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LEE CHANGHYUN

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    197,191
About

LEE CHANGHYUN has a total of 24 patent applications. Its first patent ever was published in 2009. It filed its patents most often in United States. Its main competitors in its focus markets computer technology and semiconductors are SHIM SUNIL, KRILIC GORAN and PARK KI-TAE.

Patent filings in countries

World map showing LEE CHANGHYUNs patent filings in countries
# Country Total Patents
#1 United States 24

Patent filings per year

Chart showing LEE CHANGHYUNs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Lee Changhyun 24
#2 Son Byoungkeun 8
#3 Choi Jungdal 7
#4 Choe Byeong-In 5
#5 Hur Sunghoi 4
#6 Han Jinman 2
#7 Park Youngwoo 2
#8 Kim Doogon 2
#9 Kim Kihyun 2
#10 Chang Sung-Il 2

Latest patents

Publication Filing date Title
US2013140623A1 Three-dimensional semiconductor memory device
US2012286344A1 Non-volatile memory devices and methods of forming the same
US2012120732A1 Nonvolatile memory device and read method thereof
US2012081959A1 Memory system and programming method thereof