Inventor · Icheon-si, KR

Jae-Bum Ko

53Patents
6h-index
12Co-inventors
65Inventor score

Filing activity: Oct 28, 2003 → Aug 25, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6937535B2 Semiconductor memory device with reduced data access time Physics 117 Expired
US7078949B2 Analog delay locked loop having duty cycle correction circuit Electricity 25 Expired
US7075847B2 Semiconductor memory device having optimum refresh cycle according to temperature variation Physics 25 Expired
US6987409B2 Analog delay locked loop with tracking analog-digital converter Electricity 19 Expired
US7990776B2 Semiconductor memory device with optimum refresh cycle according to temperature variation Physics 14 Active
US7870362B2 Semiconductor memory device having advanced tag block Physics 12 Expired
US7088637B2 Semiconductor memory device for high speed data access Physics 6 Expired
US8917110B2 Semiconductor package including multiple chips and memory system having the same Electricity 6 Active
US7057964B2 Semiconductor memory device with efficient multiplexing of I/O pad in multi-chip package Physics 5 Expired
US8713349B2 Semiconductor apparatus Electricity 5 Active
US7979758B2 Semiconductor memory device Physics 5 Active
US9177625B2 Semiconductor chip, semiconductor integrated circuit including the semiconductor chip, semiconductor system including the semiconductor integrated circuit and method of driving the semiconductor system Physics 4 Active
USRE42976E1 Semiconductor memory device with reduced data access time General 3 Active
US8489902B2 Semiconductor integrated circuit Physics 3 Active
US8503256B2 Column command buffer and latency circuit including the same Physics 3 Active
US9324380B2 Stacked semiconductor apparatus and semiconductor system capable of inputting signals through various paths Electricity 3 Active
US6930630B1 Analog-to-digital converter Electricity 3 Expired
US8225150B2 Semiconductor memory device Physics 2 Active
US8803597B2 Semiconductor integraged circuit having compatible mode selection circuit Electricity 2 Active
US7304877B2 Semiconductor memory device with uniform data access time Physics 2 Expired
US8804453B2 Integrated circuit including semiconductor memory devices having stack structure Physics 2 Active
US8344783B2 Delay circuit and method for delaying signal Electricity 2 Active
US9519020B2 Semiconductor apparatus and chip selecting method thereof Electricity 2 Active
US7174418B2 Semiconductor memory device for enhancing refresh operation in high speed data access Physics 2 Expired
US9305909B2 3D semiconductor apparatus for initializing channels Electricity 2 Active

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