Jae-Bum Ko
53Patents
6h-index
12Co-inventors
65Inventor score
Filing activity: Oct 28, 2003 → Aug 25, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.