regulating relative rotation of the turning shaft around an axis with respect to a housing.Type: ApplicationFiled: February 11, 2020Publication date: August 20, 2020Applicant: JTEKT CORPORATIONInventors: Yoshio KONDO, Fumio KISHIDA, Toshiaki OGATA, Keishi NAKAMURA, Hirohide SUZUKI
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Patent number: 10701762Abstract: A heat radiation device includes a heat source, a meta-material structure layer arranged on a front surface side of the heat source and configured to radiate radiant energy in a specific wavelength range by converting heat energy inputted from the heat source into the radiant energy in the specific wavelength range, and a rear-surface metal layer arranged on a rear surface side of the heat source. An average emissivity of the rear-surface metal layer is smaller than an average emissivity of the meta-material structure layer.Type: GrantFiled: September 20, 2018Date of Patent: June 30, 2020Assignee: NGK Insulators, Ltd.Inventor: Yoshio Kondo
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Patent number: 10683031Abstract: A rack-parallel steering system that prevents entry of abrasion powder into a rolling bearing is provided. A steering system includes a steered shaft, a rolling element screw portion, a rolling element nut, and a ball screw device. The steering system includes: a motor including an output shaft offset from the steered shaft; a drive force transfer mechanism including a toothed drive pulley, a toothed driven pulley, and a toothed belt; and a rolling bearing supporting a ball screw nut to be rotatable relative to a housing. A first seal member that contacts an outer ring and an inner ring is provided on a side surface of the rolling bearing on the driven pulley side. A second seal member that does not contact the inner ring is provided on a side surface of the ball bearing on the side opposite to the side surface on the driven pulley side.Type: GrantFiled: October 24, 2017Date of Patent: June 16, 2020Assignee: JTEKT CORPORATIONInventors: Yoshio Kondo, Masashi Yamaguchi
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Publication number: 20200110252Abstract: An infrared light radiation device includes a radiation unit and a condenser. The radiation unit includes a heater and a metamaterial structure. The metamaterial structure is able to radiate, when heat energy is input from the heater, infrared light having a peak wavelength of a non-Planck distribution. The condenser includes at least one condensing lens that concentrates and transmits toward outside the infrared light radiated from the radiation unit.Type: ApplicationFiled: September 20, 2019Publication date: April 9, 2020Applicant: NGK INSULATORS, LTD.Inventors: Daiki KATO, Yoshio KONDO
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Publication number: 20190246457Abstract: An infrared heater includes a heater body and a casing. The heater body includes a heating element and a metamaterial structure capable of emitting infrared radiation having a peak wavelength of a non-Planck distribution when thermal energy is supplied from the heating element. The casing has an interior space in which the heater body is disposed and whose pressure is reducible. In addition, the casing includes an infrared radiation transmitting portion capable of transmitting the infrared radiation emitted by the metamaterial structure to an outside of the casing.Type: ApplicationFiled: April 17, 2019Publication date: August 8, 2019Applicants: NGK INSULATORS, LTD., National University Corporation Hokkaido University, National University Corporation Niigata UniversityInventors: Michiro AOKI, Yoshio Kondo, Tsuyoshi Totani, Atsushi Sakurai
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Publication number: 20190161111Abstract: A steering device includes a rolling-element bearing that rotationally supports a rotating member in a housing. The rolling-element bearing includes an inner ring, an outer ring, first rolling elements, and second rolling elements. The first rolling elements and second rolling elements are disposed in parallel in the axial direction between the inner ring and the outer ring. The inner ring includes a first split race having a first inner peripheral track surface and a second split race having a second inner peripheral track surface. The steering device further includes a fixing structure configured to fix the rolling-element bearing to the outer periphery of the rotating member in a state where a load is applied to the first split race, the first rolling element, the outer ring, the second rolling element, and the second split race.Type: ApplicationFiled: October 29, 2018Publication date: May 30, 2019Applicant: JTEKT CORPORATIONInventors: Yoshio KONDO, Masashi YAMAGUCHI
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Publication number: 20190152881Abstract: A method for producing a reaction product, with which the reaction product is obtained from a starting material through a particular organic synthesis reaction, the method includes (a) a step of setting a target wavelength to a peak wavelength of a reaction region involved in the organic synthesis reaction in an infrared absorption spectrum of the starting material; (b) a step of preparing an infrared heater that emits an infrared ray having a peak at the target wavelength from a structure constituted by a metal pattern, a dielectric layer, and a metal substrate stacked in this order from an outer side toward an inner side; and (c) a step of obtaining the reaction product by allowing the organic synthesis reaction to proceed while the infrared ray having a peak at the target wavelength is being applied to the starting material from the infrared heater.Type: ApplicationFiled: January 23, 2019Publication date: May 23, 2019Applicant: NGK INSULATORS, LTD.Inventors: Kousuke NIWA, Yoshio KONDO, Hiroaki ISOBE, Michiro AOKI
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Publication number: 20190092379Abstract: Provided is a steering system including a low-cost rolling bearing with high supporting rigidity wherein generation of rattling noise during operation is prevented. A steering system includes a housing, a steered shaft, a ball screw device, a motor, a drive force transmission mechanism, and a bearing device. A ball nut portion is formed in a first range, and the bearing device supports a nut on the housing in a second range. The bearing device includes an outer ring, a first inner ring portion formed as a part of the nut in the second range, a second inner ring fitted to the outer peripheral surface of the nut in the second range, a plurality of bearing balls, and an enlarged diameter portion formed as a part of the nut in the second range.Type: ApplicationFiled: September 14, 2018Publication date: March 28, 2019Applicant: JTEKT CORPORATIONInventors: Yoshio KONDO, Manabu IGARASHI
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Publication number: 20190021139Abstract: A heat radiation device includes a heat source, a meta-material structure layer arranged on a front surface side of the heat source and configured to radiate radiant energy in a specific wavelength range by converting heat energy inputted from the heat source into the radiant energy in the specific wavelength range, and a rear-surface metal layer arranged on a rear surface side of the heat source. An average emissivity of the rear-surface metal layer is smaller than an average emissivity of the meta-material structure layer.Type: ApplicationFiled: September 20, 2018Publication date: January 17, 2019Applicant: NGK INSULATORS, LTD.Inventor: Yoshio KONDO
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Publication number: 20180118252Abstract: A rack-parallel steering system that prevents entry of abrasion powder into a rolling bearing is provided. A steering system includes a steered shaft, a rolling element screw portion, a rolling element nut, and a ball screw device. The steering system includes: a motor including an output shaft offset from the steered shaft; a drive force transfer mechanism including a toothed drive pulley, a toothed driven pulley, and a toothed belt; and a rolling bearing supporting a ball screw nut to be rotatable relative to a housing. A first seal member that contacts an outer ring and an inner ring is provided on a side surface of the rolling bearing on the driven pulley side. A second seal member that does not contact the inner ring is provided on a side surface of the ball bearing on the side opposite to the side surface on the driven pulley side.Type: ApplicationFiled: October 24, 2017Publication date: May 3, 2018Applicant: JTEKT CORPORATIONInventors: Yoshio KONDO, Masashi YAMAGUCHI
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Publication number: 20160157300Abstract: An infrared heater 10 includes a heating element 40 that emits infrared radiation when heated and that is capable of absorbing infrared radiation in a predetermined reflection wavelength range, and a filter unit 50 that is disposed so as to be separated by a first space 47, which is open to an outside space, from the heating element 40. The filter unit 50 includes one or more transmission layers (a first transmission layer 51) that transmit at least a part of the infrared radiation from the heating element 40, and a reflective section (the first transmission layer 51) that reflects infrared radiation in the reflection wavelength range toward the heating element 40.Type: ApplicationFiled: November 30, 2015Publication date: June 2, 2016Inventors: Takeshi KOMAKI, Taiki KINNAN, Yoshio KONDO
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Patent number: 9188386Abstract: A method of drying a coating film formed on a surface of a PET film includes radiating an infrared ray having a dominant wavelength of 3.5 ?m or less from an infrared heater onto a PET film on whose surface the coating film containing water or an organic solvent having an absorption spectrum of 3.5 ?m or less has been formed, where the infrared heater has a structure such that an outer circumference of a filament is covered with a protection tube, and a partition wall for forming a flow passageway of a cooling fluid that restrains rise in temperature of a heater surface is provided in a space surrounding this protection tube, and bringing cooling air into contact with the surface of the PET film/coating film has been formed, so as to dry the PET film at a temperature lower than a glass transition point of the PET film.Type: GrantFiled: April 4, 2013Date of Patent: November 17, 2015Assignee: NGK Insulators, Ltd.Inventors: Yuuki Fujita, Yoshio Kondo, Michiro Aoki
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Patent number: 8983280Abstract: A coated film drying furnace for drying a coated film inside a furnace body by conveying the coated film therein, the coated film having an absorption spectrum for electromagnetic waves of 3.5 ?m or less and having hydrogen bonds, such as an electrode coated film for lithium ion battery. Infrared heaters provided inside a furnace body have outer circumferences of filaments concentrically covered by tubes that function as a low pass filter, and have a structure in which a fluid flow passage is formed between the plurality of tubes. Due to this, a temperature rise in the furnace is controlled so as to prevent explosion of an organic solvent vapor, and the coated film is efficiently heated and dried by intensively radiating near infrared rays of 3.5 ?m or less that have superior ability to cut off the intermolecular hydrogen bonds onto a work.Type: GrantFiled: September 6, 2012Date of Patent: March 17, 2015Assignee: NGK Insulators, Ltd.Inventors: Yuuki Fujita, Yoshio Kondo, Michiro Aoki
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Patent number: 8511191Abstract: A rack shaft support device includes: a rack shaft support member that is accommodated inside a retention hole formed in a housing so as to slide in an axial direction of the retention hole, and slidably supports a rack shaft; a sealing member fixed to an inlet port of the retention hole; an intermediate member that is interposed between the rack shaft support member and the sealing member; a torsion spring that couples the sealing member and the intermediate member; a cam mechanism that converts a rotational force of the intermediate member induced by untwisting of the torsion spring to a force by which the intermediate member pushes the rack shaft support member; an opposing portion that opposes a rear surface of the rack shaft support member; and an annular elastic member that is interposed between the rear surface of the rack shaft support member and the opposing portion.Type: GrantFiled: July 29, 2009Date of Patent: August 20, 2013Assignee: JTEKT CorporationInventors: Akitake Kawakubo, Yoshinori Suzuki, Hirofumi Ishimi, Yoshio Kondo
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Publication number: 20120328272Abstract: A coated film drying furnace for drying a coated film inside a furnace body by conveying the coated film therein, the coated film having an absorption spectrum for electromagnetic waves of 3.5 ?m or less and having hydrogen bonds, such as an electrode coated film for lithium ion battery. Infrared heaters provided inside a furnace body have outer circumferences of filaments concentrically covered by tubes that function as a low pass filter, and have a structure in which a fluid flow passage is formed at 16 between the plurality of tubes. Due to this, a temperature rise in the furnace is controlled so as to prevent explosion of an organic solvent vapor, and the coated film is efficiently heated and dried by intensively radiating near infrared rays of 3.5 ?m or less that have superior ability to cut off the intermolecular hydrogen bonds onto a work.Type: ApplicationFiled: September 6, 2012Publication date: December 27, 2012Applicant: NGK Insulators, Ltd.Inventors: Yuuki Fujita, Yoshio Kondo, Michiro Aoki
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Publication number: 20100024583Abstract: A rack shaft support device includes: a rack shaft support member that is accommodated inside a retention hole formed in a housing so as to slide in an axial direction of the retention hole, and slidably supports a rack shaft; a sealing member fixed to an inlet port of the retention hole; an intermediate member that is interposed between the rack shaft support member and the sealing member; a torsion spring that couples the sealing member and the intermediate member; a cam mechanism that converts a rotational force of the intermediate member induced by untwisting of the torsion spring to a force by which the intermediate member pushes the rack shaft support member; an opposing portion that opposes a rear surface of the rack shaft support member; and an annular elastic member that is interposed between the rear surface of the rack shaft support member and the opposing portion.Type: ApplicationFiled: July 29, 2009Publication date: February 4, 2010Applicant: JTEKT CORPORATIONInventors: Akitake Kawakubo, Yoshinori Suzuki, Hirofumi Ishimi, Yoshio Kondo
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Patent number: 7645136Abstract: The continuous heat treatment furnace of the present invention is provided with at least one drying and binder-removing area where drying of the objects to be thermally treated and/or removal of binder are carried out and a firing area where the objects to be thermally treated is fired in succession from inlet side towards outlet side of the furnace, the objects to be thermally treated being subjected to drying and/or removal of binder while being transported through the drying and binder-removing area and thereafter being fired while being transported through the firing area, wherein the heat treatment furnace has at least two transporting mechanisms disposed along the transporting direction of the objects to be thermally treated as transporting mechanisms for transporting the objects to be thermally treated, the objects to be thermally treated are transported by different transporting mechanisms in the drying and binder-removing area and the firing area, respectively, and the transporting speed of each tranType: GrantFiled: September 30, 2005Date of Patent: January 12, 2010Assignee: NGK Insulators, Ltd.Inventors: Makoto Arai, Yasuhiro Kajiura, Yoshio Kondo