Inventor
LEE HAN CHOON
KR43 patents
⚠️ This page may combine multiple inventors who share the name “LEE HAN CHOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DONGBU HITEK CO LTD
18 patentsUS7679192B2Mar 16, 2010
Semiconductor device including cover layer
DONGBU HITEK CO LTD9 citations84
US7897425B2Mar 1, 2011
Image sensor and method for fabricating the same
DONGBU HITEK CO LTD12 citations82
US10412504B2Sep 10, 2019
MEMS microphone and method of manufacturing the same
DONGBU HITEK CO LTD2 citations72
US10158949B2Dec 18, 2018
MEMS microphone and method of manufacturing the same
DONGBU HITEK CO LTD3 citations72
US10158952B2Dec 18, 2018
MEMS microphone and method of manufacturing the same
DONGBU HITEK CO LTD3 citations72
US10785557B2Sep 22, 2020
MEMS microphone and method of manufacturing the same
DONGBU HITEK CO LTD2 citations68
US7880242B2Feb 1, 2011
Semiconductor device and method of fabricating the same
DONGBU HITEK CO LTD3 citations63
US7531451B2May 12, 2009
SIP semiconductor device and method for manufacturing the same
DONGBU HITEK CO LTD2 citations63
US7498262B2Mar 3, 2009
Method of fabricating a thin film and metal wiring in a semiconductor device
DONGBU HITEK CO LTD3 citations61
US7666762B2Feb 23, 2010
Method for fabricating semiconductor device
DONGBU HITEK CO LTD2 citations60
US7968408B2Jun 28, 2011
MIM capacitor and method of fabricating the same
DONGBU HITEK CO LTD1 citations52
US7964495B2Jun 21, 2011
Method of manufacturing complementary metal oxide semiconductor image sensor
DONGBU HITEK CO LTD0 citations52
US7858515B2Dec 28, 2010
Method for forming metal line in semiconductor device
DONGBU HITEK CO LTD0 citations52
US7692302B2Apr 6, 2010
SIP semiconductor device and method for manufacturing the same
DONGBU HITEK CO LTD0 citations52
US7674700B2Mar 9, 2010
Apparatus for manufacturing semiconductor device and method for manufacturing semiconductor device using the same
DONGBU HITEK CO LTD1 citations52
US8987034B2Mar 24, 2015
Backside illumination CMOS image sensor and method of manufacturing the same
DONGBU HITEK CO LTD0 citations50
US10393689B2Aug 27, 2019
Semiconductor gas sensor and method of manufacturing the same
DONGBU HITEK CO LTD0 citations42
US10241067B2Mar 26, 2019
Semiconductor gas sensor and method of manufacturing the same
DONGBU HITEK CO LTD0 citations38
DONGBU ELECTRONICS CO LTD
14 patentsUS7407881B2Aug 5, 2008
Semiconductor device and method for manufacturing the same
DONGBU ELECTRONICS CO LTD14 citations84
US7582563B2Sep 1, 2009
Method for fabricating fully silicided gate
DONGBU ELECTRONICS CO LTD2 citations63
US7307017B2Dec 11, 2007
Semiconductor devices and fabrication methods thereof
DONGBU ELECTRONICS CO LTD2 citations63
US7186646B2Mar 6, 2007
Semiconductor devices and methods of forming a barrier metal in semiconductor devices
DONGBU ELECTRONICS CO LTD4 citations63
US7122474B2Oct 17, 2006
Method for forming barrier metal of semiconductor device
DONGBU ELECTRONICS CO LTD3 citations63
US7811928B2Oct 12, 2010
Semiconductor devices and fabrication methods thereof
DONGBU ELECTRONICS CO LTD0 citations52
US7767580B2Aug 3, 2010
Semiconductor device and method of fabricating the same
DONGBU ELECTRONICS CO LTD0 citations52
US7745348B2Jun 29, 2010
Manufacturing method of a semiconductor device
DONGBU ELECTRONICS CO LTD1 citations52
US7682965B2Mar 23, 2010
Method for manufacturing semiconductor device
DONGBU ELECTRONICS CO LTD1 citations52
US7645699B2Jan 12, 2010
Method of forming a diffusion barrier layer using a TaSiN layer and method of forming a metal interconnection line using the same
DONGBU ELECTRONICS CO LTD1 citations52
US7442639B2Oct 28, 2008
Method of forming plug of semiconductor device
DONGBU ELECTRONICS CO LTD1 citations52
US7439175B2Oct 21, 2008
Method for fabricating a thin film and metal line of semiconductor device
DONGBU ELECTRONICS CO LTD0 citations52
US7482276B2Jan 27, 2009
Semiconductor device and method of manufacturing the same
DONGBU ELECTRONICS CO LTD1 citations51
US7432193B2Oct 7, 2008
Method for fabricating a thin film and a metal line of a semiconductor device
DONGBU ELECTRONICS CO LTD0 citations51
DONGBUANAM SEMICONDUCTOR INC
3 patentsUS7037836B2May 2, 2006
Method of manufacturing a semiconductor device without oxidized copper layer
DONGBUANAM SEMICONDUCTOR INC81 citations98
US7427561B2Sep 23, 2008
Method for manufacturing semiconductor device
DONGBUANAM SEMICONDUCTOR INC6 citations63
US6927163B2Aug 9, 2005
Method and apparatus for manufacturing a barrier layer of semiconductor device
DONGBUANAM SEMICONDUCTOR INC1 citations50
DB HITEK CO LTD
3 patentsUS11259125B2Feb 22, 2022
MEMS microphone and method of manufacturing the same
DB HITEK CO LTD1 citations55
US11418889B2Aug 16, 2022
Back plate and MEMS microphone having the same
DB HITEK CO LTD0 citations46
US10785577B2Sep 22, 2020
MEMS microphone and method of manufacturing the same
DB HITEK CO LTD0 citations36