Patents by Inventor Katsuyuki Yanagi
Katsuyuki Yanagi 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: 11320529Abstract: A tracking device is provided, which may include a correction target area setting module configured to set an area in which an unnecessary echo tends to be generated based on a structure or behavior of a ship, as a correction target area, a correction target echo extracting module configured to extract a target object echo within the correction target area from a plurality of detected target object echoes, as a correction target echo, a scoring module configured to score a matching level between previous echo information on a target object echo and detected echo information on each of the target object echoes, based on the previous echo information, the detected echo information and the extraction result, and a determining module configured to determine a target object echo as a current tracking target by using the scored result.Type: GrantFiled: August 22, 2019Date of Patent: May 3, 2022Assignee: Furuno Electric Co., Ltd.Inventors: Daisuke Fujioka, Katsuyuki Yanagi, Suminori Ekuni, Yugo Kubota
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Publication number: 20200064459Abstract: A tracking device is provided, which may include a correction target area setting module configured to set an area in which an unnecessary echo tends to be generated based on a structure or behavior of a ship, as a correction target area, a correction target echo extracting module configured to extract a target object echo within the correction target area from a plurality of detected target object echoes, as a correction target echo, a scoring module configured to score a matching level between previous echo information on a target object echo and detected echo information on each of the target object echoes, based on the previous echo information, the detected echo information and the extraction result, and a determining module configured to determine a target object echo as a current tracking target by using the scored result.Type: ApplicationFiled: August 22, 2019Publication date: February 27, 2020Inventors: Daisuke Fujioka, Katsuyuki Yanagi, Suminori Ekuni, Yugo Kubota
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Publication number: 20190204416Abstract: A target object detecting device is provided, which may include an acquisition part, a generation part, and a detecting part. The acquisition part may acquire echo signals from target objects around a ship. The generation part may generate a first echo image based on the echo signals. The detecting part may input the first echo image into a model built by a program implementing a machine learning algorithm, and may detect a first target object that is a target object other than a ship corresponding to the model, based on an output from the model.Type: ApplicationFiled: December 27, 2018Publication date: July 4, 2019Inventors: Katsuyuki Yanagi, Shinsuke Inoue, Katsuo Yamada
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Patent number: 9551782Abstract: A radar apparatus is provided. The radar apparatus includes a transmitter configured to transmit radar signals via a radar antenna, a receiver configured to receive reflection waves that are echoes of the radar signals, via the radar antenna, a radar image generating module configured to generate a radar image based on the reflection waves received by the receiver, a performance monitor configured to measure performance of at least one of the transmitter and the receiver, and a controller configured to cause the performance monitor to perform the measurement while the transmission of the radar signals is suspended.Type: GrantFiled: May 27, 2014Date of Patent: January 24, 2017Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventors: Katsuyuki Yanagi, Yoshifumi Ohnishi
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Patent number: 9453912Abstract: A ship perimeter information display device is provided. The device includes a sensor information input unit connected with a sensor equipped in a first ship and for receiving an input of a detection result of the sensor, an AIS information input unit for receiving an input of VDO information that is a VHF data link own-ship message contained in AIS information transmitted from the first ship to a second ship, a display unit for displaying a situational image illustrating a situation around the first ship, and a control unit for displaying, on the display unit, information indicating a difference between first state information of the first ship obtained based on the detection result of the sensor and second state information of the first ship obtained based on the VDO information.Type: GrantFiled: April 16, 2013Date of Patent: September 27, 2016Assignee: Furuno Electric Co., Ltd.Inventors: Hidetoshi Kaida, Motoji Kondo, Katsuyuki Yanagi, Masahiro Nakahama
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Patent number: 9041590Abstract: This disclosure provides a tracking information control device. The device includes a receiver for receiving, from two radar devices, data relating to a target echo received by a radar antenna of one of the radar devices, and data relating to a target echo received by a radar antenna of the other radar device, the data being obtained from tracking the target echoes, respectively, a determiner for determining whether the target echoes indicate the same target object, an ID applier for applying the same ID to the target echoes when the determiner determines that the target echoes indicate the same target object, and a transmitter for transmitting the same IDs to the radar devices in order to inform whether the target echoes displayed by the radar devices, respectively, indicate the same target object.Type: GrantFiled: June 12, 2012Date of Patent: May 26, 2015Assignee: FURUNO ELECTRIC COMPANY LIMITEDInventor: Katsuyuki Yanagi
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Publication number: 20140354468Abstract: A radar apparatus is provided. The radar apparatus includes a transmitter configured to transmit radar signals via a radar antenna, a receiver configured to receive reflection waves that are echoes of the radar signals, via the radar antenna, a radar image generating module configured to generate a radar image based on the reflection waves received by the receiver, a performance monitor configured to measure performance of at least one of the transmitter and the receiver, and a controller configured to cause the performance monitor to perform the measurement while the transmission of the radar signals is suspended.Type: ApplicationFiled: May 27, 2014Publication date: December 4, 2014Applicant: FURUNO Electric Company LimitedInventors: Katsuyuki YANAGI, Yoshifumi OHNISHI
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Publication number: 20130271309Abstract: A ship perimeter information display device is provided. The device includes a sensor information input unit connected with a sensor equipped in a first ship and for receiving an input of a detection result of the sensor, an AIS information input unit for receiving an input of VDO information that is a VHF data link own-ship message contained in AIS information transmitted from the first ship to a second ship, a display unit for displaying a situational image illustrating a situation around the first ship, and a control unit for displaying, on the display unit, information indicating a difference between first state information of the first ship obtained based on the detection result of the sensor and second state information of the first ship obtained based on the VDO information.Type: ApplicationFiled: April 16, 2013Publication date: October 17, 2013Applicant: Furuno Electric Co., Ltd.Inventors: Hidetoshi Kaida, Motoji Kondo, Katsuyuki Yanagi, Masahiro Nakahama
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Patent number: 8423278Abstract: This disclosure provides a navigation aid device that includes a calculation time setting module for setting two or more calculation points of time for calculating trial information, a ship-concerned information acquisition module for acquiring ship-concerned information including a position of a ship concerned at every predetermined ship-concerned information acquisition time, a ship-concerned trial information calculating module for calculating ship-concerned trial information including the position of the ship concerned at each calculation point of time based on the ship-concerned information acquired at the newest information acquisition time with respect to the calculation point of time.Type: GrantFiled: November 18, 2009Date of Patent: April 16, 2013Assignee: Furuno Electric Company LimitedInventors: Motoji Kondo, Katsuyuki Yanagi, Takashi Inaoka
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Publication number: 20120313807Abstract: This disclosure provides a tracking information control device. The device includes a receiver for receiving, from two radar devices, data relating to a target echo received by a radar antenna of one of the radar devices, and data relating to a target echo received by a radar antenna of the other radar device, the data being obtained from tracking the target echoes, respectively, a determiner for determining whether the target echoes indicate the same target object, an ID applier for applying the same ID to the target echoes when the determiner determines that the target echoes indicate the same target object, and a transmitter for transmitting the same IDs to the radar devices in order to inform whether the target echoes displayed by the radar devices, respectively, indicate the same target object.Type: ApplicationFiled: June 12, 2012Publication date: December 13, 2012Inventor: Katsuyuki YANAGI
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Patent number: 7956798Abstract: A radar apparatus having an integral ARPA function transmits at least two kinds of pulse signals, each of which has different pulselength, according to a specific transmission pattern and receives echoes of the transmitted pulse signal. The radar apparatus includes an echo data generator for generating display echo data for each range scale selected for on-screen presentation by using an echo signal obtained with each transmission pulselength, an ARPA processor for generating a single set of motion-related information on each tracked target to be superimposed on the display echo data by using echo signals obtained with the different pulselengths, a display output synthesizer for superimposing the motion-related information on each tracked target generated by the ARPA processor on the display echo data, and a display unit for displaying a superimposed picture produced by the display output synthesizer.Type: GrantFiled: June 12, 2007Date of Patent: June 7, 2011Assignee: Furuno Electric Company, LtdInventors: Katsuyuki Yanagi, Koji Dai, Sae Takemoto
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Patent number: 7583224Abstract: The portion corresponding to a main bang signal leaking from a transmission/reception switching unit is extracted as a frequency estimation signal from an IF signal from a mixer in a signal extracting unit, a frequency is estimated in a frequency estimating unit, and the frequency of a local oscillation signal of a local oscillator is controlled so that the frequency of the IF signal is equal to a target value. The frequency estimation in the frequency estimating unit is carried out by using Discrete Fourier Transform or Fast Fourier Transform.Type: GrantFiled: June 12, 2007Date of Patent: September 1, 2009Assignee: Furuno Electric Co., Ltd.Inventors: Masahiro Nakahama, Yoshihiro Ishii, Katsuyuki Yanagi, Koji Dai
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Publication number: 20080122684Abstract: The portion corresponding to a main bang signal leaking from a transmission/reception switching unit is extracted as a frequency estimation signal from an IF signal from a mixer in a signal extracting unit, a frequency is estimated in a frequency estimating unit, and the frequency of a local oscillation signal of a local oscillator is controlled so that the frequency of the IF signal is equal to a target value. The frequency estimation in the frequency estimating unit is carried out by using Discrete Fourier Transform or Fast Fourier Transform.Type: ApplicationFiled: June 12, 2007Publication date: May 29, 2008Inventors: Masahiro Nakahama, Yoshihiro Ishii, Katsuyuki Yanagi, Koji Dai
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Publication number: 20080100503Abstract: A radar apparatus having an integral ARPA function transmits at least two kinds of pulse signals, each of which has different pulselength, according to a specific transmission pattern and receives echoes of the transmitted pulse signal. The radar apparatus includes an echo data generator for generating display echo data for each range scale selected for on-screen presentation by using an echo signal obtained with each transmission pulselength, an ARPA processor for generating a single set of motion-related information on each tracked target to be superimposed on the display echo data by using echo signals obtained with the different pulselengths, a display output synthesizer for superimposing the motion-related information on each tracked target generated by the ARPA processor on the display echo data, and a display unit for displaying a superimposed picture produced by the display output synthesizer.Type: ApplicationFiled: June 12, 2007Publication date: May 1, 2008Applicant: Furuno Electric Company LimitedInventors: Katsuyuki Yanagi, Koji Dai, Sae Takemoto
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Patent number: 7089094Abstract: A vehicle information display apparatus receives multiple pieces of information on mobile vehicles, determines degrees of importance of the individual pieces of information according to specific conditions, and displays symbols of only those mobile vehicles of which importance falls within a predefined range or symbols of only a specific number of mobile vehicles selected according to their importance in graphic form with enhanced visibility.Type: GrantFiled: May 28, 2004Date of Patent: August 8, 2006Assignee: Furuno Electric Company, LimitedInventor: Katsuyuki Yanagi
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Publication number: 20060129288Abstract: A vehicle information display apparatus receives multiple pieces of information on mobile vehicles, determines degrees of importance of the individual pieces of information according to specific conditions, and displays symbols of only those mobile vehicles of which importance falls within a predefined range or symbols of only a specific number of mobile vehicles selected according to their importance in graphic form with enhanced visibility.Type: ApplicationFiled: May 28, 2004Publication date: June 15, 2006Applicant: Furuno Electric Co., Ltd.Inventor: Katsuyuki Yanagi
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Patent number: 7016772Abstract: A vehicle information display apparatus receives multiple pieces of information on mobile vehicles, determines degrees of importance of the individual pieces of information according to specific conditions, and displays symbols of only those mobile vehicles of which importance falls within a predefined range or symbols of only a specific number of mobile vehicles selected according to their importance in graphic form with enhanced visibility.Type: GrantFiled: August 2, 2002Date of Patent: March 21, 2006Assignee: Furuno Electric Company, LimitedInventor: Katsuyuki Yanagi
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Publication number: 20030028294Abstract: A vehicle information display apparatus receives multiple pieces of information on mobile vehicles, determines degrees of importance of the individual pieces of information according to specific conditions, and displays symbols of only those mobile vehicles of which importance falls within a predefined range or symbols of only a specific number of mobile vehicles selected according to their importance in graphic form with enhanced visibility.Type: ApplicationFiled: August 2, 2002Publication date: February 6, 2003Inventor: Katsuyuki Yanagi