Patents by Inventor Masaki Maruyama
Masaki Maruyama 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: 12179720Abstract: A brake control device adjusts a hydraulic pressure in a wheel cylinder in response to an operation amount of a brake operation member, and includes “a pressure adjustment unit that includes an electric pump and a pressure adjustment valve and adjusts hydraulic pressure in a pressure adjustment fluid path between the electric pump and the pressure adjustment valve”, and “a controller that controls the electric pump and the pressure adjustment valve”. The controller calculates an operation speed equivalent amount based on the operation amount, calculates a target rotation speed based on the operation speed equivalent amount, and controls the electric pump such that an actual rotation speed of the electric pump approaches the target rotation speed.Type: GrantFiled: June 21, 2019Date of Patent: December 31, 2024Assignee: ADVICS CO., LTD.Inventors: Masaki Maruyama, Shunya Watanabe
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Patent number: 12168450Abstract: A safety support device includes an object detection camera and a radar device, which serve as detectors, and a controller that controls a dual-purpose speaker and a dual-purpose speaker, which serve as three-dimensional sound outputters, and a monaural speaker that serves as a sound outputter, based on detection information of a monitoring camera that serves as a monitor. The controller selects, in accordance with the positions of the ears of a driver, which are detected by the monitoring camera, whether to cause the dual-purpose speaker and the dual-purpose speaker to output a three-dimensional sound or to cause the dual-purpose speaker, the dual-purpose speaker, and the monaural speaker to output a sound.Type: GrantFiled: March 16, 2023Date of Patent: December 17, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Masaki Maruyama, Junichi Sakamoto, Yuichiro Shimura, Toru Ezaki
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Patent number: 12162496Abstract: A driving support device is provided which can estimate the line-of-sight of an occupant with high accuracy. A driving support device 11 includes: a peripheral information acquisition unit 40 which acquires peripheral information of the periphery of a vehicle 1; a driver monitor camera 50 which acquires occupant information related to the occupant of the vehicle 1; an outside-world information detection unit 201 which detects the outside-world information including the position and speed of the target in the surroundings of the vehicle 1 based on the peripheral information; a line-of-sight estimation unit 202 which estimates the line-of-sight of the occupant of the vehicle 1 based on the occupant information; and a line-of-sight correction unit 203 which corrects the estimated line-of-sight, based on the outside-world information detected by the outside-world information detection unit 201.Type: GrantFiled: February 22, 2022Date of Patent: December 10, 2024Assignee: HONDA MOTOR CO., LTD.Inventor: Masaki Maruyama
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Publication number: 20240304088Abstract: A collision alert device includes a calculation part repeatedly calculating, at a prescribed time interval, a time-to-collision obtained by dividing a distance between moving objects by a relative velocity of two moving objects, the distance between moving objects being a distance between the two moving objects, and an output part outputting an alert in at least one of the two moving objects as a condition of the time-to-collision being equal to or less than a predetermined threshold, the relative velocity is a centripetal relative velocity of a moving velocity of each of the two moving objects, the centripetal relative velocity being calculated from a centripetal velocity that is a component along a line segment connecting a position of each of the two moving objects, and the time-to-collision is a centripetal time-to-collision obtained by dividing a distance between the two moving objects by the centripetal relative velocity.Type: ApplicationFiled: February 9, 2024Publication date: September 12, 2024Inventors: Masaki Maruyama, Katsuhito Aoki
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Patent number: 12043230Abstract: A brake control device forming a brake device includes an acquisition unit acquiring an operation value which is a value relating to an operation of a brake pedal in each control cycle, a target derivation unit deriving a final target braking power BPTrF which is a target of a braking power at a point in time when a prescribed time passes from a start of the operation of the brake pedal based on an increase state of the operation value when the operation of the brake pedal is started, and a brake controller increasing a vehicle braking power BP toward the final target braking power BPTrF.Type: GrantFiled: January 27, 2020Date of Patent: July 23, 2024Assignee: ADVICS CO., LTD.Inventor: Masaki Maruyama
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Patent number: 12017624Abstract: A vehicle braking device includes a first supply unit supplying fluid to main flow channels connected to wheel cylinders of a vehicle, a differential solenoid valve provided on the main flow channels and generating a differential pressure across the differential solenoid valve, a second supply unit supplying fluid to the wheel cylinders by drawing at least some fluid supplied from the first supply unit through branch flow channels branching off from the main flow channels upstream of the differential solenoid valve, and a setting unit setting a supply amount of fluid supplied from the first supply unit in accordance with a draw amount of fluid drawn by the second supply unit.Type: GrantFiled: November 18, 2019Date of Patent: June 25, 2024Assignee: ADVICS CO., LTD.Inventors: Masaki Maruyama, Yoshio Masuda, Shunya Watanabe
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Publication number: 20240166055Abstract: Front and rear wheel required braking forces are calculated so that a braking force required as a whole of the vehicle matches the sum of the front and rear wheel required braking forces, and a ratio of the rear wheel required braking force to the front wheel required braking force is constant. When the front and rear wheel required braking forces are equal to or less than the maximum front and rear wheel regenerative braking forces, the front and rear wheel required braking forces are achieved only by the front and rear wheel regenerative braking forces. When the front and rear wheel required braking forces are larger than the maximum front and rear wheel regenerative braking forces, the front and rear wheel required braking forces are achieved by the front and rear wheel regenerative braking forces and the front and rear wheel frictional braking forces.Type: ApplicationFiled: March 22, 2022Publication date: May 23, 2024Applicant: ADVICS CO., LTD.Inventors: Masaki MARUYAMA, Takayuki YAMAMOTO
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Publication number: 20240166229Abstract: To reduce a chance that the driver overlooks the object that should be seen, a visual guidance device for guiding a visual line of a driver of the vehicle to an object existing ahead of the vehicle includes an object recognition unit for recognizing the object, and a display control unit for causing the display device to display the visual guidance virtual image for guiding the driver's visual line to a position corresponding to the object recognized by the object recognition unit on a windshield of the vehicle. The display control unit sets a length of the visual guidance virtual image to be displayed by the display device in the vehicle width direction to a length in accordance with a status of the object existing ahead of the vehicle.Type: ApplicationFiled: January 17, 2022Publication date: May 23, 2024Inventors: Masaki Maruyama, Toshiaki Seo, Minoru Higuchi, Yuya Kishimoto
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Publication number: 20240166186Abstract: An actuator supplies a front wheel brake fluid pressure and a rear wheel brake fluid pressure equal to generate front and rear wheel frictional braking forces. A controller calculates a braking force required as a whole of a vehicle, and calculates front and rear wheel required braking forces so that a sum of the front and rear wheel required braking force matches a target vehicle body braking force and the ratio of the rear wheel required braking force to the front wheel required braking force is a constant value. A rear wheel restricted regenerative braking force is calculated by multiplying the maximum front wheel regenerative braking force by a constant value, and the smaller one of maximum rear wheel regenerative braking force and the rear wheel restricted regenerative braking force is determined as the rear wheel reference regenerative braking force.Type: ApplicationFiled: March 22, 2022Publication date: May 23, 2024Applicant: ADVICS CO., LTD.Inventors: Masaki MARUYAMA, Takayuki YAMAMOTO
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Patent number: 11966052Abstract: An alert system includes a display device, a display control unit, and a target recognition unit. The display control unit: when the number of targets recognized by the target recognition unit is equal to or more than an upper limit number, sets a display range of a surrounding icon as a whole circular area; and in a state where the number of targets is equal to or more than the upper limit number and the display range of the surrounding icon is set as the whole circular area, when the number of targets increases, reduces the size of the surrounding icon.Type: GrantFiled: September 23, 2022Date of Patent: April 23, 2024Assignee: HONDA MOTOR CO., LTD.Inventors: Masaki Maruyama, Minoru Higuchi, Yuya Kishimoto, Toshiaki Seo, Masuhito Tanaka, Kazuki Takano, Hidehiro Takeda, Misaki Koseki
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Patent number: 11935774Abstract: Provided is an assembly jig set of semiconductor module having a plurality of semiconductor chips, the assembly jig set comprising: a first outer frame jig; and a plurality of inner piece jigs positioned by the first outer frame jig and each having a sectioned shape corresponding to the first outer frame jig, wherein one of the inner piece jigs has a plurality of opening portions for positioning the semiconductor chips. A manufacturing method of a semiconductor module using an assembly jig set is provided.Type: GrantFiled: May 23, 2022Date of Patent: March 19, 2024Assignee: FUJI ELECTRIC CO., LTD.Inventors: Kazunaga Onishi, Takeshi Yokoyama, Masaki Maruyama
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Publication number: 20240025388Abstract: A brake control device forming a brake device includes an acquisition unit acquiring an operation value which is a value relating to an operation of a brake pedal in each control cycle, a target derivation unit deriving a final target braking power BPTrF which is a target of a braking power at a point in time when a prescribed time passes from a start of the operation of the brake pedal based on an increase state of the operation value when the operation of the brake pedal is started, and a brake controller increasing a vehicle braking power BP toward the final target braking power BPTrF.Type: ApplicationFiled: January 27, 2020Publication date: January 25, 2024Applicant: ADVICS CO., LTD.Inventor: Masaki MARUYAMA
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Patent number: 11807215Abstract: A brake control device is applied to a vehicle including a regenerative generator. The brake control device includes a pressure adjustment unit that includes an electric pump and a pressure adjustment valve, and that adjusts adjustment liquid pressure of a pressure adjustment fluid path between the electric pump and the pressure adjustment valve; and a controller that controls the electric pump and the pressure adjustment valve. The controller, before starting a replacement operation to replace a regenerative braking force by the regenerative generator with a friction braking force by the adjustment liquid pressure, performs preceding pressurization to increase the adjustment liquid pressure from “0” and maintain the adjustment liquid pressure at predetermined liquid pressure, and after performing the preceding pressurization, increases the adjustment liquid pressure more than the predetermined liquid pressure by increasing a rotation speed of the electric pump, and then execute the replacement operation.Type: GrantFiled: June 21, 2019Date of Patent: November 7, 2023Assignee: ADVICS CO., LTD.Inventors: Masaki Maruyama, Shunya Watanabe
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Patent number: 11787292Abstract: A brake control device applied to a vehicle including a regenerative generator connected to a front wheel has an electric pump, and first and second pressure adjustment valves. The first pressure adjustment valve is provided in a brake fluid reflux path including the electric pump, adjusts the brake fluid to a first hydraulic pressure, and adjusts a rear wheel hydraulic pressure in a rear wheel cylinder to the first hydraulic pressure. The second pressure adjustment valve is provided in the reflux path, reduces the first hydraulic pressure to a second hydraulic pressure, and adjusts front wheel hydraulic pressure in a front wheel cylinder to the second hydraulic pressure. A front wheel flow rate to increase the front wheel hydraulic pressure is calculated using a brake operation member operation amount and a regeneration amount of the regenerative generator. The first pressure adjustment valve is controlled using the front wheel flow rate.Type: GrantFiled: June 24, 2019Date of Patent: October 17, 2023Assignee: ADVICS CO., LTD.Inventors: Masaki Maruyama, Shunya Watanabe
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Publication number: 20230311921Abstract: A safety support device includes an object detection camera and a radar device, which serve as detectors, and a controller that controls a dual-purpose speaker and a dual-purpose speaker, which serve as three-dimensional sound outputters, and a monaural speaker that serves as a sound outputter, based on detection information of a monitoring camera that serves as a monitor. The controller selects, in accordance with the positions of the ears of a driver, which are detected by the monitoring camera, whether to cause the dual-purpose speaker and the dual-purpose speaker to output a three-dimensional sound or to cause the dual-purpose speaker, the dual-purpose speaker, and the monaural speaker to output a sound.Type: ApplicationFiled: March 16, 2023Publication date: October 5, 2023Inventors: Masaki MARUYAMA, Junichi SAKAMOTO, Yuichiro SHIMURA, Toru EZAKI
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Publication number: 20230311659Abstract: A safety assist device includes an object detection camera and a radar that detect the presence of an object and a position of the object on a lateral side or a rear side of an own vehicle, a vehicle speed sensor that detects a vehicle speed of the own vehicle, a driver's seat-side display and a passenger's seat-side display that are provided on a lateral side of a driver's seat inside the own vehicle, and a controller that causes the driver's seat-side display and the passenger's seat-side display to display a signal in response to the presence of the object detected by the object detection camera, the radar, and the like. The controller moves a position at which the signal is displayed toward a front side in a display range of the driver's seat-side display and the passenger's seat-side display in accordance with an increase in the vehicle speed detected.Type: ApplicationFiled: March 15, 2023Publication date: October 5, 2023Inventors: Yuichiro SHIMURA, Junichi SAKAMOTO, Masaki MARUYAMA, Toru EZAKI
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Patent number: 11745754Abstract: The attention calling system includes a detection unit for detecting an object around a moving body, and a attention calling unit for outputting a visual display in a horizontally extending belt-like range on an interior structure of the moving body using a light projection device. The attention calling unit outputs the visual display in the belt-like range at a position corresponding to a direction of the object.Type: GrantFiled: February 22, 2022Date of Patent: September 5, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Masaki Maruyama, Toshiaki Seo, Yuya Kishimoto, Minoru Higuchi
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Publication number: 20230264664Abstract: The braking control device includes a determination unit configured to determine whether a vehicle is in a stopped state; a setting unit configured to set a vehicle stop maintenance braking force necessary for maintaining the stopped state of the vehicle; and a control unit configured to execute, when the determination unit determines that the vehicle is in the stopped state and an actual braking force applied in the stopped state of the vehicle is greater than the vehicle stop maintenance braking force set by the setting unit, vehicle stop maintenance control for decreasing the actual braking force toward the vehicle stop maintenance braking force regardless of a required braking force required by at least one of a driver of the vehicle and another device.Type: ApplicationFiled: July 29, 2021Publication date: August 24, 2023Applicant: ADVICS CO., LTD.Inventor: Masaki MARUYAMA
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Patent number: 11628854Abstract: The attention calling system includes the classification unit for classifying an object into a category based on a traffic scene, the risk calculation unit for calculating the risk value with respect to contact with the object based on the category, and the attention calling unit for outputting the visual display in the horizontally extending belt-like range on the windshield of the moving body. The attention calling unit outputs the visual display in the mode adapted to the risk value of the object.Type: GrantFiled: February 18, 2022Date of Patent: April 18, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Masaki Maruyama, Toshiaki Seo, Yuya Kishimoto, Minoru Higuchi
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Publication number: 20230113575Abstract: An alert system includes a display device, a display control unit, and a target recognition unit. The display control unit: when the number of targets recognized by the target recognition unit is equal to or more than an upper limit number, sets a display range of a surrounding icon as a whole circular area; and in a state where the number of targets is equal to or more than the upper limit number and the display range of the surrounding icon is set as the whole circular area, when the number of targets increases, reduces the size of the surrounding icon.Type: ApplicationFiled: September 23, 2022Publication date: April 13, 2023Inventors: Masaki Maruyama, Minoru Higuchi, Yuya Kishimoto, Toshiaki Seo, Masuhito Tanaka, Kazuki Takano, Hidehiro Takeda, Misaki Koseki