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).

  • Publication number: 20130236585
    Abstract: An apparatus including a cup attaching unit, includes: a lens support portion for supporting a lens on a reference axis extending in a vertical direction; a support arm to which an attaching portion to which the cup is attached is attached; a moving arm for support the support arm to be movable so that the attaching portion can be directed in a downward direction toward the lens support portion and in an upward direction or a forward direction; and a lever configured to be operated by the operation and rotate the support arm so as to direct the attaching portion in from the second direction to the first direction. The lever is provided at the support arm and lowers the attaching portion together with the moving arm after the attaching portion is directed in the downward direction.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 12, 2013
    Applicant: NIDEK CO., LTD.
    Inventors: Ryoji SHIBATA, Katsuhiro NATSUME, Yoshiaki KAMIYA
  • Patent number: 8506351
    Abstract: An eyeglass lens processing apparatus includes: a processing chamber; a pair of lens chuck shafts which chucks an eyeglass lens; a lens rotating unit including a motor for rotating the lens chuck shafts; a processing tool which processes a periphery of the lens; an axis-to-axis distance changing unit for changing an axis-to-axis distance between a rotating shaft attached to the processing tool and the lens chuck shafts; a data input unit for inputting processing condition data including a target lens shape; a processing controller which controls the lens rotating unit and the axis-to-axis changing unit to process the lens based on the input processing condition data a camera which is disposed in the processing chamber and takes a video picture of the processing of the lens; and a memory which stores video pictures and the processing condition data.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: August 13, 2013
    Assignee: Nidek Co., Ltd.
    Inventors: Ryoji Shibata, Toshiaki Asaoka, Yoichi Sugiura
  • Patent number: 8506352
    Abstract: An eyeglass lens processing apparatus for processing a peripheral edge of an eyeglass lens, includes: a processing unit including a plurality of processing tools that process the peripheral edge of the eyeglass lens held by a lens chuck shaft; a calibrating lens; a mode selector that selects a calibration mode; a memory that stores calibration processing data for processing the calibrating lens to a predetermined shape; a detecting unit that includes a tracing stylus that contacts a surface of the calibrating lens which is processed by the processing unit based on the calibration processing data to detect the shape of the processed calibrating lens in the calibration mode; and a calculating unit that obtain calibration data by comparing a detected result by the detecting unit with the calibration processing data in the calibration mode.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: August 13, 2013
    Assignee: Nidek Co., Ltd.
    Inventors: Kyoji Takeichi, Ryoji Shibata, Motoshi Tanaka, Katsuhiro Natsume, Yuya Nakako
  • Patent number: 8172640
    Abstract: An eyeglass lens processing apparatus includes: a processing apparatus body for processing a lens, which includes a grinding water supply unit for ejecting grinding water to a portion to be processed of the lens; a centrifugal separator which separates processing refuse from grinding water by rotating a dewatering bin to discharge the grinding water to the outside of the dewatering bin; and a calculation control unit which includes a counter for multiplying a processing refuse amount of the lens on the basis of a control signal of the apparatus and a memory for storing a processing refuse extraction reference provided to maintain filtering efficiency of the dewatering bin, the processing refuse extraction reference being determined on the basis of the multiplied processing refuse amount of the lens, and which generates an alarm signal when the multiplied processing refuse amount of the lens reaches the processing refuse extraction reference.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: May 8, 2012
    Assignee: Nidek Co., Ltd.
    Inventors: Motoshi Tanaka, Kenichi Inaishi, Ryoji Shibata
  • Patent number: 8157618
    Abstract: An eyeglass lens processing apparatus includes: a setting unit which sets points on an edge of a lens, where a line on a target lens shape and passing through the first and second points intersects a line on the target lens shape and passing through the third and fourth points; and a calculating unit which: obtains a first plane including a bisection point between the first and second points and perpendicular to the first line; obtains a second plane including a bisection point between the third and fourth points and perpendicular to the second line; obtains an intersection line of the first and second planes; obtains a bevel spherical surface so that a center of the bevel spherical surface is located on the intersection line and passes through a desired edge position; and obtains the bevel path on the basis of the bevel spherical surface and target lens shape data.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: April 17, 2012
    Assignee: Nidek Co., Ltd.
    Inventor: Ryoji Shibata
  • Publication number: 20120083186
    Abstract: In an eyeglass lens processing apparatus, if a material selector selects a thermoplastic material for the lens, a control unit performs a first step and then a second step. In the first step, the control unit controls a lens rotating unit to position a lens in a plurality of lens rotation angles and controls an axis-to-axis distance changing unit to cause a roughing tool to cut into the lens up to a roughing path for each of the plurality of lens rotation angles, the lens being not rotated by the lens rotating unit when the roughing tool is cutting into the lens up to the roughing path. In the second step, the control unit controls the lens rotating unit and the axis-to-axis distance changing unit to rough the lens based on the roughing path while the lens rotating unit rotates the lens.
    Type: Application
    Filed: September 29, 2011
    Publication date: April 5, 2012
    Applicant: NIDEK CO., LTD.
    Inventor: Ryoji SHIBATA
  • Publication number: 20110076923
    Abstract: An eyeglass lens processing apparatus for processing a peripheral edge of an eyeglass lens, includes: a processing unit including a plurality of processing tools that process the peripheral edge of the eyeglass lens held by a lens chuck shaft; a calibrating lens; a mode selector that selects a calibration mode; a memory that stores calibration processing data for processing the calibrating lens to a predetermined shape; a detecting unit that includes a tracing stylus that contacts a surface of the calibrating lens which is processed by the processing unit based on the calibration processing data to detect the shape of the processed calibrating lens in the calibration mode; and a calculating unit that obtain calibration data by comparing a detected result by the detecting unit with the calibration processing data in the calibration mode.
    Type: Application
    Filed: September 29, 2010
    Publication date: March 31, 2011
    Applicant: NIDEK CO., LTD.
    Inventors: Kyoji TAKEICHI, Ryoji SHIBATA, Motoshi TANAKA, Katsuhiro NATSUME, Yuya NAKAKO
  • Publication number: 20110009036
    Abstract: An eyeglass lens processing apparatus is provided with: a lens chuck shaft that holds an eyeglass lens; and a beveling tool for forming a bevel on the periphery of the lens. The beveling tool includes a first processing part for forming a rear bevel on the lens rear side; and a second processing part for forming a bevel foot coupled to the rear bevel. In the second processing part, the distance from a line parallel to the lens chuck shafts and passing through a point of border with the first processing part gradually increases from the point of border as the starting point to the endpoint of the second processing surface and the increase rate of the distance gradually increases at least in two steps toward the endpoint.
    Type: Application
    Filed: July 7, 2010
    Publication date: January 13, 2011
    Applicant: NIDEK CO., LTD.
    Inventor: Ryoji SHIBATA
  • Patent number: 7848843
    Abstract: 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: Grant
    Filed: March 18, 2008
    Date of Patent: December 7, 2010
    Assignee: Nidek Co., Ltd.
    Inventor: Ryoji Shibata
  • Publication number: 20100248590
    Abstract: An eyeglass lens processing apparatus includes: a processing chamber; a pair of lens chuck shafts which chucks an eyeglass lens; a lens rotating unit including a motor for rotating the lens chuck shafts; a processing tool which processes a periphery of the lens; an axis-to-axis distance changing unit for changing an axis-to-axis distance between a rotating shaft attached to the processing tool and the lens chuck shafts; a data input unit for inputting processing condition data including a target lens shape; a processing controller which controls the lens rotating unit and the axis-to-axis changing unit to process the lens based on the input processing condition data a camera which is disposed in the processing chamber and takes a video picture of the processing of the lens; and a memory which stores video pictures and the processing condition data.
    Type: Application
    Filed: March 30, 2010
    Publication date: September 30, 2010
    Applicant: NIDEK CO., LTD.
    Inventors: Ryoji SHIBATA, Toshiaki ASAOKA, Yoichi SUGIURA
  • Publication number: 20100247253
    Abstract: An eyeglass lens processing apparatus includes: a mode selector for selecting an auxiliary lens processing mode; an eyeglass data input unit for inputting a first target lens shape of the eyeglass lens and a right target lens shape-to-left target lens shape distance; a first hole data input unit for inputting a position of a first hole, to which a first magnet is attached; a determination unit which determines second target lens shape of the auxiliary lens, a position of a second hole to which a second magnet is attached, positions of third holes to which a bridge is attached; and a processing controller which processes the auxiliary lenses based on the second target lens shape data, and drills the auxiliary lenses based on the second and third hole positions in the auxiliary lens processing mode.
    Type: Application
    Filed: March 25, 2010
    Publication date: September 30, 2010
    Applicant: NIDEK CO., LTD.
    Inventors: Ryoji SHIBATA, Shinji KOIKE
  • Patent number: 7731565
    Abstract: 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: Grant
    Filed: March 31, 2008
    Date of Patent: June 8, 2010
    Assignee: Nidek Co., Ltd.
    Inventors: Ryoji Shibata, Hirokatsu Obayashi
  • Patent number: 7681321
    Abstract: 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: Grant
    Filed: July 3, 2008
    Date of Patent: March 23, 2010
    Assignee: Nidek Co., Ltd.
    Inventor: Ryoji Shibata
  • Patent number: 7628486
    Abstract: 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: Grant
    Filed: September 28, 2007
    Date of Patent: December 8, 2009
    Assignee: Nidek Co., Ltd.
    Inventors: Motoshi Tanaka, Ryoji Shibata, Takayasu Yamamoto
  • Publication number: 20090170403
    Abstract: An eyeglass lens processing apparatus includes: a setting unit which sets points on an edge of a lens, where a line on a target lens shape and passing through the first and second points intersects a line on the target lens shape and passing through the third and fourth points; and a calculating unit which: obtains a first plane including a bisection point between the first and second points and perpendicular to the first line; obtains a second plane including a bisection point between the third and fourth points and perpendicular to the second line; obtains an intersection line of the first and second planes; obtains a bevel spherical surface so that a center of the bevel spherical surface is located on the intersection line and passes through a desired edge position; and obtains the bevel path on the basis of the bevel spherical surface and target lens shape data.
    Type: Application
    Filed: December 29, 2008
    Publication date: July 2, 2009
    Applicant: NIDEK CO., LTD.
    Inventor: Ryoji SHIBATA
  • Patent number: 7540798
    Abstract: 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: Grant
    Filed: May 31, 2007
    Date of Patent: June 2, 2009
    Assignee: Nidek Co., Ltd.
    Inventor: Ryoji Shibata
  • Patent number: 7507142
    Abstract: 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: Grant
    Filed: January 6, 2006
    Date of Patent: March 24, 2009
    Assignee: Nidek Co., Ltd.
    Inventor: Ryoji Shibata
  • Patent number: 7503836
    Abstract: 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: Grant
    Filed: April 3, 2007
    Date of Patent: March 17, 2009
    Assignee: Nidek Co., Ltd.
    Inventors: Kyoji Takeichi, Hirokatsu Obayashi, Ryoji Shibata
  • Publication number: 20090036025
    Abstract: An eyeglass lens processing apparatus includes: a processing apparatus body for processing a lens, which includes a grinding water supply unit for ejecting grinding water to a portion to be processed of the lens; a centrifugal separator which separates processing refuse from grinding water by rotating a dewatering bin to discharge the grinding water to the outside of the dewatering bin; and a calculation control unit which includes a counter for multiplying a processing refuse amount of the lens on the basis of a control signal of the apparatus and a memory for storing a processing refuse extraction reference provided to maintain filtering efficiency of the dewatering bin, the processing refuse extraction reference being determined on the basis of the multiplied processing refuse amount of the lens, and which generates an alarm signal when the multiplied processing refuse amount of the lens reaches the processing refuse extraction reference.
    Type: Application
    Filed: August 4, 2008
    Publication date: February 5, 2009
    Applicant: NIDEK CO., LTD
    Inventors: Motoshi TANAKA, Kenichi INAISHI, Ryoji SHIBATA
  • Patent number: 7476143
    Abstract: An eyeglass lens processing system includes a main processing apparatus having a first lens chuck, a roughing tool, a first bevel-finishing tool, a lens edge measuring unit, and a first computing unit to obtain roughing data and first bevel-finishing data, and a sub processing apparatus, and having a second lens chuck, and a second bevel-finishing tool having a smaller diameter than the first bevel-finishing tool. The main processing apparatus has a means to set whether processing of the lens is performed by the first and second bevel-finishing tools, a transmission unit that transmits at least one of second bevel-finishing data or data for obtaining the second bevel-finishing data to the sub processing apparatus, a first control unit that performs roughing based on the roughing data and bevel-finishing based on the first bevel-finishing data. The sub processing unit has a second control unit that performs bevel-finishing based on the second bevel-finishing data.
    Type: Grant
    Filed: January 5, 2007
    Date of Patent: January 13, 2009
    Assignee: Nidek Co., Ltd.
    Inventor: Ryoji Shibata