Patents by Inventor Ritsuo Sakimura

Ritsuo Sakimura 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).

  • Patent number: 10670493
    Abstract: The invention provides a safety diagnosis system for structure, which comprises one GNSS receiver installed on an upper floor of a structure, a control device having a storage unit for storing a program which prepares an absolute displacement curve of the structure based on an absolute coordinate measured by the GNSS receiver and a displacement of the absolute coordinate, calculates a maximum inter-layer displacement and a maximum inter-layer deformation angle per each floor based on the absolute displacement curve and prepares an inter-layer deformation angle curve and a judging unit for performing a diagnosis of the safety of the structure based on the maximum inter-layer displacement and the maximum inter-layer deformation angle, and a display unit, wherein the control device calculates the maximum inter-layer displacement and the maximum inter-layer deformation angle per each floor and the inter-layer deformation angle curve based on a displacement of the absolute coordinate and the program and makes the
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: June 2, 2020
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Tadayuki Morishita, Yoshihito Saito, Hiroaki Ryujin, Koichiro Fuse, Kazuhiro Ogawa, Kaoru Kumagai, Ritsuo Sakimura
  • Publication number: 20160084961
    Abstract: The invention provides a safety diagnosis system for structure, which comprises one GNSS receiver installed on an upper floor of a structure, a control device having a storage unit for storing a program which prepares an absolute displacement curve of the structure based on an absolute coordinate measured by the GNSS receiver and a displacement of the absolute coordinate, calculates a maximum inter-layer displacement and a maximum inter-layer deformation angle per each floor based on the absolute displacement curve and prepares an inter-layer deformation angle curve and a judging unit for performing a diagnosis of the safety of the structure based on the maximum inter-layer displacement and the maximum inter-layer deformation angle, and a display unit, wherein the control device calculates the maximum inter-layer displacement and the maximum inter-layer deformation angle per each floor and the inter-layer deformation angle curve based on a displacement of the absolute coordinate and the program and makes the
    Type: Application
    Filed: September 22, 2015
    Publication date: March 24, 2016
    Inventors: Tadayuki Morishita, Yoshihito Saito, Hiroaki Ryujin, Koichiro Fuse, Kazuhiro Ogawa, Kaoru Kumagai, Ritsuo Sakimura
  • Patent number: 8749763
    Abstract: A surveying device includes a surveying unit configured to measure a direction and a distance to a target object, a control unit configured to control the surveying unit, a communication unit configured to allow the control unit to communicate with an outside network, and a status input unit with which operation status information on the surveying unit is input, wherein the control unit transmits the operation status information input with the status input unit to the outside network via the communication unit.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: June 10, 2014
    Assignee: Kabushiki Kaisha Topcon
    Inventors: Ritsuo Sakimura, Sora Otaguro
  • Publication number: 20120133918
    Abstract: A surveying device includes a surveying unit configured to measure a direction and a distance to a target object, a control unit configured to control the surveying unit, a communication unit configured to allow the control unit to communicate with an outside network, and a status input unit with which operation status information on the surveying unit is input, wherein the control unit transmits the operation status information input with the status input unit to the outside network via the communication unit.
    Type: Application
    Filed: November 30, 2011
    Publication date: May 31, 2012
    Applicant: KABUSHIKI KAISHA TOPCON
    Inventors: Ritsuo Sakimura, Sora Otaguro
  • Patent number: 7564538
    Abstract: The present invention provides a measuring system, which comprises a surveying device installed at a known point, at least one photodetection device to be installed at a measuring point, and a main arithmetic device; wherein the surveying device projects by rotary irradiation a reference plane forming laser beam including two or more fan-shaped laser beams with at least one of the fan-shaped laser beams tilted and a distance measuring light performs distance measurement by receiving a reflected distance measuring light, and performs communication of the distance measurement data between the photodetection device and the main arithmetic device; wherein the photodetection device calculates an elevation angle with respect to the surveying device based on a photodetection signal issued by receiving the reference plane forming laser beam, calculates an elevation position based on the elevation angle and the distance to the surveying device, and performs communication of distance measurement data and elevation posi
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: July 21, 2009
    Assignee: Kabushiki Kaisha TOPCON
    Inventors: Ritsuo Sakimura, Hajime Sinozaki
  • Publication number: 20080074638
    Abstract: The present invention provides a measuring system, which comprises a surveying device installed at a known point, at least one photodetection device to be installed at a measuring point, and a main arithmetic device; wherein the surveying device projects by rotary irradiation a reference plane forming laser beam including two or more fan-shaped laser beams with at least one of the fan-shaped laser beams tilted and a distance measuring light performs distance measurement by receiving a reflected distance measuring light, and performs communication of the distance measurement data between the photodetection device and the main arithmetic device; wherein the photodetection device calculates an elevation angle with respect to the surveying device based on a photodetection signal issued by receiving the reference plane forming laser beam, calculates an elevation position based on the elevation angle and the distance to the surveying device, and performs communication of distance measurement data and elevation posi
    Type: Application
    Filed: September 17, 2007
    Publication date: March 27, 2008
    Inventors: Ritsuo Sakimura, Hajime Sinozaki
  • Patent number: 7177016
    Abstract: An electronically surveying apparatus of the present invention includes a storing portion for storing positional information of a surveying apparatus body and design data; an angle-measuring portion for electronically measuring an angle between a reference direction and an aimed direction; an arithmetic processing portion for obtaining a model of an expected arrangement at completion of an object which is expected to be seen from the surveying apparatus body in the aimed direction by calculation, based on the angle measured by the angle-measuring portion and the design data; and a displaying portion for displaying the model of the expected arrangement at completion of the object.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: February 13, 2007
    Assignee: Kabushiki Kaisha Topcon
    Inventors: Fumio Ohtomo, Ritsuo Sakimura
  • Publication number: 20040246468
    Abstract: An electronically surveying apparatus of the present invention includes a storing portion for storing positional information of a surveying apparatus body and design data; an angle-measuring portion for electronically measuring an angle between a reference direction and an aimed direction; an arithmetic processing portion for obtaining a model of an expected arrangement at completion of an object which is expected to be seen from the surveying apparatus body in the aimed direction by calculation, based on the angle measured by the angle-measuring portion and the design data; and a displaying portion for displaying the model or the expected arrangement at completion of the object.
    Type: Application
    Filed: April 14, 2004
    Publication date: December 9, 2004
    Applicant: KABUSHIKI KAISHA TOPCON
    Inventors: Fumio Ohtomo, Ritsuo Sakimura
  • Patent number: 5440112
    Abstract: A surveying instrument includes a main body and a terminal portion located away from the main body. The main body includes a measuring unit 20 capable of operating in a tracking mode in which a target 11 for searching a set out point S to be set out at a point of land is tracked and a measuring mode in which the position of the target 11 is measured, a first communication unit 15 for transmitting data concerning a target position measured by the measuring unit to the terminal portion, a mode judging unit 47 for judging that the measuring unit is operating in the tracking or measuring mode, and a result informing unit 54 for informing a result obtained by the mode judging unit 47 toward the side of the target.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: August 8, 1995
    Assignee: Kabushiki Kaisha Topcon
    Inventors: Ritsuo Sakimura, Kazuaki Kimura, Hiroshi Inaba