Inventor
KIM CHEON S
KR4 patents
Patents
4 patentsUS5185282AFeb 9, 1993
Method of manufacturing DRAM cell having a cup shaped polysilicon storage electrode
KOREA ELECTRONICS TELECOMM134 citations96
US5252845AOct 12, 1993
Trench DRAM cell with vertical transistor
KOREA ELECTRONICS TELECOMM90 citations94
US5223447AJun 29, 1993
DRAM-cell having an isolation merged trench and its method of manufacture
KOREA ELECTRONICS TELECOMM40 citations91
US5448617ASep 5, 1995
Method of processing intelligent network service call with DTMF subscriber signalling in electronic switching system for toll/tandem
KOREA ELECTRONICS TELECOMM7 citations63