David J. Chipman
6Patents
4h-index
14Co-inventors
54Inventor score
Filing activity: Dec 18, 1995 → Jan 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5656092A | Apparatus for capturing and removing contaminant particles from an interior region of an ion implanter | Electricity | 14 | Expired |
| US6583428B1 | Apparatus for the backside gas cooling of a wafer in a batch ion implantation system | Electricity | 10 | Expired |
| US5670217A | Method for capturing and removing contaminant particles from an interior region of an ion implanter | Electricity | 8 | Expired |
| US5987844A | Snap-lock vision frame assembly | Fixed Constructions | 5 | Expired |
| US10157764B2 | Thermal shield for electrostatic chuck | Electricity | 0 | Active |
| US11069554B1 | Carbon nanotube electrostatic chuck | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.