Patents by Inventor Ryuta Sato

Ryuta Sato 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: 20210012043
    Abstract: In the design of a mechanical component for a mechanical device driven by a feedback controlled electric motor, the user is enabled to easily know how the properties of mechanical component affect the generation of abnormal vibrations of the mechanical device. In a design assist apparatus (1), the processor (11) is configured to set a plurality of parameters of a mathematical model of an analysis target component selected from one or more mechanical components (24, 56, 58) forming the mechanical device, compute a pole of a transfer function of the mechanical device associated with one or more vibration modes of the mechanical device according to the parameters, and create a stability determination diagram including an isoline of a real part of the pole of the transfer function.
    Type: Application
    Filed: December 17, 2018
    Publication date: January 14, 2021
    Inventors: Ryuta Sato, Atsushi Nagao, Takeshi Hashimoto, Taichi Sasaki
  • Patent number: 10788812
    Abstract: In the present invention: a plurality of meshes are defined on an object surface; the luminance of the object surface when the object surface is viewed from a viewpoint position is calculated for each of the plurality of meshes on the basis of data concerning a processed shape, a surface roughness curve, the viewpoint position, the direction, angle distribution, and intensity of incident light onto the object surface, and a reflectance and scattering characteristics for each wavelength on the object surface; the shape of the object surface is displayed on the basis of the luminances; and data concerning at least the object shape or the surface roughness curve is corrected so as to obtain a desired appearance of the object surface.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: September 29, 2020
    Assignees: NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, MAKINO MILLING MACHINE CO., LTD.
    Inventors: Ryuta Sato, Takumi Nakanishi, Mitsunari Oda, Nobu Nakayama
  • Patent number: 10775166
    Abstract: A shape evaluation method includes a shape error calculation step that calculates a shape error, which is an error between a designed shape and a shape to be evaluated, and a visible error detection step that detects visible shape errors on the basis of the shape error and predetermined visual characteristic data.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 15, 2020
    Assignees: NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, MAKINO MILLING MACHINE CO., LTD.
    Inventors: Ryuta Sato, Yuki Sato, Mitsunari Oda, Nobu Nakayama
  • Patent number: 10738184
    Abstract: Provided is an EVOH resin pellet which is capable of reducing the occurrence of fish eyes in a melt molded article of an EVOH resin. The occurrence of fish eyes in a melt molded article such as a film that is produced by melt molding using pellets is able to be suppressed by setting the abundance of a conjugated polyene in a surface portion of the pellet to an intended amount or more.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: August 11, 2020
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Ryuta Seno, Shinichi Hori, Nobuaki Sato
  • Publication number: 20200239717
    Abstract: An object is to achieve both good washing fastness and texture by combining a urethane resin of high fracture elongation with a small quantity of crosslinking agent. As a means for achieving the object, an inkjet ink composition for textile printing is provided that contains a pigment, a water-dispersible resin, a crosslinking agent, and water; wherein, as the water-dispersible resin, a resin of 1200 to 1800% in fracture elongation and 10 to 48 MPa in tensile strength is contained by 1.0 to 3.0 parts by mass relative to 1 part by mass of the pigment, and the crosslinking agent is contained by 0.03 to 0.17 parts by mass relative to 1 part by mass of the water-dispersible resin.
    Type: Application
    Filed: August 1, 2018
    Publication date: July 30, 2020
    Inventors: Yoichi SATO, Hiroyuki KONISHI, Ayumi MINEGISHI, Ryuta NODA
  • Patent number: 10712705
    Abstract: An image forming apparatus includes an exterior housing, an image forming unit in the exterior housing, the image forming unit, to form an image on a sheet, a scanner to read the image on a document, a first region in the exterior housing, the image forming unit being disposed in the first region in view from a front side of the exterior housing, a second region arranged side by side with the first region in a lateral direction in the exterior housing in view from the front side of the exterior housing, the scanner being disposed in the second region, and an opening defining a space in a front face of the exterior housing. The opening extends across the first region and the second region in a lower part of the exterior housing below the image forming unit and the scanner.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: July 14, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masahiro Ishida, Yuki Sato, Ryuta Kaneda, Kentaro Uji
  • Publication number: 20200192333
    Abstract: A parameter indicating a surface property of an object surface is plotted on the horizontal axis, a normal direction change rate of the shape of the object surface is plotted on the vertical axis, the minimum normal direction change rate visible to a person is associated with the parameter indicating the surface property of the object surface to create a visible area map, the relationship between the parameter indicating the surface property of a machining surface of a workpiece, and the maximum value of the normal direction change rate of the shape of the machining surface of the workpiece is displayed on the visible area map, and the object surface is evaluated.
    Type: Application
    Filed: February 5, 2018
    Publication date: June 18, 2020
    Inventors: Ryuta SATO, Takumi NAKANISHI, Mitsunari ODA, Nobu NAKAYAMA
  • Publication number: 20190361424
    Abstract: In this motion evaluation method, which uses a circular motion test to evaluate motion characteristics of a numerically controlled machine tool, a normal direction change rate of a trajectory is calculated from a circular motion trajectory, the normal direction change rate of the trajectory is displayed in polar coordinates, and the motion characteristics of the numerically controlled machine tool are evaluated.
    Type: Application
    Filed: February 5, 2018
    Publication date: November 28, 2019
    Applicants: NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, MAKINO MILLING MACHINE CO., LTD.
    Inventors: Ryuta SATO, Takumi NAKANISHI, Mitsunari ODA, Nobu NAKAYAMA
  • Publication number: 20190361385
    Abstract: An image forming apparatus includes an exterior housing, an image forming unit in the exterior housing, the image forming unit, to form an image on a sheet, a scanner to read the image on a document, a first region in the exterior housing, the image forming unit being disposed in the first region in view from a front side of the exterior housing, a second region arranged side by side with the first region in a lateral direction in the exterior housing in view from the front side of the exterior housing, the scanner being disposed in the second region, and an opening defining a space in a front face of the exterior housing. The opening extends across the first region and the second region in a lower part of the exterior housing below the image forming unit and the scanner.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 28, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Masahiro ISHIDA, Yuki SATO, Ryuta KANEDA, Kentaro UJI
  • Publication number: 20190299760
    Abstract: A sunroof apparatus includes a base panel (20) made of aluminum alloy and provided at a peripheral edge portion of an opening (11) formed at a body (10) of a vehicle, a sunroof unit (25) attached to the base panel (20), and a panel (13) arranged above the base panel (20), the panel being connected to the sunroof unit (25).
    Type: Application
    Filed: January 19, 2017
    Publication date: October 3, 2019
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Ryuta FUKADA, Akinori OSAMURA, Yusuke SATO
  • Publication number: 20190064771
    Abstract: In the present invention: a plurality of meshes are defined on an object surface; the luminance of the object surface when the object surface is viewed from a viewpoint position is calculated for each of the plurality of meshes on the basis of data concerning a processed shape, a surface roughness curve, the viewpoint position, the direction, angle distribution, and intensity of incident light onto the object surface, and a reflectance and scattering characteristics for each wavelength on the object surface; the shape of the object surface is displayed on the basis of the luminances; and data concerning at least the object shape or the surface roughness curve is corrected so as to obtain a desired appearance of the object surface.
    Type: Application
    Filed: February 28, 2017
    Publication date: February 28, 2019
    Applicants: NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, MAKINO MILLING MACHINE CO., LTD.
    Inventors: Ryuta SATO, Takumi NAKANISHI, Mitsunari ODA, Nobu NAKAYAMA
  • Patent number: 9920133
    Abstract: Monoclonal antibodies against human and mouse tissue factor, and fragments thereof, are disclosed, as well as pharmaceutical compositions and compositions for drug delivery containing the same. Therapeutic methods using the same are also disclosed.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: March 20, 2018
    Assignees: NATIONAL CANCER CENTER, The University of Tokyo, RIKEN, NanoCarrier Co., Ltd.
    Inventors: Yasuhiro Matsumura, Masahiro Yasunaga, Yoshikatsu Koga, Yoshiyuki Yamamoto, Ryuta Sato, Ryo Tsumura, Kazunori Kataoka, Nobuhiro Nishiyama, Yutaka Miura, Shino Manabe, Yasuki Kato
  • Publication number: 20170370714
    Abstract: A shape evaluation method according to the present invention comprises: a shape error calculation step that calculates a shape error, which is an error between a designed shape and a shape to be evaluated; and a visible error detection step that detects visible shape errors on the basis of the shape error and predetermined visual characteristic data.
    Type: Application
    Filed: February 2, 2016
    Publication date: December 28, 2017
    Applicants: NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, MAKINO MILLING MACHINE CO., LTD.
    Inventors: Ryuta SATO, Yuki SATO, Mitsunari ODA, Nobu NAKAYAMA
  • Publication number: 20160333113
    Abstract: Monoclonal antibodies against human and mouse tissue factor, and fragments thereof, are disclosed, as well as pharmaceutical compositions and compositions for drug delivery containing the same. Therapeutic methods using the same are also disclosed.
    Type: Application
    Filed: February 3, 2015
    Publication date: November 17, 2016
    Applicants: NATIONAL CANCER CENTER, The University of Tokyo, RIKEN, NanoCarrier Co., Ltd.
    Inventors: Yasuhiro MATSUMURA, Masahiro YASUNAGA, Yoshikatsu KOGA, Yoshiyuki YAMAMOTO, Ryuta SATO, Ryo TSUMURA, Kazunori KATAOKA, Nobuhiro NISHIYAMA, Yutaka MIURA, Shino MANABE, Yasuki KATO
  • Patent number: 9144869
    Abstract: A machine motion trajectory measuring device for measuring the motion trajectory of a machine used in an apparatus which controls the position of the machine by feeding back a detected position obtained by converting the rotation angles of motors for a plurality of movable axes and then driving the motors such that the detected position follows a commanded position is provided. The machine motion trajectory measuring device includes accelerometers for measuring the acceleration of the machine; and a motion trajectory measuring unit that measures the motion trajectory of the machine by obtaining the position of the machine by integrating the acceleration twice and correcting the position of the machine such that the profile of the position of the machine coincides with the profile of the detected position or the profile of an estimated position estimated using a model for simulating the response of the position of the machine to the commanded position.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: September 29, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventors: Ryuta Sato, Kotaro Nagaoka, Tomonori Sato
  • Publication number: 20130291661
    Abstract: An error display device is a device for displaying a translation error and an attitude error associated with a rectilinear motion of a machine element, and includes a reference-motion-trajectory display unit that displays a design motion trajectory, and an error magnification/display unit that magnifies the translation error and the attitude error and displays the magnified errors, wherein the error magnification/display unit calculates a translation error vector including a magnified translation error obtained by multiplying the translation error by a predetermined magnification factor, draws a translation error trajectory including the design motion trajectory and the translation error vector added thereto, calculates an attitude error matrix including a magnified attitude error obtained by multiplying the attitude error by a predetermined magnification factor, and draws a predetermined shape with coordinates transformed using the attitude error matrix and the translation error vector.
    Type: Application
    Filed: January 26, 2011
    Publication date: November 7, 2013
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Ryuta Sato, Kotaro Nagaoka, Shunro Ono
  • Publication number: 20130282328
    Abstract: The present invention has a rotation-axis geometric-deviation measuring step of measuring a position and a tilt of a rotation-axis center line by measuring a position of a point on a surface of a workpiece fixed to a rotation axis, a geometric-deviation-parameter setting step of setting a correction amount of the measured position and tilt of the rotation-axis center line in a numerical control device, a workpiece-installation-error measuring step of measuring an installation position and a tilt of the workpiece with reference to the position of the rotation-axis center line, and a workpiece-installation-error parameter setting step of setting the measured installation position and tilt of the workpiece in the numerical control device, and accordingly enables measurement of a position and a tilt of the rotation axis center by measuring the position of a point on the workpiece surface in a state where the workpiece is fixed to the rotation axis.
    Type: Application
    Filed: January 24, 2011
    Publication date: October 24, 2013
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Ryuta Sato, Yukihiro Iuchi, Shunro Ono
  • Publication number: 20120323373
    Abstract: A numerical control device including: a linear axis dependent position correction amount calculating unit which calculates a position correction amount of the linear axis from a translation error and an attitude error dependent on movement of the linear axis; a rotary axis dependent position correction amount calculating unit which calculates a position correction amount of the linear axis from a translation error and an attitude error dependent on movement of the rotary axis; a rotary axis angle correction amount calculating unit which calculates an angle correction amount of the rotary axis from a part of the attitude error dependent on movement of the linear axis and a part of the attitude error dependent on movement of the rotary axis; and a position addition correction amount calculating unit which calculates a position correction amount of the linear axis corresponding to the rotary axis correction amount.
    Type: Application
    Filed: February 25, 2010
    Publication date: December 20, 2012
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Ryuta Sato, Shunro Ono, Naoki Nakamura, Daisuke Fujino
  • Publication number: 20110246132
    Abstract: A machine motion trajectory measuring device for measuring the motion trajectory of a machine used in an apparatus which controls the position of the machine by feeding back a detected position obtained by converting the rotation angles of motors for a plurality of movable axes and then driving the motors such that the detected position follows a commanded position is provided. The machine motion trajectory measuring device includes accelerometers for measuring the acceleration of the machine; and a motion trajectory measuring unit that measures the motion trajectory of the machine by obtaining the position of the machine by integrating the acceleration twice and correcting the position of the machine such that the profile of the position of the machine coincides with the profile of the detected position or the profile of an estimated position estimated using a model for simulating the response of the position of the machine to the commanded position.
    Type: Application
    Filed: September 10, 2009
    Publication date: October 6, 2011
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Ryuta Sato, Kotaro Nagaoka, Tomonori Sato