Doug Caldwell
3Patents
3h-index
11Co-inventors
40Inventor score
Filing activity: Nov 12, 1998 → May 18, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6117279A | Method and apparatus for increasing the metal ion fraction in ionized physical vapor deposition | Electricity | 109 | Expired |
| US6645344B2 | Universal backplane assembly and methods | Electricity | 13 | Expired |
| US6156164A | Virtual shutter method and apparatus for preventing damage to gallium arsenide substrates during processing | Chemistry; Metallurgy | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.