Patents by Inventor Yosuke Eguchi
Yosuke Eguchi 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: 12312119Abstract: A feeding device to feed a sheet in a feeding direction includes a mount on which a substantially rectangular parallelepiped sheet pack is mountable; a first cutter to cut, in the feeding direction, a first side surface on one end side in a width direction orthogonal to the feeding direction out of four side surfaces of the sheet pack; a second cutter to cut, in the width direction, a second side surface on a downstream side in the feeding direction out of the four side surfaces; and a third cutter to cut, in the feeding direction, a third side surface on another end side in the width direction out of the four side surfaces. Height positions cut by the first cutter, the second cutter, and the third cutter coincide with each other. Cut portions by the first cutter, the second cutter, and the third cutter are coupled to each other.Type: GrantFiled: April 13, 2022Date of Patent: May 27, 2025Assignee: RICOH COMPANY, LTD.Inventors: Hiroshi Mizusawa, Kazune Nakamura, Yosuke Eguchi
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Publication number: 20250159323Abstract: An image pickup unit includes a three-dimensional wiring board, an image sensor and one or more optical lenses and resin. In the resin, a transmittance and a reflectance of light having a wavelength of 380 to 780 nm are equal to or lower than 0.5% and equal to or lower than 5%, respectively, and when a value of a bidirectional reflectance distribution function in a direction in which an azimuth angle from an incident surface is ?r and a polar angle is ?r, with a polar angle in an incident direction as ?i is BRDF (?i, ?r, ?r), in a case where ?i is 45 to 75 degrees, ?r is ?60 to 60 degrees, and ?r is ?85 to 85 degrees, the value of the bidirectional reflectance distribution function is equal to or lower than 0.1 of incident light, in which, ?r?0 and ?i??r.Type: ApplicationFiled: November 12, 2024Publication date: May 15, 2025Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Yo ASAKURA, Yosuke EGUCHI
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Image processing apparatus, measurement method, and storage medium for measuring distance from image
Patent number: 12212846Abstract: An apparatus includes one or more processors, and a memory storing instructions which, when executed by the one or more processors, cause the apparatus to function as an image acquisition unit configured to acquire a captured image, a parameter acquisition unit configured to acquire a parameter recorded when the image is captured, a determination unit configured to determine a target area in the image using the parameter corresponding to the image, an evaluation value calculation unit configured to calculate one or more evaluation values from the target area based on a number of the target areas and a size of the target area, a representative evaluation value calculation unit configured to calculate a representative evaluation value from the evaluation value, and a distance information calculation unit configured to calculate distance information about a distance to a subject in the image based on the representative evaluation value.Type: GrantFiled: November 2, 2022Date of Patent: January 28, 2025Assignee: Canon Kabushiki KaishaInventors: Takuya Ishibashi, Yosuke Eguchi, Satoru Komatsu -
Patent number: 12165344Abstract: A distance measurement apparatus includes one or more processors, and a memory storing instructions which, when executed by the one or more processors, cause the distance measurement apparatus to function as a calculation unit configured to calculate distance information corresponding to an image captured by an imaging apparatus using an image sensor that captures an object image focused on the image sensor via an optical system, a temperature information obtaining unit configured to obtain temperature information of the imaging apparatus at different times, and a distance correction unit configured to correct the distance information, wherein the distance correction unit corrects the distance information based on the temperature information at a time at which a first image capturing is performed and the temperature information at a time before the first image capturing is performed.Type: GrantFiled: December 2, 2022Date of Patent: December 10, 2024Assignee: Canon Kabushiki KaishaInventors: Yosuke Eguchi, Takuya Ishibashi, Satoru Komatsu
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Patent number: 12164089Abstract: An extender lens unit to be inserted into and removed from an optical path in a relay lens unit included in a zoom lens consists of a front unit having a positive refractive power, a middle unit having a negative refractive power, and a rear unit having a negative refractive power. The extender lens unit includes three negative lenses. The middle unit includes a negative lens. An average refractive index of positive lenses included in the extender lens unit, an average refractive index of negative lenses included in the extender lens unit, a focal length of the negative lens included in the middle unit, and a focal length of the middle unit are appropriately set.Type: GrantFiled: August 5, 2020Date of Patent: December 10, 2024Assignee: CANON KABUSHIKI KAISHAInventor: Yosuke Eguchi
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Patent number: 12143725Abstract: In order to provide a range measurement apparatus which enables an accurate distance measurement while an anti-vibration mechanism is operated, the range measurement apparatus includes an image information acquisition unit configured to acquire an image captured by an image pickup optical system having an anti-vibration optical system, a distance information acquisition unit configured to acquire distance information regarding a distance to a subject based on the image, and a distance correction unit configured to correct the distance information based on aberration information according to a driving amount of the anti-vibration optical system.Type: GrantFiled: January 7, 2022Date of Patent: November 12, 2024Assignee: Canon Kabushiki KaishaInventor: Yosuke Eguchi
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Publication number: 20240171855Abstract: An accuracy estimation apparatus includes at least one processor and/or at least one circuit that functions as an obtainment unit configured to obtain a shooting condition for a plurality of parallax images that mutually exhibit parallax, and an estimation unit configured based on the shooting condition, to estimate an accuracy of dimension measurement that is performed using the plurality of parallax images.Type: ApplicationFiled: January 29, 2024Publication date: May 23, 2024Inventors: Satoru Komatsu, Yosuke Eguchi, Takuya Ishibashi
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Patent number: 11924542Abstract: An accuracy estimation apparatus includes at least one processor and/or at least one circuit that functions as an obtainment unit configured to obtain a shooting condition for a plurality of parallax images that mutually exhibit parallax, and an estimation unit configured based on the shooting condition, to estimate an accuracy of dimension measurement that is performed using the plurality of parallax images.Type: GrantFiled: August 8, 2022Date of Patent: March 5, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Satoru Komatsu, Yosuke Eguchi, Takuya Ishibashi
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Patent number: 11913567Abstract: An electromagnetic valve manifold includes valve assemblies arranged in a single direction, each valve assembly including electromagnetic valves arranged in the single direction, a slave station disposed at one of ends of the electromagnetic valve manifold in the single direction, and a valve driving unit disposed in correspondence with each of the valve assemblies. The slave station includes a slave station output port that sends a control signal and valve driving unit power to the valve driving units. The valve driving units each include an electromagnetic valve power input port that receives electromagnetic valve power from an external device and a circuit board configured to control driving of the electromagnetic valves of a corresponding one of the valve assemblies using the control signal and send the electromagnetic valve power to the electromagnetic valves.Type: GrantFiled: June 22, 2022Date of Patent: February 27, 2024Assignee: CKD CORPORATIONInventors: Takemoto Kondo, Kazuya Nakata, Shinji Itoh, Yosuke Eguchi, Kiyotoki Natsume, Ikuo Ogino
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Publication number: 20240000643Abstract: To stably support a user before and after posture transition between a standing position and a sitting position by suppressing forward and backward movement of a position of the center of gravity of a user without power supply with a simple configuration. A stable support mechanism includes a base, a support structure mounted on the base, the support structure being configured to be capable of translational movement along a first axis in a plane horizontal to the base, the support structure being configured to be capable of changing a posture between a first position and a second position in a plane perpendicular to the base, and a link having a fixed length, one end of the link being connected to the base, the other end of the link being connected to the support structure, the link being configured to guide the support structure in a direction along the first axis along with changing the posture of the support structure.Type: ApplicationFiled: November 10, 2021Publication date: January 4, 2024Inventors: Kenji SUZUKI, Yosuke EGUCHI
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IMAGE PROCESSING APPARATUS, MEASUREMENT METHOD, AND STORAGE MEDIUM FOR MEASURING DISTANCE FROM IMAGE
Publication number: 20230292004Abstract: An apparatus includes one or more processors, and a memory storing instructions which, when executed by the one or more processors, cause the apparatus to function as an image acquisition unit configured to acquire a captured image, a parameter acquisition unit configured to acquire a parameter recorded when the image is captured, a determination unit configured to determine a target area in the image using the parameter corresponding to the image, an evaluation value calculation unit configured to calculate one or more evaluation values from the target area based on a number of the target areas and a size of the target area, a representative evaluation value calculation unit configured to calculate a representative evaluation value from the evaluation value, and a distance information calculation unit configured to calculate distance information about a distance to a subject in the image based on the representative evaluation value.Type: ApplicationFiled: November 2, 2022Publication date: September 14, 2023Inventors: Takuya Ishibashi, Yosuke Eguchi, Satoru Komatsu -
Patent number: 11687022Abstract: A sheet stacker includes a sheet stacking member, a biasing force applier, an angle setter, and a regulator. The sheet stacking member has an upstream portion in a sheet conveyance direction. The upstream portion is movable in a vertical direction. The biasing force applier is configured to apply a biasing force to bias the sheet stacking member upward. The angle setter is configured to set an angle of the sheet stacking member in the sheet conveyance direction, relative to a sheet conveying portion, between a first angle and a second angle. The regulator is configured to regulate movement of the sheet stacking member in a case in which the upstream portion of the sheet stacking member is located closer to the sheet conveying portion at either the first angle or the second angle.Type: GrantFiled: April 27, 2020Date of Patent: June 27, 2023Assignee: Ricoh Company, Ltd.Inventors: Kazune Nakamura, Yosuke Eguchi
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Publication number: 20230177711Abstract: A distance measurement apparatus includes one or more processors, and a memory storing instructions which, when executed by the one or more processors, cause the distance measurement apparatus to function as a calculation unit configured to calculate distance information corresponding to an image captured by an imaging apparatus using an image sensor that captures an object image focused on the image sensor via an optical system, a temperature information obtaining unit configured to obtain temperature information of the imaging apparatus at different times, and a distance correction unit configured to correct the distance information, wherein the distance correction unit corrects the distance information based on the temperature information at a time at which a first image capturing is performed and the temperature information at a time before the first image capturing is performed.Type: ApplicationFiled: December 2, 2022Publication date: June 8, 2023Inventors: Yosuke Eguchi, Takuya Ishibashi, Satoru Komatsu
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Publication number: 20230072475Abstract: There is provided an accuracy estimation apparatus. An obtainment unit obtains a shooting condition for a plurality of parallax images that mutually exhibit parallax. Based on the shooting condition, an estimation unit estimates an accuracy of dimension measurement that is performed using the plurality of parallax images.Type: ApplicationFiled: August 8, 2022Publication date: March 9, 2023Inventors: Satoru Komatsu, Yosuke Eguchi, Takuya Ishibashi
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Publication number: 20220412480Abstract: An electromagnetic valve manifold includes valve assemblies arranged in a single direction, each valve assembly including electromagnetic valves arranged in the single direction, a slave station disposed at one of ends of the electromagnetic valve manifold in the single direction, and a valve driving unit disposed in correspondence with each of the valve assemblies. The slave station includes a slave station output port that sends a control signal and valve driving unit power to the valve driving units. The valve driving units each include an electromagnetic valve power input port that receives electromagnetic valve power from an external device and a circuit board configured to control driving of the electromagnetic valves of a corresponding one of the valve assemblies using the control signal and send the electromagnetic valve power to the electromagnetic valves.Type: ApplicationFiled: June 22, 2022Publication date: December 29, 2022Inventors: Takemoto KONDO, Kazuya NAKATA, Shinji ITOH, Yosuke EGUCHI, Kiyotoki NATSUME, Ikuo OGINO
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Publication number: 20220332455Abstract: A feeding device to feed a sheet in a feeding direction includes a mount on which a substantially rectangular parallelepiped sheet pack is mountable; a first cutter to cut, in the feeding direction, a first side surface on one end side in a width direction orthogonal to the feeding direction out of four side surfaces of the sheet pack; a second cutter to cut, in the width direction, a second side surface on a downstream side in the feeding direction out of the four side surfaces; and a third cutter to cut, in the feeding direction, a third side surface on another end side in the width direction out of the four side surfaces. Height positions cut by the first cutter, the second cutter, and the third cutter coincide with each other. Cut portions by the first cutter, the second cutter, and the third cutter are coupled to each other.Type: ApplicationFiled: April 13, 2022Publication date: October 20, 2022Inventors: Hiroshi MIZUSAWA, Kazune NAKAMURA, Yosuke EGUCHI
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Publication number: 20220287894Abstract: It is possible to quickly and efficiently support a user with a limited lower limb motor function in a posture transition with a simplified configuration. A support mechanism that supports a posture transition includes a first link that does not change a posture, a second link that is rotatably coupled to the first link, and an actuator configured to rotate the second link with respect to the first link, in which, when a load on a connection part of the second link and the first link changes due to a change in an upper body posture of a user, based on a relative positional relationship between an ankle joint and a knee joint of the user in a direction orthogonal to a vertical direction in a sagittal plane of the user, the actuator drives the second link while changing a support moment on the user according to a relative positional relationship between the knee joint and an upper body centroid of the user, or a knee joint angle.Type: ApplicationFiled: August 28, 2020Publication date: September 15, 2022Inventors: Kenji SUZUKI, Diego PAEZ GRANADOS, Hideki KADONE, Yosuke EGUCHI, Kai SASAKI
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Publication number: 20220232166Abstract: In order to provide a range measurement apparatus which enables an accurate distance measurement while an anti-vibration mechanism is operated, the range measurement apparatus includes an image information acquisition unit configured to acquire an image captured by an image pickup optical system having an anti-vibration optical system, a distance information acquisition unit configured to acquire distance information regarding a distance to a subject based on the image, and a distance correction unit configured to correct the distance information based on aberration information according to a driving amount of the anti-vibration optical system.Type: ApplicationFiled: January 7, 2022Publication date: July 21, 2022Inventor: Yosuke Eguchi
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Patent number: 11391932Abstract: The zoom lens includes, in order from object side to image side, a positive first lens unit (LU), a negative second LU, a positive third LU, and a rear lens group including at least one LU. The zoom lens further includes an aperture stop. A LU arranged on image side of aperture stop moves during zooming. The first LU consists of at least two positive lenses (TPL), and two negative lenses (TNL). An average partial dispersion ratio (APDR) of TNL, APDR of TPL having highest refractive powers of at least TPL, an average Abbe number (AAN) of TNL, AAN of TPL, larger one of Abbe numbers of TNL, smaller one of Abbe numbers of TPL, focal lengths of first and second LUs, a distance from an optical surface closest to object side to image plane, and a focal length of zoom lens at a telephoto end are each appropriately set.Type: GrantFiled: July 17, 2020Date of Patent: July 19, 2022Assignee: CANON KABUSHIKI KAISHAInventor: Yosuke Eguchi
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Patent number: 11339022Abstract: A sheet stacker includes a sheet stacking member, a biasing force applier, an angle changer, and a biasing force change reducer. The sheet stacking member has an upstream portion in a sheet conveyance direction. The upstream portion is movable in a vertical direction. The biasing force applier is configured to bias the sheet stacking member upward. The angle changer is configured to change an angle of a sheet stacking face of the sheet stacking member, relative to a surface of a sheet conveyed through a sheet conveying portion. The biasing force change reducer is configured to restrain a change of a biasing force acting on the sheet stacking member, before and after a change of the angle of the sheet stacking member by the angle changer.Type: GrantFiled: April 27, 2020Date of Patent: May 24, 2022Assignee: Ricoh Company, Ltd.Inventors: Kensuke Yamaji, Yosuke Eguchi