Patents by Inventor Nam Hyung Koo

Nam Hyung Koo 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: 20180246240
    Abstract: The present invention relates generally to an apparatus and method for calculating efficient 3-dimensional (3D) traveltime by using coarse-grid mesh for a shallow depth source. More particularly, the present invention relates to an efficient 3D traveltime calculation method for a shallow depth source by combining a suppressed wave equation estimation of traveltime (SWEET) algorithm and an equivalent source distribution (ESD) algorithm, wherein the SWEET algorithm is a traveltime calculation algorithm using an damped wave equation and the ESD algorithm is for equivalently distributed sources; and to an apparatus and method for calculating efficient 3D traveltime by using coarse-grid mesh for a shallow depth source which may need less calculation time compared with that of a conventional SWEET algorithm.
    Type: Application
    Filed: September 26, 2017
    Publication date: August 30, 2018
    Applicant: Korea Institute Of Geoscience And Mineral Resources
    Inventors: Woohyun Son, Sukjoon Pyun, Ho-Young Lee, Nam-Hyung Koo, Changsoo Shin
  • Publication number: 20180188400
    Abstract: The present invention relates to a system for marine seismic refraction survey using a remotely piloted air/water drone and a method thereof for acquiring refracted wave by providing a receiver on the air/water drone among marine seismic methods, being configured to include: a surveyvessel provided with a seismicsource generating a sound; and the air/water drone moving tethered to the surveyvessel while floating on the sea or operating under water and being capable of moving to a desired location by generating a lift force and a turning force through remote control. In addition, the system is to be used for marine seismic refraction survey by providing a hydrophone and streamer and a recording system which may record the seismic wave on an air/water drone, a remotely piloted marine observation system, whereby an effect is given to be able to acquire data of seismic refraction.
    Type: Application
    Filed: November 27, 2017
    Publication date: July 5, 2018
    Applicant: Korea Institute of Geoscience and Mineral Resources
    Inventors: Young-Jun KIM, Nam-Hyung Koo, Ho-Young Lee, Soon Hong Cheong, Jong Hwa Chun, Jung Ki Kim, Kyu Duk Hwang, SungDoo Hong, Sin Heo, GiDon Moon, CheolHun Jeong
  • Patent number: 9810801
    Abstract: Provided is a method for swell effect and mis-tie correction in high-resolution marine seismic data using multi-beam echo sounder data, and more particularly, a method for swell effect and mis-tie correction in high-resolution marine seismic data using multi-beam echo sounder data capable of acquiring the high-resolution marine seismic data having the swell effect and the mis-tie effectively corrected by using the multi-beam echo sounder data including water depth data of a sea-bottom having high precision.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: November 7, 2017
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Young-Jun Kim, Nam Hyung Koo, Won-Sik Kim, Jong-Hwa Chun
  • Publication number: 20160299244
    Abstract: Provided is a method for swell effect and mis-tie correction in high-resolution marine seismic data using multi-beam echo sounder data, and more particularly, a method for swell effect and mis-tie correction in high-resolution marine seismic data using multi-beam echo sounder data capable of acquiring the high-resolution marine seismic data having the swell effect and the mis-tie effectively corrected by using the multi-beam echo sounder data including water depth data of a sea-bottom having high precision.
    Type: Application
    Filed: December 9, 2015
    Publication date: October 13, 2016
    Inventors: YOUNG-JUN KIM, NAM HYUNG KOO, WON-SIK KIM, JONG-HWA CHUN
  • Patent number: 9268051
    Abstract: Provided are a system for acquiring chirp data for profiling the shallow sedimentary layers and a method for acquiring chirp data using the same, and more particularly, a system for acquiring chirp data which includes a new apparatus capable of recording chirp raw data and manufactures a high-resolution raw section preserving polarity and phase information using the recorded chirp raw data to enhance continuity and resolution of the sedimentary layers and a method for acquiring chirp data using the same.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: February 23, 2016
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Young Jun Kim, Nam Hyung Koo, Snons Cheong, Jong Hwa Chun, Dong Keun Yoo
  • Publication number: 20150260866
    Abstract: Provided are a system for acquiring chirp data for profiling the shallow sedimentary layers and a method for acquiring chirp data using the same, and more particularly, a system for acquiring chirp data which includes a new apparatus capable of recording chirp raw data and manufactures a high-resolution raw section preserving polarity and phase information using the recorded chirp raw data to enhance continuity and resolution of the sedimentary layers and a method for acquiring chirp data using the same.
    Type: Application
    Filed: July 25, 2014
    Publication date: September 17, 2015
    Inventors: Young Jun Kim, Nam Hyung Koo, Snons Cheong, Jong Hwa Chun, Dong Keun Yoo