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DONGBU ELECTRONICS CO LTD

Overview
  • Total Patents
    6,597
About

DONGBU ELECTRONICS CO LTD has a total of 6,597 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea, United States and China. Its main competitors in its focus markets semiconductors, optics and electrical machinery and energy are ANAM SEMICONDUCTOR LTD, TAIWAN INTEGRATED CIRCUIT MANU and SEMICONDUCTOR INT IC MANUFACTURE SHANGHAI CO LTD.

Patent filings in countries

World map showing DONGBU ELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 5,368
#2 United States 903
#3 China 206
#4 Germany 45
#5 Japan 37
#6 Taiwan 34
#7 EPO (European Patent Office) 4

Patent filings per year

Chart showing DONGBU ELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Chang Hun 118
#2 Hwang Sang Il 73
#3 Jo Bo Yeoun 65
#4 Park Jeong Ho 64
#5 Han Jae Won 57
#6 Hong Ji Ho 56
#7 Jung Jin Hyo 53
#8 Hwang Joon 53
#9 Lee Han Choon 47
#10 Park Cheol Su 47

Latest patents

Publication Filing date Title
CN101789588A Method for openly judging three phase fault in power system line protection oscillation
KR20080110964A Method for improving overlay matching rate on photo process in a semiconductor device
KR20080063235A Cmos image sensor and method of manufaturing thereof
KR20080063237A Cmos image sensor and method of manufaturing thereof
KR100780544B1 Method of manufacturing image sensor
CN101118376A High definition mask and manufacturing method of the same
KR100835482B1 Semiconductor device topology measuring method using atomic force microscope
KR20080099716A A layout method for mask and a semiconductor device and method for manufacturing the same
KR20080099717A A semiconductor device and method for manufacturing the same
KR100837567B1 A layout method for mask
KR100837566B1 A layout method for mask and a semiconductor device and method for manufacturing the same
KR100862870B1 A semiconductor device and method for manufacturing the same
KR100864169B1 A layout method for mask and a semiconductor device
KR20080098789A Half tone phase shifting mask and method for manufacturing the same
KR100866454B1 Method for detecting error patterns of semiconductor device
KR100850146B1 Method for forming fine pattern of semiconductor device
KR100816227B1 Method of fabricating semiconductor devices
KR100868634B1 Semiconductor device and manufacturing method of semiconductor device
KR20080098211A Method for manufacturing a mask for producing a semiconductor device
KR20080098195A Method of fabricating semiconductor devices