Inventor · Seojong-myeon, KR

Chang-Ho Do

114Patents
9h-index
19Co-inventors
73Inventor score

Filing activity: May 21, 1999 → Sep 12, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7773439B2 Test operation of multi-port memory device Physics 60 Active
US7266030B2 Method for measuring offset voltage of sense amplifier and semiconductor employing the method Physics 15 Expired
US7586350B2 Circuit and method for initializing an internal logic unit in a semiconductor memory device Electricity 13 Active
US6353570B2 Row redundancy circuit using a fuse box independent of banks Physics 13 Expired
US7522459B2 Data input circuit of semiconductor memory device Physics 11 Active
US6166967A Multi-bank testing apparatus for a synchronous DRAM Physics 10 Expired
US7394712B2 Semiconductor memory device performing self refresh operation Physics 10 Active
US6504769B2 Semiconductor memory device employing row repair scheme Electricity 9 Expired
US7123062B2 Power-up circuit in semiconductor memory device Physics 9 Expired
US8208336B2 Fuse circuit and semiconductor device having the same Physics 9 Active
US8031552B2 Multi-port memory device with serial input/output interface Physics 8 Active
US7616518B2 Multi-port memory device with serial input/output interface Physics 8 Active
US7068547B2 Internal voltage generating circuit in semiconductor memory device Physics 8 Expired
US7916558B2 Semiconductor memory device and method for reading/writing data thereof Physics 7 Active
US7279934B2 Apparatus for delivering inputted signal data Electricity 6 Expired
US7289377B2 Internal voltage generator capable of regulating an internal voltage of a semiconductor memory device Physics 6 Expired
US7123079B2 High voltage generator in semiconductor memory device Physics 6 Expired
US8045394B2 Word line driving circuit, semiconductor memory device including the same, and method for testing the semiconductor memory device Physics 6 Active
US7450448B2 Semiconductor memory device Physics 5 Active
US7804723B2 Semiconductor memory device with signal aligning circuit Physics 5 Active
US7395475B2 Circuit and method for fuse disposing in a semiconductor memory device Physics 5 Expired
US7852129B2 Power up signal generation circuit and method for generating power up signal Electricity 5 Active
USRE40172E1 Multi-bank testing apparatus for a synchronous dram General 5 Expired
US7979758B2 Semiconductor memory device Physics 5 Active
US7499356B2 Semiconductor memory device Physics 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.