Patents Assigned to Furukawa Automotive Systems Inc.
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Patent number: 12221018Abstract: Provided is a cable take-up device for a flexible flat cable routed for a slide seat slidably supported so as to be movable forward and backward along a fixed rail fixed to the vehicle cabin floor. The cable take-up device includes: a take-up housing part that takes up a housed portion in a drawable manner and houses it inside with a front end portion fixed to a rail front end portion and a rear end portion fixed to the slide seat; a take-up force generation part that generates a take-up force in a direction of take-up of the housed portion through drawing of the cable routing body; and a slit that applies the take-up force of the take-up force generation part to the housed portion.Type: GrantFiled: September 19, 2022Date of Patent: February 11, 2025Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventor: Masahiro Okumura
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Patent number: 12191643Abstract: Provided are a joining structure, a joining method, an exterior body for a wire harness, and a wire harness capable of firmly joining members having different physical properties while reducing the thickness of a joint part. The joining structure 10 joins a first member 1 made of a first resin and a second member 2 made of a second resin, wherein: the second resin has physical properties having a higher foaming ratio than the first resin; and a recessed joint part 3 is provided which reaches at least the inside of the first member 1 from the outer surface side of the second member in a state in which the first member 1 and the second member 2 are superimposed.Type: GrantFiled: September 13, 2022Date of Patent: January 7, 2025Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Hiroshi Suyama, Takashi Oshino, Naoyuki Kojima
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Patent number: 12189023Abstract: A radar apparatus includes a first radar apparatus that transmits and receives a signal with a first frequency and has a first detection area, and a second radar apparatus that transmits and receives a signal with a second frequency different from the first frequency and has a second detection area different from the first detection area. The first radar apparatus and the second radar apparatus are arranged on a vehicle such that the first detection area and the second detection area partially overlap with each other. The second radar apparatus generates second information. The first radar apparatus generates first information, performs arithmetic integration processing based on the first information and the second information to generate integrated information, and transmits the integrated information to a higher-level apparatus.Type: GrantFiled: March 18, 2021Date of Patent: January 7, 2025Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Satoshi Otowa, Yasushi Aoyagi
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Publication number: 20240429644Abstract: The object is to provide a connector and a connector connection structure that, even if an electric wire is vibrated, may suppress influence of the vibration. A housing 22, 23 includes an insertion cylinder 221, 231 in communication with a main body 222, 232 and having a high-voltage electric wire 201 inserted thereinto. An electric wire retaining portion 28 provided on the harness insertion outer cylinder 231 and retaining the high-voltage electric wire 201 has an electric wire insertion hole 281 retaining the high-voltage electric wire 201 inserted thereinto, and further includes a securing-side retaining portion 282 provided on the harness insertion outer cylinder 231 and having securing-side arcked grooves 281a, and an attachment retaining portion 283 having attachment-side arcked grooves 281b and attached to the securing-side retaining portion 282.Type: ApplicationFiled: September 4, 2024Publication date: December 26, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Tomoaki TANIGAWA, Takayuki HIGUCHI, Takeshi WATANABE
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Publication number: 20240421624Abstract: A battery control monitoring system includes discharge circuitry, controller circuitry, and fixation monitoring circuitry. The discharge circuitry is configured to execute forced discharge of a rechargeable battery. The controller circuitry is electrically connected to the discharge circuitry and is configured to control the forced discharge executed by the discharge circuitry using a control signal. The fixation monitoring circuitry is electrically connected to the controller circuitry and is configured to monitor signal fixation.Type: ApplicationFiled: August 29, 2024Publication date: December 19, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Hiroshi KOJIMA, Takahiro KOGA, Shinji KAWARAGI
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Publication number: 20240413559Abstract: A female terminal includes a terminal body including a base portion to be connected to the electric wire and a spring member to be attached to the base portion. The base portion includes a pair of side walls disposed at a predetermined interval into which a male terminal can be inserted, the spring member includes an inner plate along at least an inner side surface of each of the side walls and an arm spring extending from the inner plate toward the side wall facing the inner plate, and the side wall and the flange plate are welded to form a welded portion. A fulcrum portion of the arm spring abutting the side wall is provided between the welded portion and a contact portion abutting the male terminal.Type: ApplicationFiled: July 26, 2022Publication date: December 12, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS, INC.Inventors: Takuro YAMADA, Takeshi WATANABE, Tomoaki TANIGAWA, Mitsuko ADACHI, Ryosuke NISHII, Junya TAKESHITA, Takahiro IMAMURA
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Patent number: 12160075Abstract: A flat cable assembly for a rotary connector device includes a first lead block, a first flat cable, and a second flat cable. The first lead block includes a first lead block body and a first conductor that includes a first exposure surface exposed from the first lead block body and is attached to the first lead block body. The first flat cable includes a first cable end portion connected to the first exposure surface so as to extend from the first exposure surface in a first direction. The second flat cable includes a second cable end portion connected to the first exposure surface so as to extend from the first exposure surface in a second direction, which is different from the first direction.Type: GrantFiled: February 25, 2022Date of Patent: December 3, 2024Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoji Tajiri, Yoshihiro Shiotani, Hirofumi Utsunomiya
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Patent number: 12151606Abstract: A cancel cam includes an annular member, a cam wall, and at least one reinforcing rib. The annular member is rotatable integrally with a steering shaft about a rotation axis and includes an outer peripheral portion, an inner peripheral portion, and a first surface. The cam wall extends from the outer peripheral portion in an axial direction and extends along the outer peripheral portion in a circumferential direction. The at least one reinforcing rib extends from the cam wall toward the inner peripheral portion and couples the cam wall to the annular member. The cam wall has a first axial length defined from the first surface in the axial direction. The inner peripheral portion has a second axial length defined from the first surface in the axial direction. The second axial length is shorter than the first axial length.Type: GrantFiled: August 25, 2022Date of Patent: November 26, 2024Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventor: Yoji Tajiri
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Publication number: 20240372281Abstract: An electrical contact material includes an electroconductive substrate, and a silver-containing layer including silver provided to at least part of a surface of the electroconductive substrate. An average CI value of the silver-containing layer is 0.6 or more in a cross section of the electrical contact material.Type: ApplicationFiled: March 10, 2023Publication date: November 7, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoshitane TORII, Shuichi KITAGAWA, Soki KUZUHARA
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Publication number: 20240364032Abstract: An electrical contact material includes an electroconductive substrate, and a silver-containing layer including silver provided to at least part of a surface of the electroconductive substrate. An average KAM value of the silver-containing layer is 0.20° or more and 2.00° or less in a cross section of the electrical contact material.Type: ApplicationFiled: March 10, 2023Publication date: October 31, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoshitane TORII, Shuichi KITAGAWA, Soki KUZUHARA
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Publication number: 20240356293Abstract: A rotary connector device includes a stator, a rotator, and a cable holder. The rotator includes a rotator-side connector detachably connectable to a harness connector provided to an end portion of a cable of a wire harness. The rotator is provided rotatably relative to the stator about a rotational axis. The cable holder is provided to the rotator to hold the cable in a state where the harness connector is connected to the rotator-side connector.Type: ApplicationFiled: July 3, 2024Publication date: October 24, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoji TAJIRI, Yukihiro KAWAMURA, Yoshiyuki SUZUKI, Hayato ARAKAWA, Takahisa KAKUDO, Shinichi HAMASAKI
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Publication number: 20240321474Abstract: An electrical contact material includes an electroconductive substrate, and a silver-containing layer including silver provided to at least part of a surface of the electroconductive substrate. An average GOS value of the silver-containing layer is 1.00° or less and a proportion of KAM value of 1.00° or more in the silver-containing layer is 20% or more in a cross section of the electrical contact material.Type: ApplicationFiled: March 10, 2023Publication date: September 26, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Yoshitane TORII, Shuichi KITAGAWA, Soki KUZUHARA
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Publication number: 20240310451Abstract: A battery state detection device includes a sensor, communicator circuitry, and estimator circuitry. The sensor is configured to measure at least one of a voltage, a current, and a temperature of a rechargeable battery installed to a vehicle. The communicator circuitry is configured to obtain reference information relating to battery state detection from an external device. The estimator circuitry is configured to estimate a state of the rechargeable battery based on a measured value of the sensor. The estimator circuitry is configured to correct at least one of an estimation equation and a parameter based on the reference information.Type: ApplicationFiled: May 24, 2024Publication date: September 19, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Takahiro IMAMURA, Kiyoshi INOUE, Minoru ASANO, Atsushi UOTSU, Tetsuya UEDA, Katsuyoshi SATO
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Publication number: 20240275105Abstract: A harness-side connector includes a retaining portion main body having a harness-side terminal disposed therein, a shell main body, a harness insertion cylinder and a harness insertion outer cylinder. A retainer outserted over a portion, of a high-voltage electric wire that is inserted into the harness insertion cylinder and the harness insertion outer cylinder, to be secured is provided. The retainer includes a retainer securing portion inserted into the harness insertion outer cylinder to be secured, and an electric wire retaining portion protruding from the harness insertion outer cylinder and retaining the high-voltage electric wire. The electric wire retaining portion includes a securing-side retaining portion integrally formed with the retainer securing portion, and an attachment retaining portion attached to the securing-side retaining portion.Type: ApplicationFiled: April 24, 2024Publication date: August 15, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Takayuki HIGUCHI, Takeshi WATANABE, Tomoaki TANIGAWA, Sota KAMON, Takuto WADA
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Patent number: 12061241Abstract: A rechargeable battery short-circuit early detection device that detects a short-circuit in a rechargeable battery includes one or more processors connected to a current sensor that detects a charging current of the rechargeable battery, wherein the one or more processors are programmed to: if a detected temporal slope of the charging current exceeds a first threshold, determine that there is a possibility that a short circuit has occurred in at least one of the cells; detect anew a temporal slope of the charging current after a prescribed period of time has elapsed since the determination of said possibility; and thereafter, if the anew detected temporal slope of the charging current exceeds a second threshold that is greater than the first threshold, determine that there is a possibility that the short-circuit is progressing, and output a signal indicating said possibility.Type: GrantFiled: February 1, 2023Date of Patent: August 13, 2024Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Naotaka Uchino, Etsuzo Sato
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Publication number: 20240258718Abstract: A female terminal, a female connector, a terminal-attached electric wire, a connector-attached electric wire, and a wire harness can prevent a welded portion from being damaged when a conductor of an electric wire is connected by ultrasonic welding to an electric wire connection portion of a female terminal with a base portion and a spring member welded together. A female terminal includes an electric wire connection portion with a conductor of an electric wire connected by ultrasonic welding, and a terminal connection portion with a male terminal connected. The terminal connection portion includes a base portion having a pair of side walls with a connection blade of a male terminal inserted therebetween, and a spring member attached to the base portion, the spring member includes a laying plate along the side walls and an arm spring, the side walls and the laying plate are welded at an endless welded portion.Type: ApplicationFiled: April 11, 2024Publication date: August 1, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Takuro YAMADA, Takeshi WATANABE, Tomoaki TANIGAWA, Mitsuko ADACHI, Ryosuke NISHII
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Publication number: 20240204442Abstract: A lead block for a rotary connector device includes a plurality of connection pins and a pin holder. The plurality of connection pins is arranged at intervals in an arrangement direction. The pin holder holds the plurality of connection pins. The plurality of connection pins protrudes from the pin holder in a protruding direction perpendicular to the arrangement direction. The pin holder includes an inclined surface inclined relative to the protruding direction.Type: ApplicationFiled: March 1, 2024Publication date: June 20, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Shinichi HAMASAKI, Masahiro ZARUHATA, Yoji TAJIRI, Yoshiyuki SUZUKI
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Patent number: 11977146Abstract: To provide a radar device capable of detecting a position of a target in a direction orthogonal to a viewing angle. In a radar device which detects a target by using a radio wave, the radar device includes: a receiving array antenna (receiving array antenna 17) where a plurality of receiving antenna elements (first receiving antenna 17-1 to eighth receiving antenna 17-8) each having a predetermined length in a first direction are arranged to be disposed in a second direction almost orthogonal to the first direction; a dispersion part (dispersion part 31) which is disposed in a vicinity of the receiving array antenna, and dispersion properties of the radio wave change with respect to the first direction; and a detection part (control and process part 15) which detects the position of the target in the first direction based on the radio wave reflected by the dispersion part.Type: GrantFiled: February 22, 2018Date of Patent: May 7, 2024Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Taishi Kagimoto, Hiroyuki Kobayashi, Takeo Okaniwa, Tadataka Wakabishi, Sadao Matsushima
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Patent number: 11971453Abstract: A battery state detection device including a battery post terminal, a case accommodating a circuit board including a current sensing circuit that senses a current by being electrically connected to the battery post terminal, and a harness connection part provided on the case, the harness connection part being capable of having a harness connected thereto, in which the battery post terminal includes a holding part held on one of faces of the case, and an insert part provided in a region from the holding part along a face adjacent to the one of the faces of the case, the battery post terminal contacts the case via at least two faces, the two faces including the one of the faces and the face adjacent to the one of the faces, and the case includes a fitting part, the fitting part being adapted to fit around the insert part by accommodating the insert part.Type: GrantFiled: September 24, 2021Date of Patent: April 30, 2024Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Jun Iwasaki, Ryosuke Takahashi, Kazuya Kato, Keita Saji, Ryusuke Kakoi
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Publication number: 20240113485Abstract: A rotary connector device includes a stator, a rotator, an electrical cable, an electrical connector, and a connector coupling portion. The stator includes a first stator and a second stator. The connector coupling portion is configured to couple the electrical connector to the first stator. The connector coupling portion is configured to support the electrical connector in a cantilever manner with respect to the first stator such that a second surface becomes a free end in a state where the electrical connector is positioned in a first position and where the second stator is detached from the first stator.Type: ApplicationFiled: December 14, 2023Publication date: April 4, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Satoshi KITAO, Tomohiro KITAMURA, Kenji YOSHIMURA