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EPIVALLEY CO LTD

Overview
  • Total Patents
    315
About

EPIVALLEY CO LTD has a total of 315 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets semiconductors, surface technology and coating and optics are AMBERWAVE SYSTEMS CORP, NANTONG TONGFANG SEMICONDUCTOR CO LTD and MANUTIUS IP INC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kim Chang Tae 147
#2 Yoo Tae Kyung 61
#3 Nam Gi Yeon 49
#4 Park Eun Hyun 42
#5 Jeon Soo Kun 35
#6 Lee Tae Hee 32
#7 Jung Hyun Min 24
#8 Kim Hyun Suk 21
#9 Kim Chang-Tae 20
#10 Yoo Tae-Kyung 17

Latest patents

Publication Filing date Title
KR20120108295A Substrate for growing compound semiconductor and compound semiconductor light emitting device having the same
KR20120100369A Iii-nitride semiconductor light emitting device
KR20120100359A Iii-nitride semiconductor light emitting device
KR20110017415A Manufacturing method of iii-nitride semiconductor light enitting device
KR20120052656A Iii nitride semiconductor light emitting device
KR20100120102A Semiconductor light emitting device
KR20110139592A Light emitting device
KR20100059775A Ⅲ-nitride semiconductor light emitting device and method for manufacturing the same
KR20110125868A Iii-nitride semiconductor light emitting device
KR20110125363A Iii-nitride semiconductor light emitting device
KR20100012003A Iii-nitride semiconductor light emitting device
KR20110083292A Iii-nitride semiconductor light emitting device
KR20110077363A Iii-nitride semiconductor light emitting device
US2010102338A1 III-Nitride Semiconductor Light Emitting Device
US2010102352A1 III-Nitride Semiconductor Light Emitting Device
US2010140656A1 Semiconductor Light-Emitting Device
KR20110040350A Iii-nitride semiconductor light emitting device
WO2011037291A1 Wireless modem device and an operating method therefor
KR20090117865A Ⅲ-nitride semiconductor light emitting device
KR20110029256A Iii-nitride semiconductor light emitting device