David Chapman
13Patents
9h-index
21Co-inventors
72Inventor score
Filing activity: Feb 10, 2000 → Apr 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7057960B1 | Method and architecture for reducing the power consumption for memory devices in refresh operations | Physics | 77 | Expired |
| US6400202B1 | Programmable delay element and synchronous DRAM using the same | Electricity | 36 | Expired |
| US6618314B1 | Method and architecture for reducing the power consumption for memory devices in refresh operations | Physics | 35 | Expired |
| US7330388B1 | Sense amplifier circuit and method of operation | Physics | 25 | Active |
| US6348827B1 | Programmable delay element and synchronous DRAM using the same | Electricity | 19 | Expired |
| US7345946B1 | Dual-voltage wordline drive circuit with two stage discharge | Physics | 18 | Expired |
| US6970032B1 | Power supply detecting input receiver circuit and method | Electricity | 12 | Expired |
| US7313041B1 | Sense amplifier circuit and method | Physics | 9 | Expired |
| US7095642B1 | Method and circuit for reducing defect current from array element failures in random access memories | Physics | 9 | Expired |
| US6708298B2 | Method for guaranteeing a minimum data strobe valid window and a minimum data valid window for DDR memory devices | Physics | 8 | Expired |
| US6658604B1 | Method for testing and guaranteeing that skew between two signals meets predetermined criteria | Physics | 8 | Expired |
| US7064596B1 | Reducing crowbar current in a latch hysteresis receiver | Electricity | 1 | Expired |
| USD1028247S1 | Mobile ophthalmoscope | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.