Patents by Inventor Yusuke Kiyokawa
Yusuke Kiyokawa 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).
-
Publication number: 20240075737Abstract: In a state where a distance from an ejection port surface of an ejection head to a predetermined position corresponds to a first distance, a period detection unit detects a first period from when ejection of a droplet from an ejection port is started until when a droplet detection unit detects the droplet, and in a state where the distance from the ejection port surface of the ejection head to the predetermined position is changed to a second distance by a change unit, the period detection unit detects a second period from when ejection of a droplet from the ejection port is started until when the droplet detection unit detects the droplet, the second distance being different from the first distance. A calculation unit calculates an ejection speed of the droplet, based on the first distance, the second distance, the first period, and the second period.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Inventors: Yusuke Kiyokawa, Masashi Negishi
-
Patent number: 11904840Abstract: A parking assistance device includes: a calculation unit that calculates a target speed with passage of time until a vehicle is moved to a parking target position; an event detection unit that detects an event that is a predetermined event indicating a timing of recalculation of the target speed; and an acquisition unit that acquires a current actual speed of the vehicle. Then, when the event is detected, the calculation unit recalculates the target speed to match the target speed with the current actual speed of the vehicle.Type: GrantFiled: October 8, 2020Date of Patent: February 20, 2024Assignee: AISIN CORPORATIONInventors: Kazuma Iwazawa, Hiroki Inagaki, Hiroyuki Tachibana, Yuichi Mizutani, Yusuke Kiyokawa, Motokatsu Tomozawa, Yoshihiko Kosegaki, Akihiro Omura
-
Patent number: 11840077Abstract: In a state where a distance from an ejection port surface of an ejection head to a predetermined position corresponds to a first distance, a period detection unit detects a first period from when ejection of a droplet from an ejection port is started until when a droplet detection unit detects the droplet, and in a state where the distance from the ejection port surface of the ejection head to the predetermined position is changed to a second distance by a change unit, the period detection unit detects a second period from when ejection of a droplet from the ejection port is started until when the droplet detection unit detects the droplet, the second distance being different from the first distance. A calculation unit calculates an ejection speed of the droplet, based on the first distance, the second distance, the first period, and the second period.Type: GrantFiled: May 17, 2021Date of Patent: December 12, 2023Assignee: Canon Kabushiki KaishaInventors: Yusuke Kiyokawa, Masashi Negishi
-
Publication number: 20230391072Abstract: A printing apparatus includes: a printing head including a plurality of nozzles each configured to discharge a liquid droplet; a detection unit configured to detect the discharge of the liquid droplet by using a light beam emitted in a position facing the printing head; and a control unit configured to inspect whether discharge states of the nozzles are normal or abnormal based on a result of the detection by the detection unit. The control unit drives the nozzles on a per-nozzle group basis, each nozzle group including at least two or more nozzles and determines a discharge state on the per-nozzle group basis.Type: ApplicationFiled: May 16, 2023Publication date: December 7, 2023Inventors: MIDORI YASUDA, YUSUKE KIYOKAWA, NAOKI UCHIDA
-
Publication number: 20230391076Abstract: An embodiment of the present invention is a printing apparatus including: a print head including a plurality of nozzles configured to eject droplets onto a print medium; a control unit configured to control driving of each of the plurality of nozzles to eject the droplets; and an inspection unit configured to inspect whether or not each of the plurality of nozzles is able to eject the droplets normally by driving the print head by the control unit, wherein in a case where the inspection unit inspects one target nozzle among the plurality of nozzles, the control unit drives the target nozzle and one or more neighboring nozzles arranged near the target nozzle.Type: ApplicationFiled: May 24, 2023Publication date: December 7, 2023Inventors: MASASHI NEGISHI, YUSUKE KIYOKAWA
-
Patent number: 11752771Abstract: A discharge head includes an orifice surface in which orifices each configured to discharge a droplet are arrayed in a predetermined direction. A detecting unit includes a light emitting element and a light receiving element, and optically detects a droplet discharged from the orifice. A suppression unit is arranged between the light emitting element and the orifice surface, and suppresses the light emitted from the light emitting element from reaching the orifice surface by shielding at least some rays of the light which are emitted from the light emitting element and would otherwise propagate to the orifice surface.Type: GrantFiled: July 14, 2021Date of Patent: September 12, 2023Assignee: Canon Kabushiki KaishaInventor: Yusuke Kiyokawa
-
Publication number: 20230093819Abstract: A parking assistance device includes an obstacle detection unit configured to detect an obstacle around a vehicle, a boundary detection unit configured to detect a boundary of a parking section, and a target position determination unit configured to determine a target position of a movement route of the vehicle based on the detected boundary. The target position determination unit recognizes, as a wheel stopper, the obstacle detected in a detection area that is set at a position in the parking section on a back side of an entrance and exit of the parking section based on the detected boundary, regardless of a height of the obstacle.Type: ApplicationFiled: September 27, 2022Publication date: March 30, 2023Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki INAGAKI, Yusuke Kiyokawa, Norio Imai, Takuya Nakagawa, Motonari Obayashi
-
Publication number: 20220097686Abstract: A parking assistance device includes a central processing unit. The central processing unit detects the size of a parking space. The central processing unit sets the size of an extra space to be secured at a minimum between a vehicle and an object around the parking space while changing that size according to the detected size of the parking space. Based on the set size of the extra space, the central processing unit provides assistance in parking the vehicle into the parking space.Type: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yusuke KIYOKAWA, Norio IMAI, Yuki MINASE, Takuya NAKAGAWA
-
Publication number: 20220016889Abstract: A discharge head includes an orifice surface in which orifices each configured to discharge a droplet are arrayed in a predetermined direction. A detecting unit includes a light emitting element and a light receiving element, and optically detects a droplet discharged from the orifice. A suppression unit is arranged between the light emitting element and the orifice surface, and suppresses the light emitted from the light emitting element from reaching the orifice surface by shielding at least some rays of the light which is emitted from the light emitting element and propagates to the orifice surface.Type: ApplicationFiled: July 14, 2021Publication date: January 20, 2022Inventor: Yusuke Kiyokawa
-
Publication number: 20210362493Abstract: In a state where a distance from an ejection port surface of an ejection head to a predetermined position corresponds to a first distance, a period detection unit detects a first period from when ejection of a droplet from an ejection port is started until when a droplet detection unit detects the droplet, and in a state where the distance from the ejection port surface of the ejection head to the predetermined position is changed to a second distance by a change unit, the period detection unit detects a second period from when ejection of a droplet from the ejection port is started until when the droplet detection unit detects the droplet, the second distance being different from the first distance. A calculation unit calculates an ejection speed of the droplet, based on the first distance, the second distance, the first period, and the second period.Type: ApplicationFiled: May 17, 2021Publication date: November 25, 2021Inventors: Yusuke Kiyokawa, Masashi Negishi
-
Publication number: 20210107454Abstract: A parking assistance device includes: a calculation unit that calculates a target speed with passage of time until a vehicle is moved to a parking target position; an event detection unit that detects an event that is a predetermined event indicating a timing of recalculation of the target speed; and an acquisition unit that acquires a current actual speed of the vehicle. Then, when the event is detected, the calculation unit recalculates the target speed to match the target speed with the current actual speed of the vehicle.Type: ApplicationFiled: October 8, 2020Publication date: April 15, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Kazuma IWAZAWA, Hiroki INAGAKI, Hiroyuki TACHIBANA, Yuichi MIZUTANI, Yusuke KIYOKAWA, Motokatsu TOMOZAWA, Yoshihiko KOSEGAKI, Akihiro OMURA
-
Patent number: 10800404Abstract: A vehicle traveling assistance apparatus includes: a creation unit configured to create a first route, which is a route along which a vehicle moves from a first position to a second position and in which the vehicle stops to perform stationary steering in a middle of the route and then moves to the second position; and a controller configured to cause the vehicle to travel along the created first route.Type: GrantFiled: March 13, 2018Date of Patent: October 13, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Masaya Kato, Motokatsu Tomozawa, Yusuke Kiyokawa
-
Patent number: 10752238Abstract: A parking assistance device includes: an obstacle detection unit that detects an obstacle; a separated distance determination unit that determines a separated distance between the obstacles when a plurality of the obstacles are detected; a target position determination unit that determines a target position in a guidance route; a route calculation unit that calculates the guidance route; and a control unit that guides a vehicle in accordance with the guidance route, wherein, when a second obstacle is detected in a second direction orthogonal to a first direction in which one or plurality of first obstacles extends or are lined up while being separated from each other and at a position separated from the first direction, the separated distance determination unit determines the separated distance between the first and second obstacles.Type: GrantFiled: July 29, 2016Date of Patent: August 25, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventor: Yusuke Kiyokawa
-
Patent number: 10676081Abstract: A driving control apparatus includes: a movement control unit that controls movement of a vehicle in accordance with a first movement path indicating a movement trajectory to a first target position that is a movement destination of the vehicle; and a movement path calculating unit that calculates a second movement path as a movement path to a second target position from a position after the vehicle moves from a current position of the vehicle for a predetermined period of time along the first movement path, wherein the movement control unit controls movement of the vehicle to the second target position in accordance with the second movement path after causing the vehicle to move along the first movement path for the predetermined period of time.Type: GrantFiled: March 6, 2018Date of Patent: June 9, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Motokatsu Tomozawa, Norio Imai, Yusuke Kiyokawa, Masaya Kato, Yuichi Ukai
-
Patent number: 10618526Abstract: A driving assistance apparatus includes: a driving assistance unit configured to control a braking unit which decelerates a moving body, and assist driving of the moving body by automatic driving; and a switching unit configured to perform instructing a driver of the moving body to operate the braking unit which is under control by the driving assistance unit, and switching from the automatic driving to manual driving by transferring an authority of driving to the driver when receiving an operation of the braking unit by the driver.Type: GrantFiled: February 20, 2018Date of Patent: April 14, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Norio Imai, Masaya Kato, Yusuke Kiyokawa, Motokatsu Tomozawa, Yuichi Ukai
-
Patent number: 10300945Abstract: A vehicle control apparatus includes: a clocking section which clocks time after an operation section is operated until a certain period of time elapses; and a vehicle control section which starts a first control in a case where a vehicle is stopped within the certain period of time after the operation section is operated, the first control corresponding to a control executed in a case where the operation section is operated in a state where the vehicle is stopped.Type: GrantFiled: September 14, 2017Date of Patent: May 28, 2019Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Yusuke Kiyokawa, Tomoyuki Matsuba
-
Patent number: 10232850Abstract: A parking-lot-leaving support apparatus, to execute parking-lot-leaving support to support a vehicle leaving a parking lot, based on a positional relationship between the vehicle and an obstacle in a back-and-forth direction of the vehicle, includes a determination unit configured to determine whether an obstacle exists in a side direction of the vehicle, based on a detection result of a detection unit that detects an obstacle in the side direction of the vehicle; and an inhibition unit configured to, when the determination unit has determined that the obstacle exists in the side direction of the vehicle, inhibit the parking-lot-leaving support in a direction that coincides with the side direction.Type: GrantFiled: May 11, 2016Date of Patent: March 19, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION, AISIN SEIKI KABUSHIKI KAISHAInventors: Motonari Obayashi, Hironobu Ishijima, Masaki Kinoshita, Yutaka Hamamoto, Masaya Kato, Yusuke Kiyokawa
-
Patent number: 10155540Abstract: A parking assistance device includes: an obstacle detection unit detecting an obstacle; a target determination unit determining a target area; a route determination unit determining a route from a position of a vehicle to the target area when assisting a driver in parking the vehicle in the target area; and a movement control unit assisting the driver by detecting the position and an inclination angle of the vehicle and controlling the vehicle, terminating the assist when the position is within a first range, the inclination angle is within a second range, and the position is within a third range, and terminating the assist when, while the vehicle travels, the position is within the first range, the inclination angle is within the second range, the position is outside of the third range, and the approach of an obstacle is detected.Type: GrantFiled: July 29, 2016Date of Patent: December 18, 2018Assignee: AISIN SEIKI KABUSHIKI KAISHAInventor: Yusuke Kiyokawa
-
Publication number: 20180273027Abstract: A driving control apparatus includes: a movement control unit that controls movement of a vehicle in accordance with a first movement path indicating a movement trajectory to a first target position that is a movement destination of the vehicle; and a movement path calculating unit that calculates a second movement path as a movement path to a second target position from a position after the vehicle moves from a current position of the vehicle for a predetermined period of time along the first movement path, wherein the movement control unit controls movement of the vehicle to the second target position in accordance with the second movement path after causing the vehicle to move along the first movement path for the predetermined period of time.Type: ApplicationFiled: March 6, 2018Publication date: September 27, 2018Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Motokatsu TOMOZAWA, Norio IMAI, Yusuke KIYOKAWA, Masaya KATO, Yuichi UKAI
-
Publication number: 20180273028Abstract: A vehicle traveling assistance apparatus includes: a creation unit configured to create a first route, which is a route along which a vehicle moves from a first position to a second position and in which the vehicle stops to perform stationary steering in a middle of the route and then moves to the second position; and a controller configured to cause the vehicle to travel along the created first route.Type: ApplicationFiled: March 13, 2018Publication date: September 27, 2018Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Masaya KATO, Motokatsu TOMOZAWA, Yusuke KIYOKAWA