Patents by Inventor Takuya Nezaki
Takuya Nezaki 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).
-
Patent number: 11590928Abstract: A control device for a seat belt of a vehicle includes a retracting unit configured to retract the seat belt, a departure detection unit configured to detect a departure of the vehicle from a lane; a vehicle speed sensor configured to measure a vehicle speed; and an electronic control unit configured to operate the retracting unit when both a first condition and a second condition are satisfied. The first condition is a condition that the departure detection unit detects the departure of the vehicle from the lane, and the second condition is a condition that the vehicle speed is equal to or higher than a prescribed speed, and the electronic control unit is configured not to operate the retracting unit when the first condition is satisfied and the second condition is not satisfied.Type: GrantFiled: October 10, 2019Date of Patent: February 28, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Nezaki, Motoki Sugiyama, Fumihito Komeno
-
Patent number: 11364873Abstract: A control device for a vehicle seat belt, includes: a retraction unit that is configured to retract a seat belt through use of a driving force of a motor and to stop retracting the seat belt when the motor is stopped from being driven; an acceleration measurement unit that is configured to measure an acceleration of a vehicle; a state detection unit that is configured to detect whether or not the vehicle is in a stable state while running; and a control unit that is configured to stop driving the motor when the acceleration measured by the acceleration measurement unit during driving of the motor has remained lower than a first set acceleration for at least a first set time and the vehicle has remained in the stable state detected by the state detection unit for at least a second set time.Type: GrantFiled: August 22, 2019Date of Patent: June 21, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Nezaki, Koki Hayakawa, Motoki Sugiyama, Fumihito Komeno
-
Patent number: 11235722Abstract: A seatbelt system includes a take-up device configured to take up a seatbelt, and an electronic control unit configured to, when any one of first and second conditions is satisfied, cause a motor to take up the seatbelt. In the first condition, after occurrence of a collision whose physical quantity detected by a detector configured to detect the physical quantity associated with a magnitude of the collision is less than or equal to a first threshold, the physical quantity decreases to less than or equal to a second threshold. In the second condition, after occurrence of a collision whose physical quantity is less than or equal to the first threshold, a first predetermined time elapses, which is estimated to be equivalent to a decrease in the physical quantity to less than or equal to the second threshold.Type: GrantFiled: October 9, 2019Date of Patent: February 1, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Nezaki, Motoki Sugiyama, Fumihito Komeno
-
Patent number: 11198414Abstract: An occupant restraint system for a vehicle includes: a seat belt device configured w restrain an occupant seated on a vehicular seat with a webbing, in which one end of the webbing is wound around a winding device and the other end is fixed to one of the vehicular seat and a vehicle body, and the seat belt device is configured so that a motor provided in the winding device is driven to wind the webbing; and an electronic control unit configured to drive the motor so that a prescribed amount of the webbing is wound, when a first condition is satisfied.Type: GrantFiled: October 10, 2019Date of Patent: December 14, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya Nezaki, Motoki Sugiyama, Fumihito Komeno, Makoto Matsuzaki, Kenji Fukuta
-
Patent number: 10668895Abstract: A variable force limiter control system for a vehicle includes a variable force limiter mechanism, a relative speed sensor, an acceleration sensor and an electronic control unit. The variable force limiter mechanism is configured to change a force limiter load. The relative speed sensor is configured to detect a relative speed of the vehicle with respect to a collision object before a collision. The acceleration sensor is configured to detect an acceleration of the vehicle. The electronic control unit is configured to predict a severity of a collision on the basis of at least the relative speed. The electronic control unit is configured to control the force limiter load on the basis of both the predicted severity and the acceleration in an initial stage of the collision of the vehicle.Type: GrantFiled: February 6, 2018Date of Patent: June 2, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Jiro Ohachi, Takuya Nezaki, Takashi Hasegawa, Katsunori Yamada, Mitsuaki Gotoh, Makoto Aki, Yusuke Mase, Takashi Fujinami
-
Publication number: 20200130642Abstract: A control device for a vehicle seat belt, includes: a retraction unit that is configured to retract a seat belt through use of a driving force of a motor and to stop retracting the seat belt when the motor is stopped from being driven; an acceleration measurement unit that is configured to measure an acceleration of a vehicle; a state detection unit that is configured to detect whether or not the vehicle is in a stable state while running; and a control unit that is configured to stop driving the motor when the acceleration measured by the acceleration measurement unit during driving of the motor has remained lower than a first set acceleration for at least a first set time and the vehicle has remained in the stable state detected by the state detection unit for at least a second set time.Type: ApplicationFiled: August 22, 2019Publication date: April 30, 2020Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takuya Nezaki, Koki Hayakawa, Motoki Sugiyama, Fumihito Komeno
-
Publication number: 20200114866Abstract: An occupant restraint system for a vehicle includes: a seat belt device configured w restrain an occupant seated on a vehicular seat with a webbing, in which one end of the webbing is wound around a winding device and the other end is fixed to one of the vehicular seat and a vehicle body, and the seat belt device is configured so that a motor provided in the winding device is driven to wind the webbing; and an electronic control unit configured to drive the motor so that a prescribed amount of the webbing is wound, when a first condition is satisfied.Type: ApplicationFiled: October 10, 2019Publication date: April 16, 2020Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takuya Nezaki, Motoki Sugiyama, Fumihito Komeno, Makoto Matsuzaki, Kenji Fukuta
-
Publication number: 20200114853Abstract: A seatbelt system includes a take-up device configured to take up a seatbelt, and an electronic control unit configured to, when any one of first and second conditions is satisfied, cause a motor to take up the seatbelt. In the first condition, after occurrence of a collision whose physical quantity detected by a detector configured to detect the physical quantity associated with a magnitude of the collision is less than or equal to a first threshold, the physical quantity decreases to less than or equal to a second threshold. In the second condition, after occurrence, of a collision whose physical quantity is less than or equal to the first threshold, a first predetermined time elapses, which is estimated to be equivalent to a decrease in the physical quantity to less than or equal to the second threshold.Type: ApplicationFiled: October 9, 2019Publication date: April 16, 2020Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takuya Nezaki, Motoki Sugiyama, Fumihito Komeno
-
Publication number: 20200114865Abstract: A control device for a seat belt of a vehicle includes a retracting unit configured to retract the seat belt, a departure detection unit configured to detect a departure of the vehicle from a lane; a vehicle speed sensor configured to measure a vehicle speed; and an electronic control unit configured to operate the retracting unit when both a first condition and a second condition are satisfied. The first condition is a condition that the departure detection unit detects the departure of the vehicle from the lane, and the second condition is a condition that the vehicle speed is equal to or higher than a prescribed speed, and the electronic control unit is configured not to operate the retracting unit when the first condition is satisfied and the second condition is not satisfied.Type: ApplicationFiled: October 10, 2019Publication date: April 16, 2020Applicant: Toyota Jidosha Kabushiki KaishaInventors: Takuya Nezaki, Motoki Sugiyama, Fumihito Komeno
-
Patent number: 10293776Abstract: There is provided a vehicle curtain airbag device including: an inflator; a curtain airbag; a rear seat side impact chamber; a front chamber; and a protective cloth that is configured separately from the curtain airbag, is anchored to at least an upper edge side of the curtain airbag, is disposed ranging from a vehicle width direction inner surface of a front portion of the rear seat side impact chamber to a vehicle width direction inner surface of a rear portion of the front chamber, in the completely deployed state of the curtain airbag, and covers, from a vehicle width direction inner side, a recess portion that has different heights in a bag thickness direction and that is formed between the front portion of the rear seat side impact chamber and the rear portion of the front chamber.Type: GrantFiled: September 20, 2017Date of Patent: May 21, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mitsuyoshi Ohno, Koji Toida, Takuya Nezaki, Junji Ohashi, Yusuke Hayashi
-
Publication number: 20190071044Abstract: A seatbelt control device includes: a first driving circuit that is configured to drive a motor of a motorized seat belt at a driver seat of a vehicle; a second driving circuit that is configured to drive a motor of a motorized seatbelt at a front passenger seat of the vehicle and a motor of a motorized seatbelt at a rear seat of the vehicle; and a control section that is configured to control the first driving circuit and the second driving circuit in accordance with input signals.Type: ApplicationFiled: August 20, 2018Publication date: March 7, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takuya NEZAKI, Motoki SUGIYAMA
-
Publication number: 20180236971Abstract: A variable force limiter control system for a vehicle includes a variable force limiter mechanism, a relative speed sensor, an acceleration sensor and an electronic control unit. The variable force limiter mechanism is configured to change a force limiter load. The relative speed sensor is configured to detect a relative speed of the vehicle with respect to a collision object before a collision. The acceleration sensor is configured to detect an acceleration of the vehicle. The electronic control unit is configured to predict a severity of a collision on the basis of at least the relative speed. The electronic control unit is configured to control the force limiter load on the basis of both the predicted severity and the acceleration in an initial stage of the collision of the vehicle.Type: ApplicationFiled: February 6, 2018Publication date: August 23, 2018Inventors: Jiro OHACHI, Takuya NEZAKI, Takashi HASEGAWA, Katsunori YAMADA, Mitsuaki GOTOH, Makoto AKI, Yusuke MASE, Takashi FUJINAMI
-
Publication number: 20180099634Abstract: There is provided a vehicle curtain airbag device including: an inflator; a curtain airbag; a rear seat side impact chamber; a front chamber; and a protective cloth that is configured separately from the curtain airbag, is anchored to at least an upper edge side of the curtain airbag, is disposed ranging from a vehicle width direction inner surface of a front portion of the rear seat side impact chamber to a vehicle width direction inner surface of a rear portion of the front chamber, in the completely deployed state of the curtain airbag, and covers, from a vehicle width direction inner side, a recess portion that has different heights in a bag thickness direction and that is formed between the front portion of the rear seat side impact chamber and the rear portion of the front chamber.Type: ApplicationFiled: September 20, 2017Publication date: April 12, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mitsuyoshi OHNO, Koji TOIDA, Takuya NEZAKI, Junji OHASHI, Yusuke HAYASHI
-
Patent number: 9669796Abstract: In a four-point seatbelt device including a three-point seatbelt and an automatic belt, the automatic belt is actuated to dispose an anchor at a standby position after the three-point seatbelt has been placed over an occupant. During this operation, the anchor is disposed further to a rear side than a field of vision of the occupant facing toward a front side, for example, and a second webbing is placed in standby in an unrestrained state with respect to the occupant. Moreover, in a case in which a vehicle collision has been predicted by a PCS control section, the automatic belt is actuated to place the second webbing over the occupant automatically.Type: GrantFiled: July 8, 2016Date of Patent: June 6, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mitsuyoshi Ohno, Takuya Nezaki
-
Publication number: 20170028965Abstract: In a four-point seatbelt device including a three-point seatbelt and an automatic belt, the automatic belt is actuated to dispose an anchor at a standby position after the three-point seatbelt has been placed over an occupant. During this operation, the anchor is disposed further to a rear side than a field of vision of the occupant facing toward a front side, for example, and a second webbing is placed in standby in an unrestrained state with respect to the occupant. Moreover, in a case in which a vehicle collision has been predicted by a PCS control section, the automatic belt is actuated to place the second webbing over the occupant automatically.Type: ApplicationFiled: July 8, 2016Publication date: February 2, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mitsuyoshi OHNO, Takuya NEZAKI
-
Patent number: 8246077Abstract: An occupant restraining device for a vehicle that can regulate a position of a seat belt, without occupying vehicle cabin space. An air belt device includes a retractor that is arranged to the rear, in a vehicle front-rear direction, with respect to a seat back, a seat belt that is pulled out from the retractor when applied to an occupant and that includes a shoulder belt portion for restraining an upper body of the occupant, and a belt insertion portion that is formed by indenting a portion, in a seat width direction, of an upper end of the seat back, and into which an upper side portion of the shoulder belt portion of the seat belt is made to enter.Type: GrantFiled: May 21, 2009Date of Patent: August 21, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventor: Takuya Nezaki
-
Patent number: 8226115Abstract: An objective is to inflate an inflation portion to an upward position, corresponding with a temple area of an occupant, at the time of a side impact. At a shoulder portion of a seatback 26 of a vehicle seat 12, there is an inflation-time cross-sectional shape regulation component 22, through which an occupant restraint webbing 16 passes. The occupant restraint webbing 16 has an inflation portion 18 that corresponds with a cephalic region 14H of an occupant 14 at the time of inflation. At the time of inflation of the inflation portion 18, the inflation-time cross-sectional shape regulation component 22 regulates such that a cross-sectional shape of the inflation portion 18 is an oblong shape which is long in a vertical direction.Type: GrantFiled: February 5, 2007Date of Patent: July 24, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Makoto Sekizuka, Takuya Nezaki, Atsushi Hiroshige
-
Patent number: 8104790Abstract: A vehicular occupant restraint system including: a four-point seatbelt system having left and right webbings for restraining an occupant, each of the left and right webbings having an upper body restraining portion that restrains the upper body of the occupant; a left first inflating portion which is provided on the upper body restraining portion of the left webbing and which inflates by receiving a gas supply and deploys in front of the upper body of the occupant, and a right first inflating portion which is provided on the upper body restraining portion of the right webbing and which inflates by receiving a gas supply and deploys in front of the upper body of the occupant; and a second inflating portion which inflates by receiving a gas supply when the first inflating portions inflate, and deploys to support the first inflating portions from the outside in the seat width direction.Type: GrantFiled: August 3, 2009Date of Patent: January 31, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventor: Takuya Nezaki
-
Patent number: 8066303Abstract: A vehicle occupant restraint system includes: a lap belt that restrains a hip of a seated occupant; a shoulder belt that has a lower end portion coupled to a middle portion of the lap belt in a seat width direction and that is used to restrain an upper body of the seated occupant; a lap belt tensioner that applies tension to the lap belt; and a shoulder belt tensioner that applies tension to the shoulder belt. When a vehicle collision is predicted or detected, the lap belt tensioner is activated before the shoulder belt tensioner is activated.Type: GrantFiled: December 16, 2009Date of Patent: November 29, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventor: Takuya Nezaki
-
Patent number: 8038170Abstract: A vehicle occupant restraint apparatus includes a four-point seat belt that has a pair of right and left shoulder webbings; and air belt portions that are respectively provided for the pair of right and left shoulder webbings. The air belt portions receive gas supplied from an inflator and then deploy so as to restrain a head H of an occupant P from moving forward in the vehicle longitudinal direction.Type: GrantFiled: January 9, 2009Date of Patent: October 18, 2011Assignee: Toyota Jidosha Kabushiki KaishaInventors: Mutsumu Haraoka, Takuya Nezaki