Patents by Inventor Ryoji Shibata
Ryoji Shibata 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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Publication number: 20090007444Abstract: An eyeglass frame shape measuring apparatus comprises: a frame holding unit which holds a eyeglass frame in a desired position; a rotary base; a feeler holding unit which comprises a support shaft to which a feeler for measurement is attached, a first arm for holding the support shaft, an elastic body for urging the first arm so that the support shaft is urged outward with respect to a rotation center axis of the rotary base, and a first arm holding unit for holding the first arm to enable the support shaft to be inclined with respect to the rotation center axis; a detecting unit which detects movement of the first arm; and an arithmetic unit which obtains a three-dimensional movement position of the feeler to obtain the three-dimensional shape of the rim, on the basis of rotation of the rotary base and results of detection of the detecting unit.Type: ApplicationFiled: July 3, 2008Publication date: January 8, 2009Applicant: NIDEK CO., LTD.Inventor: Ryoji SHIBATA
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Publication number: 20090011687Abstract: In an eyeglass lens processing apparatus for beveling a peripheral edge of an eyeglass lens, if the high curve lens processing mode is selected by the mode selector, a computing unit acquires a high curve bevel path for locating the bevel apex on a front surface curve of the eyeglass lens or for locating the bevel apex at a position shifted by a predetermined quantity from the front surface curve toward the rear side on the basis of the edge position information acquired by the edge position detector, thereby providing high curve beveling data for the rear surface beveling grindstone, or for the front surface and rear surface beveling grindstones; and a beveling controller bevels the peripheral edge of the eyeglass lens by the rear surface beveling grindstone, or by the front surface and rear surface beveling grindstones on the basis of the high curve beveling data.Type: ApplicationFiled: March 31, 2008Publication date: January 8, 2009Applicant: NIDEK CO., LTDInventors: Ryoji SHIBATA, Hirokatsu OBAYASHI
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Publication number: 20080248720Abstract: In a two-step processing mode in which a cup for attaching a lens to a chuck axis is changed from a large diameter cup to a small diameter cup on the way of processing, a roughing path data computing unit for computing first roughing path data larger than the target lens shape data by a predetermined finishing margin, and second roughing path data having a radius vector larger by at least ?a than at least radius vector data of the large diameter cup; and a processing controller for roughing the peripheral edge of the lens based on the second roughing path data in response to a processing start signal, thereafter stopping the processing and further resuming the processing. The processing controller performs, when a processing resuming signal is inputted, processing control of either roughing and finishing, or finishing without roughing.Type: ApplicationFiled: March 18, 2008Publication date: October 9, 2008Applicant: NIDEK CO., LTD.Inventor: Ryoji Shibata
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Patent number: 7410408Abstract: An eyeglass lens processing apparatus for processing an eyeglass lens includes: a lens chuck that holds the lens; a regular-grooving tool; a first moving unit that moves the lens held by the lens chuck; a grooving data input unit that inputs grooving data including a width and depth of the groove to be formed in the lens; a controller that controls the first moving unit to perform regular-grooving on the basis of the grooving data; a fine-grooving tool; a second moving unit that moves the lens held by the lens chuck; and a selector that selects whether fine-grooving is to be performed. When performance of fine-grooving is selected, the controller performs the regular-grooving on the lens so that a bottom and side surfaces of the groove have a fine-grooving margin, and controls the second moving unit to perform the fine-grooving on the basis of the grooving data.Type: GrantFiled: February 5, 2007Date of Patent: August 12, 2008Assignee: Nidek Co., Ltd.Inventor: Ryoji Shibata
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Patent number: 7384326Abstract: A facetting area setting device for setting a facetting area so as to perform a facetting on an edge corner of an eyeglass lens which has been finished, includes: an input unit that inputs a target lens shape; a display unit that displays a front outline graphic based on the input target lens shape; a position setting unit that sets at least three points in the displayed front outline graphic; and an area setting unit that sets a facetting area on the basis of the input target lens shape and the set points. The area setting unit sets the facetting area by joining the set points with at least one of a straight line and a curved line.Type: GrantFiled: May 2, 2007Date of Patent: June 10, 2008Assignee: Nidek Co., Ltd.Inventors: Tadamasa Yamamoto, Ryoji Shibata
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Patent number: 7371151Abstract: A lens stocking apparatus capable of stocking a plurality of lenses, which has a first stage, on which a plurality of trays respectively accommodating lenses are mountable, for transferring a tray, a vertically movable second stage, on which a plurality of trays respectively accommodating lenses are mountable by being vertically stacked, for receiving a tray, a tray movement unit that has a holding portion, which is adapted to hold a tray, and that is configured to move a tray from the first stage to the second stage, and a guide unit adapted to guide a position of at least a topmost one of trays mounted on the second stage.Type: GrantFiled: January 17, 2005Date of Patent: May 13, 2008Assignee: Nidek Co., Ltd.Inventors: Ryoji Shibata, Akihiro Nagura
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Publication number: 20080088794Abstract: In a method of processing a periphery of an eyeglass lens, at an optician shop, rimless frame identifying data for identifying a rimless frame is inputted; modification data for an original target lens shape of the eyeglass lens to be mounted on the rimless frame is inputted; and the input rimless frame identifying data and modification data is transmitted through a network communication to a lens processing factory; and at the lens processing factory, the data transmitted is received through the network communication; the original target lens shape data of the eyeglass lens to be mounted on the rimless frame is called from a database, based on the received rimless frame identifying data; a modified target lens shape is calculated based on the original target lens shape and the modification data; and the periphery of the eyeglass lens is processed based on data the calculated modified target lens shape.Type: ApplicationFiled: September 28, 2007Publication date: April 17, 2008Applicant: NIDEK CO., LTDInventors: Motoshi TANAKA, Ryoji Shibata, Takayasu Yamamoto
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Publication number: 20070298686Abstract: An eyeglass lens processing apparatus includes: an endmill that bevels a periphery of lens by a tip thereof so that an angle made by a bevel and a bevel foot substantially coincides with an angle of the tip; a moving unit that includes an inclining unit that inclines the endmill relative to the lens chuck; an operating portion that calculates front surface side beveling data and rear surface side beveling data; and a control portion that controls the moving unit based on the front surface side beveling data to bevel the front surface side of the lens and controls the moving unit based on the rear surface side beveling data to bevel the rear surface side of the lens.Type: ApplicationFiled: May 31, 2007Publication date: December 27, 2007Applicant: NIDEK CO.,LTDInventor: Ryoji SHIBATA
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Patent number: 7309278Abstract: A lens presser for holding an eyeglass lens includes: a base member which is to be attached to a distal end of a lens chucking shaft; an abutting member which has an abutting surface which is to be abutted on a rear refractive surface of the lens; a movable member to which the abutting member is to be attached; a circular-arc-shaped concave portion which is formed in one of the base member and the movable member and has a radius center of a circular arc on a central axis of the chucking shaft; and a circular-arc-shaped convex portion which is formed in the other of the base member and the movable member and is fitted into the concave portion so as to slide only in a direction of the circular arc. The movable member is tiltable with respect to the base member.Type: GrantFiled: April 28, 2006Date of Patent: December 18, 2007Assignee: Nidek Co., Ltd.Inventor: Ryoji Shibata
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Publication number: 20070264906Abstract: A facetting area setting device for setting a facetting area so as to perform a facetting on an edge corner of an eyeglass lens which has been finished, includes: an input unit that inputs a target lens shape; a display unit that displays a front outline graphic based on the input target lens shape; a position setting unit that sets at least three points in the displayed front outline graphic; and an area setting unit that sets a facetting area on the basis of the input target lens shape and the set points. The area setting unit sets the facetting area by joining the set points with at least one of a straight line and a curved line.Type: ApplicationFiled: May 2, 2007Publication date: November 15, 2007Applicant: NIDEK CO., LTDInventors: Tadamasa YAMAMOTO, Ryoji SHIBATA
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Patent number: 7295886Abstract: A method of processing an eyeglass lens includes: a first step of obtaining an actual three-dimensional target lens shape from a rim of an eyeglass frame; a second step of obtaining a circumferential length of the actual three-dimensional target lens shape and a two-dimensional target lens shape based on the actual three-dimensional target lens shape; a third step of transmitting at least the two-dimensional target lens shape without transmitting the circumferential length of the actual three-dimensional target lens shape; a fourth step of obtaining a circumferential length of a three-dimensional target lens shape restored based on the transmitted two-dimensional target lens shape; a fifth step of obtaining a bevel path having a circumferential length that substantially accords with the circumferential length of the restored three-dimensional target lens shape; and a sixth step of forming a bevel on a peripheral edge surface of the lens based on the obtained bevel path.Type: GrantFiled: May 2, 2005Date of Patent: November 13, 2007Assignee: Nidek Co., Ltd.Inventor: Ryoji Shibata
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Publication number: 20070232204Abstract: A method of dressing a grindstone for processing an eyeglass lens, comprises the step of pressing a melamine resin foam, which is used as a dressing tool, against a rotating grindstone.Type: ApplicationFiled: April 3, 2007Publication date: October 4, 2007Applicant: NIDEK CO., LTD.Inventors: Kyoji Takeichi, Hirokatsu Obayashi, Ryoji Shibata
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Publication number: 20070218810Abstract: An eyeglass lens processing apparatus for processing an eyeglass lens includes: a lens chuck that holds the lens; a regular-grooving tool; a first moving unit that moves the lens held by the lens chuck; a grooving data input unit that inputs grooving data including a width and depth of the groove to be formed in the lens; a controller that controls the first moving unit to perform regular-grooving on the basis of the grooving data; a fine-grooving tool; a second moving unit that moves the lens held by the lens chuck; and a selector that selects whether fine-grooving is to be performed. When performance of fine-grooving is selected, the controller performs the regular-grooving on the lens so that a bottom and side surfaces of the groove have a fine-grooving margin, and controls the second moving unit to perform the fine-grooving on the basis of the grooving data.Type: ApplicationFiled: February 5, 2007Publication date: September 20, 2007Applicant: NIDEK CO., LTD.Inventor: Ryoji Shibata
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Publication number: 20070202775Abstract: An eyeglass lens processing system for processing an eyeglass lens includes a main processing apparatus having a first lens chucks that chucks the lens, a roughing tool, a first bevel-finishing tool, a lens edge measuring unit that obtains an edge position of the lens on the basis of target lens shape data, and a first computing unit that obtains roughing data using the roughing tool and first bevel-finishing data using the first bevel-finishing tool, and a sub processing apparatus installed separately from the main processing apparatus, and having a second lens chuck that chucks the lens, and a second bevel-finishing tool having a smaller diameter than the first bevel-finishing tool.Type: ApplicationFiled: January 5, 2007Publication date: August 30, 2007Applicant: NIDEK CO., LTD.Inventor: Ryoji Shibata
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Publication number: 20070141950Abstract: A lens stocking apparatus capable of stocking a plurality of lenses, which has a first stage, on which a plurality of trays respectively accommodating lenses are mountable, for transferring a tray, a vertically movable second stage, on which a plurality of trays respectively accommodating lenses are mountable by being vertically stacked, for receiving a tray, a tray movement unit that has a holding portion, which is adapted to hold a tray, and that is configured to move a tray from the first stage to the second stage, and a guide unit adapted to guide a position of at least a topmost one of trays mounted on the second stage.Type: ApplicationFiled: January 17, 2005Publication date: June 21, 2007Inventors: Ryoji Shibata, Akihiro Nagura
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Publication number: 20060262661Abstract: A lens presser for holding an eyeglass lens includes: a base member which is to be attached to a distal end of a lens chucking shaft; an abutting member which has an abutting surface which is to be abutted on a rear refractive surface of the lens; a movable member to which the abutting member is to be attached; a circular-arc-shaped concave portion which is formed in one of the base member and the movable member and has a radius center of a circular arc on a central axis of the chucking shaft; and a circular-arc-shaped convex portion which is formed in the other of the base member and the movable member and is fitted into the concave portion so as to slide only in a direction of the circular arc. The movable member is tiltable with respect to the base member.Type: ApplicationFiled: April 28, 2006Publication date: November 23, 2006Inventor: Ryoji Shibata
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Patent number: 7125314Abstract: An eyeglass lens processing apparatus for processing a lens to fit the lens into a rim, includes: an edge measurement portion that measures a path of an edge position of the chucked lens based on a 2-D outline shape is a projection shape of the rum in its warp direction and a layout of the optical center of the chucked lens; and an arithmetic operation portion that obtains an inclination angle of the edge path or a temporary bevel path obtained based on the edge path with respect to a center axis, obtains a corrected 2-D outline shape which is a projection shape onto a plane perpendicular to the center axis based on the inclination angle and the 2-D outline shape, and obtains a final bevel path to form a bevel in the periphery of the lens chucked at the optical center based on the corrected 2-D outline shape.Type: GrantFiled: October 3, 2005Date of Patent: October 24, 2006Assignee: Nidek Co., Ltd.Inventor: Ryoji Shibata
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Publication number: 20060178086Abstract: An eyeglass lens processing apparatus includes; a drilling tool for forming a hole in an eyeglass lens; a first movement mechanism part that relatively moves the drilling tool relative to the lens; a target lens shape input section that inputs data of a two-dimensional target lens shape of the lens; a hole-position input section that inputs data of a position of a hole to be formed in a refractive surface of the lens, which is designated on a two-dimensional coordinate system of the input target lens shape; a measurement part that measures a shape of the refractive surface of the lens; a calculation section that corrects at least part of the input hole-position data into hole-position data along the measured refractive surface shape of the lens and determines hole processing data based on the corrected hole-position data; and a control section that controls the first movement mechanism part based on the determined hole-processing data.Type: ApplicationFiled: January 6, 2006Publication date: August 10, 2006Inventor: Ryoji Shibata
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Publication number: 20060073772Abstract: An eyeglass lens processing apparatus for processing a lens to fit the lens into a rim, includes: an edge measurement portion that measures a path of an edge position of the chucked lens based on a 2-D outline shape is a projection shape of the rum in its warp direction and a layout of the optical center of the chucked lens; and an arithmetic operation portion that obtains an inclination angle of the edge path or a temporary bevel path obtained based on the edge path with respect to a center axis, obtains a corrected 2-D outline shape which is a projection shape onto a plane perpendicular to the center axis based on the inclination angle and the 2-D outline shape, and obtains a final bevel path to form a bevel in the periphery of the lens chucked at the optical center based on the corrected 2-D outline shape.Type: ApplicationFiled: October 3, 2005Publication date: April 6, 2006Inventor: Ryoji Shibata
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Publication number: 20050251280Abstract: A method of processing an eyeglass lens includes: a first step of obtaining an actual three-dimensional target lens shape from a rim of an eyeglass frame; a second step of obtaining a circumferential length of the actual three-dimensional target lens shape and a two-dimensional target lens shape based on the actual three-dimensional target lens shape; a third step of transmitting at least the two-dimensional target lens shape without transmitting the circumferential length of the actual three-dimensional target lens shape; a fourth step of obtaining a circumferential length of a three-dimensional target lens shape restored based on the transmitted two-dimensional target lens shape; a fifth step of obtaining a bevel path having a circumferential length that substantially accords with the circumferential length of the restored three-dimensional target lens shape; and a sixth step of forming a bevel on a peripheral edge surface of the lens based on the obtained bevel path.Type: ApplicationFiled: May 2, 2005Publication date: November 10, 2005Inventor: Ryoji Shibata