Patents by Inventor Hajime Nakagawa
Hajime Nakagawa 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: 20240131758Abstract: An electronic-component-attached resin housing is provided that comprises a housing and an electronic component mounting film. The housing is made of resin. The electronic component mounting film includes a base film, a circuit pattern layer, an electronic component, and a reinforcing layer. The base film is disposed along an inner surface of the housing. The circuit pattern layer is formed on at least a surface of the base film opposite to a housing side of the base film. The electronic component is connected to the circuit pattern layer and mounted on the surface of the base film opposite to the housing side of the base film. The reinforcing layer is formed on the housing side of the base film facing the electronic component. The electronic component is integrated with the housing without the electronic component being buried in the housing.Type: ApplicationFiled: January 28, 2022Publication date: April 25, 2024Inventors: Yasuisa TAKINISHI, Chuzo TANIGUCHI, Eiji KAWASHIMA, Hajime NAKAGAWA, Takenori YOSHIDA
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Publication number: 20230302757Abstract: A method for fitting a paper sheet includes a water absorption step of causing a region of the paper sheet to absorb water, the region being at least a part of the paper sheet; a placing step of placing the region of the paper sheet between one set of first molding surfaces of a press mold; a molding step of molding the region of the paper sheet into a three-dimensional shape, by closing the press mold; a layering step of layering another paper sheet that is not caused to absorb water on the molded paper sheet, after opening the press mold; a fitting step of fitting the molded paper sheet and the another paper sheet by closing the press mold to mold a laminate into a three-dimensional shape; and a removal step of removing a molded article including a fitting portion, after opening the press mold.Type: ApplicationFiled: October 25, 2021Publication date: September 28, 2023Inventors: Atsushi ONISHI, Tetsu NISHIKAWA, Shuhei MIYASHITA, Hajime NAKAGAWA
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Patent number: 11346505Abstract: A fluid supply system includes: fluid lines, fluid controllers and joints, in which each of the fluid lines linearly extends in an extension direction that substantially perpendicularly intersects an alignment direction of the fluid lines, each of the fluid controllers is disposed in an aligned manner in the alignment direction with connection surfaces directed to the same direction, a diameter of the pipings is equal to or less than a surface width of the connection surfaces in the alignment direction, and diameters of the joints are equal to or greater than the surface width, and the pipings that are adjacent to each other in the alignment direction are positioned with the joints displaced from each other in the extension direction.Type: GrantFiled: October 3, 2019Date of Patent: May 31, 2022Assignee: FUJIKIN INCORPORATEDInventors: Haruhiko Kuriki, Hajime Nakagawa, Kenji Aikawa
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Publication number: 20210388949Abstract: A fluid supply system includes: fluid lines, fluid controllers and joints, in which each of the fluid lines linearly extends in an extension direction that substantially perpendicularly intersects an alignment direction of the fluid lines, each of the fluid controllers is disposed in an aligned manner in the alignment direction with connection surfaces directed to the same direction, a diameter of the pipings is equal to or less than a surface width of the connection surfaces in the alignment direction, and diameters of the joints are equal to or greater than the surface width, and the pipings that are adjacent to each other in the alignment direction are positioned with the joints displaced from each other in the extension direction.Type: ApplicationFiled: October 3, 2019Publication date: December 16, 2021Inventors: Haruhiko Kuriki, Hajime Nakagawa, Kenji Aikawa
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Patent number: 11156305Abstract: A screw hole of an upstream side joining block is formed only on an upstream side of a flow path port thereof in a longitudinal direction, a screw hole of a downstream side joining block is formed only on a downstream side of a flow path port thereof in the longitudinal direction and, between a guide part and an engaging part, an alignment mechanism aligns the positions of the upstream side and the downstream side joining blocks in a horizontal direction orthogonal to the longitudinal direction of the guide part to a center position of the guide part by using a portion of a reaction force that resists a bending force produced by the tightening force of a tightening bolt on a body and the upstream side and the downstream side joining blocks connected to each other.Type: GrantFiled: June 19, 2017Date of Patent: October 26, 2021Assignee: FUJIKIN INCORPORATEDInventors: Kenji Aikawa, Tsutomu Shinohara, Hajime Nakagawa, Takahiro Matsuda, Akihiro Harada
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Patent number: 10830367Abstract: A fluid flow path of a joining block includes a vertical flow path and a horizontal flow path. The joining block is constrained on a rail member so as to be capable of moving in a longitudinal direction. A fluid control device is supported by the rail member via the joining block and includes a screw hole, and a tightening bolt that has passed through a body of the fluid control device is screwed into the screw hole. A gasket between the joining block and the body is compressed between the body and the joining block by a tightening force of the tightening bolt. The screw hole includes the tip portion closed above the horizontal flow path and at least partially overlaps the horizontal flow path in a planar view.Type: GrantFiled: June 19, 2017Date of Patent: November 10, 2020Assignee: FUJIKIN INCORPORATEDInventors: Kenji Aikawa, Tsutomu Shinohara, Hajime Nakagawa, Takahiro Matsuda, Akihiro Harada
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Publication number: 20200327344Abstract: An occupant detection device for a vehicle includes a first sensor and a second sensor. The first sensor is an image sensor that captures an image of an inside of a cabin of the vehicle, and is disposed at a front portion of the cabin in a longitudinal direction of the vehicle. The second sensor is provided to detect an occupant on a rear seat of the vehicle. The second sensor is arranged on a ceiling of the cabin behind a center of a seat surface of the rear seat in the longitudinal direction of the vehicle.Type: ApplicationFiled: June 29, 2020Publication date: October 15, 2020Inventor: Hajime NAKAGAWA
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Publication number: 20190195378Abstract: A fluid flow path of a joining block includes a vertical flow path and a horizontal flow path. The joining block is constrained on a rail member so as to be capable of moving in a longitudinal direction. A fluid control device is supported by the rail member via the joining block and includes a screw hole, and a tightening bolt that has passed through a body of the fluid control device is screwed into the screw hole. A gasket between the joining block and the body is compressed between the body and the joining block by a tightening force of the tightening bolt. The screw hole includes the tip portion closed above the horizontal flow path and at least partially overlaps the horizontal flow path in a planar view.Type: ApplicationFiled: June 19, 2017Publication date: June 27, 2019Applicant: FUJIKIN INCORPORATEDInventors: Kenji AIKAWA, Tsutomu SHINOHARA, Hajime NAKAGAWA, Takahiro MATSUDA, Akihiro HARADA
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Publication number: 20190162323Abstract: A screw hole of an upstream side joining block is formed only on an upstream side of a flow path port thereof in a longitudinal direction, a screw hole of a downstream side joining block is formed only on a downstream side of a flow path port thereof in the longitudinal direction and, between a guide part and an engaging part, an alignment mechanism aligns the positions of the upstream side and the downstream side joining blocks in a horizontal direction orthogonal to the longitudinal direction of the guide part to a center position of the guide part by using a portion of a reaction force that resists a bending force produced by the tightening force of a tightening bolt on a body and the upstream side and the downstream side joining blocks connected to each other.Type: ApplicationFiled: June 19, 2017Publication date: May 30, 2019Applicant: FUJIKIN INCORPORATEDInventors: Kenji AIKAWA, Tsutomu SHINOHARA, Hajime NAKAGAWA, Takahiro MATSUDA, Akihiro HARADA
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Publication number: 20190094355Abstract: An occupant detection apparatus includes a wave motion sensor and an controller. The wave motion sensor provided to be upper than the seat in the vehicle, performing transmission of wave motion towards a predetermined range which includes a head part of the occupant at least, performing reception of the wave motion that is reflected. The controller calculates, as a result value, at least either a first value or a second value based on the transmission and the reception of the wave motion by the wave motion sensor; the first value is a receiving intensity and the second value is either a period of time or a distance. The controller determines either (i) that the seat is occupied by the occupant or (ii) that the seat is empty or occupied by a physical body other than the occupant, based on comparison of the result value with a threshold value.Type: ApplicationFiled: October 21, 2016Publication date: March 28, 2019Inventor: Hajime NAKAGAWA
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Patent number: 9915345Abstract: Provided is an oil ring (13) for a piston assembly that can minimize the frictional resistance without impairing the oil control function such as the scraping of lubricating oil from the cylinder wall surface by the oil ring. The oil ring consists of an upper side rail (16), a lower side rail (17) and an annular expander (18) interposed between the two side rails, and is received in an oil ring groove (8) with a prescribed vertical clearance (20) that permits tilting of the side rails. An outer peripheral surface (16E, 17E) of each side rail is provided with a radially inward slant. Therefore, during the upward stroke of the piston, the upper side rail tilts in the radially outward direction so that the effective slant angle of the outer peripheral surface of the upper side ring is adjusted to an optimum value.Type: GrantFiled: October 5, 2017Date of Patent: March 13, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Naokazu Kawase, Hajime Nakagawa
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Publication number: 20180038484Abstract: Provided is an oil ring (13) for a piston assembly that can minimize the frictional resistance without impairing the oil control function such as the scraping of lubricating oil from the cylinder wall surface by the oil ring. The oil ring consists of an upper side rail (16), a lower side rail (17) and an annular expander (18) interposed between the two side rails, and is received in an oil ring groove (8) with a prescribed vertical clearance (20) that permits tilting of the side rails. An outer peripheral surface (16E, 17E) of each side rail is provided with a radially inward slant. Therefore, during the upward stroke of the piston, the upper side rail tilts in the radially outward direction so that the effective slant angle of the outer peripheral surface of the upper side ring is adjusted to an optimum value.Type: ApplicationFiled: October 5, 2017Publication date: February 8, 2018Inventors: Naokazu KAWASE, Hajime NAKAGAWA
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Publication number: 20170184198Abstract: Provided is an oil ring (13) that can minimize the frictional resistance without impairing the oil control function such as the scraping of lubricating oil from the cylinder wall surface by the oil ring. The oil ring consists of an upper side rail (16), a lower side rail (17) and an annular expander (18) interposed between the two side rails, and is received in an oil ring groove (8) with a prescribed vertical clearance (20) that permits tilting of the side rails. An outer peripheral surface (16E, 17E) of each side rail is provided with a radially inward slant. Therefore, during the upward stroke of the piston, the upper side rail tilts in the radially outward direction so that the effective slant angle of the outer peripheral surface of the upper side ring is adjusted to an optimum value.Type: ApplicationFiled: October 26, 2016Publication date: June 29, 2017Inventors: Naokazu Kawase, Hajime Nakagawa
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Patent number: 9205762Abstract: An occupant detection apparatus includes an electrostatic capacitance type sensor having a main electrode, a sub electrode and a guard electrode, an impedance measurement device that outputs an alternating current signal to measure an impedance, and an occupant discrimination device that discriminates an occupant. The guard electrode is provided oppositely to main electrode and not oppositely to the sub electrode. The impedance measurement device outputs an alternating current signal to pass the signal through the main electrode so as to measure a main impedance. Further, the impedance measurement device outputs the alternating current signal to pass the signal through sub electrode so as to measure a sub impedance. The occupant discrimination device discriminates the occupant based on an electrostatic capacitance component of the main impedance and a resistance value component of the sub impedance.Type: GrantFiled: December 19, 2011Date of Patent: December 8, 2015Assignee: DENSO CORPORATIONInventor: Hajime Nakagawa
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Patent number: 9110112Abstract: An occupant sensor device includes a sensor body unit disposed in a base part of a seat in a vehicle, and an occupant detection device. The sensor body unit is divided into at least two parts, such as a first sensor part and a second sensor part, where the first sensor part is positioned in front of the second sensor part. Based on a capacitance between the sensor body unit and a vehicle body, the occupant detection device detects an occupant type of an occupant that is seated on the seat. In particular, the occupant detection unit is able to detect the occupant type based on a first capacitance provided by the first sensor part, a second capacitance provided by the second sensor part, and a total capacitance, which is a total of the first capacitance and the second capacitance.Type: GrantFiled: March 4, 2013Date of Patent: August 18, 2015Assignee: DENSO CORPORATIONInventor: Hajime Nakagawa
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Patent number: 8674710Abstract: A capacitive occupant detection apparatus comprising a sensor unit and a control unit is disclosed. The sensor unit includes a detection electrode and a periphery guard electrode. The control unit includes: a signal application circuit for applying an oscillation signal to the detection electrode; an operational amplifier for applying to the guard electrode a signal having the same phase and potential as the oscillation signal applied to the detection electrode; and a control circuit for receiving current and voltage values supplied to the detection and for determining a mounting state on a seat based on the inputted current and voltage values (including phase information). The periphery guard electrode is located to surround the detection electrode when viewed from an upper side of the detection electrode.Type: GrantFiled: November 29, 2011Date of Patent: March 18, 2014Assignees: Denso Corporation, Nippon Soken, Inc.Inventors: Masayoshi Satake, Hiroyuki Mori, Kouji Ootaka, Hajime Nakagawa, Toshihiro Hattori, Noboru Maeda
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Publication number: 20130328577Abstract: A capacitance-type occupant detection sensor of the present disclosure detects a vehicle occupant on a seat based on a difference of capacitance between a sensor body and a reference electric potential. The sensor body includes a main electrode and a parallel electrode. The parallel electrode is disposed in parallel with the main electrode with a gap interposed therebetween and has a detection voltage applied thereto. The main electrode and the parallel electrode each have a base material, a first electrode member disposed on the base material, and a second electrode member disposed on the base material to cover the first electrode member, where the second electrode member has an electric conductivity that is lower than the first electrode member. The first electrode member is disposed on a lateral perimeter of the second electrode member to surround a center of the second electrode member.Type: ApplicationFiled: May 15, 2013Publication date: December 12, 2013Applicants: Nippon Soken, Inc., DENSO CORPORATIONInventors: Masayoshi Satake, Hiroyuki Mori, Hajime Nakagawa
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Patent number: 8599004Abstract: An occupant detection system including an electrostatic sensor, a determination section and a heater is disclosed. The electrostatic sensor includes an electrode arranged inside a seat of a vehicle and configured to generate a weak electric field. The electrostatic sensor outputs an output value associated with the weak electric field. The determination section supplies voltage to the electrode, and performs an occupant determination to determine an occupant on the seat based on the output value of the electrostatic sensor. The heater is inside the seat, and is arranged in parallel with or on a lower side of the electrode. Before performing the occupant determination, the determinations section determines whether or not the heater has a disconnection fault based on the output value of the electrostatic sensor.Type: GrantFiled: December 22, 2011Date of Patent: December 3, 2013Assignee: Denso CorporationInventor: Hajime Nakagawa
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Publication number: 20130241577Abstract: A capacitance type sensor includes a sensor body part having a first detection electrode and a second detection electrode, which are arranged to face a detection object. The first detection electrode and the second detection electrode are arranged in a partially overlapping manner to form an overlap section. An area size of the overlap section between the first detection electrode and the second detection electrode decreases when the sensor body part deforms from a pressure exerted onto the sensor body part, in comparison to the area size of the overlap section when the sensor body part is in a normal state without deformation.Type: ApplicationFiled: March 11, 2013Publication date: September 19, 2013Applicant: DENSO CORPORATIONInventors: Masayoshi Satake, Hiroyuki Mori, Noboru Maeda, Hajime Nakagawa
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Publication number: 20130241578Abstract: A capacitance type sensor includes a detection electrode, a reference electrode, and a sub-reference electrode for distinguishingly detecting a detection object. The sub-reference electrode has a reference voltage applied thereto and is displaceable relative to the detection electrode due to a pressure exerted from the detection object. A voltage application device applies a detection voltage to form an electric field in a space defined with the reference electrode device. A capacitance detector of the sensor detects a first capacitance and a second capacitance, and a detection unit of the sensor distinguishingly detects the detection object based on the first capacitance and the second capacitance. The first capacitance is measured between the detection electrode and the reference electrode, and the second capacitance is measured between the detection electrode and the sub-reference electrode.Type: ApplicationFiled: March 11, 2013Publication date: September 19, 2013Applicant: DENSO CORPORATIONInventors: Masayoshi Satake, Hiroyuki Mori, Hajime Nakagawa