Sakhawat M. Khan
35Patents
20h-index
9Co-inventors
78Inventor score
Filing activity: Sep 26, 1990 → Dec 24, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6867638B2 | High voltage generation and regulation system for digital multilevel nonvolatile memory | Physics | 211 | Expired |
| US5687114A | Integrated circuit for storage and retrieval of multiple digital bits per nonvolatile memory cell | Physics | 170 | Expired |
| US6282145A | Array architecture and operating methods for digital multilevel nonvolatile memory integrated circuit system | Physics | 137 | Expired |
| US5901089A | Stabilization circuits and techniques for storage and retrieval of single or multiple digital bits per memory cell | Physics | 131 | Expired |
| US5388064A | Programmable non-volatile analog voltage source devices and methods | Physics | 125 | Expired |
| US6396742B1 | Testing of multilevel semiconductor memory | Physics | 112 | Expired |
| US7471581B2 | Wide dynamic range and high speed voltage mode sensing for a multilevel digital non-volatile memory | Physics | 78 | Active |
| US5241494A | Integrated circuit system for analog signal recording and playback | Physics | 77 | Expired |
| US6519180B2 | Array architecture and operating methods for digital multilevel nonvolatile memory integrated circuit system | Physics | 74 | Expired |
| US5870335A | Precision programming of nonvolatile memory cells | Physics | 74 | Expired |
| US5905673A | Integrated circuit for storage and retrieval of multiple digital bits per nonvolatile memory cell | Physics | 58 | Expired |
| US5623436A | Method and apparatus for adjustment and control of an iterative method of recording analog signals with on-chip trimming techniques | Physics | 44 | Expired |
| US5243239A | Integrated MOSFET resistance and oscillator frequency control and trim methods and apparatus | Electricity | 43 | Expired |
| US6462986B1 | Integrated circuit for storage and retrieval of multiple digital bits per nonvolatile memory cell | Physics | 42 | Expired |
| US5352934A | Integrated mosfet resistance and oscillator frequency control and trim methods and apparatus | Electricity | 41 | Expired |
| US6038174A | Precision programming of nonvolatile memory cells | Physics | 39 | Expired |
| US5815439A | Stabilization circuits and techniques for storage and retrieval of single or multiple digital bits per memory cell | Physics | 38 | Expired |
| US6590825B2 | Non-volatile flash fuse element | Physics | 26 | Expired |
| US5664060A | Message management methods and apparatus | Physics | 24 | Expired |
| US6285598A | Precision programming of nonvolatile memory cells | Physics | 24 | Expired |
| US6992937B2 | Column redundancy for digital multilevel nonvolatile memory | Physics | 19 | Expired |
| US6487116B2 | Precision programming of nonvolatile memory cells | Physics | 11 | Expired |
| US6751118B2 | Array architecture and operating methods for digital multilevel nonvolatile memory integrated circuit system | Physics | 10 | Expired |
| US7035151B2 | Array architecture and operating methods for digital multilevel nonvolatile memory integrated circuit system | Physics | 10 | Expired |
| US6865099B2 | Wide dynamic range and high speed voltage mode sensing for a multilevel digital non-volatile memory | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.