Inventor

Ji Ho Chang

Inventor
Daejeon, KR

Overview

17→
Patents
2012–2020
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Tprimary
G06TImage data processing or generation, in general24%
H04NPictorial communication, e.g. television24%
G06VImage or video recognition or understanding14%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
G06FElectric digital data processing8%
H04SStereophonic systems8%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves3%
G01SRadio direction-finding3%
G06KGraphical data reading3%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
PatentTitleYear
10,664,793Systems and methods for automatic package tracking and prioritized reordering202010,362,430Audio providing method and device therefor201910,327,067Three-dimensional sound reproduction method and device201910,313,650Apparatus and method for calculating cost volume in stereo matching system including illuminator201910,171,911Method and device for outputting audio signal on basis of location information of speaker20199,998,725Apparatus and method for generating depth information20189,967,516Stereo matching method and device for performing the method20189,774,837'System for performing distortion correction and calibration using pattern projection, and method using the same'20179,721,348'Apparatus and method for raw-cost calculation using adaptive window mask'20179,053,540'Stereo matching by census transform and support weight cost aggregation'20158,811,750'Apparatus and method for extracting edge in image'20148,755,592'Stereo matching system using dynamic programming and method thereof'20148,401,280'Device for improving stereo matching results, method of improving stereo matching results using the device, and system for receiving stereo matching results'20138,369,536'Sound system, sound reproducing apparatus, sound reproducing method, monitor with speakers, mobile phone with speakers'20138,271,204'Human recognition apparatus and human recognition method'20128,243,124'Face detection apparatus and distance measurement method using the same'20128,098,276'Stereo vision system and control method thereof'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2015Patents assigned to CHANG JI HO (7)· patent assignee history
2012–2015Patents assigned to KOREA ELECTRONICS TELECOMM (7)· patent assignee history
2012–2015Patents assigned to CHO JAE IL (6)· patent assignee history
2012–2014Patents assigned to HWANG DAE HWAN (5)· patent assignee history
2012–2018Based in Daejeon, KR· patent location history
2014–2019Based in Gyeonggi-do, KR· patent location history
2017–2019Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (5)· patent assignee history
2018–2019Based in Sejong-si, KR· patent location history
2019Based in Suwon-si, KR· patent location history
2020Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHANG JI HOself72012–2015
KOREA ELECTRONICS TELECOMM72012–2015
CHO JAE IL62012–2015
ELECTRONICS & TELECOMMUNICATIONS RES INST52017–2019
HWANG DAE HWAN52012–2014
Locations
LocationPatentsSpan
Daejeon, KR72012–2018
Gyeonggi-do, KR32014–2019
Suwon-si, KR22019
Sejong-si, KR22018–2019
Seoul, KR12020