John S. Ogle
9Patents
8h-index
1Co-inventors
55Inventor score
Filing activity: Sep 15, 1988 → Mar 7, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4948458A | Method and apparatus for producing magnetically-coupled planar plasma | Electricity | 499 | Expired |
| US5277751A | Method and apparatus for producing low pressure planar plasma using a coil with its axis parallel to the surface of a coupling window | Electricity | 189 | Expired |
| US4871421A | Split-phase driver for plasma etch system | Electricity | 135 | Expired |
| US5935077A | Noninvasive blood flow sensor using magnetic field parallel to skin | Human Necessities | 109 | Expired |
| US5435881A | Apparatus for producing planar plasma using varying magnetic poles | Electricity | 91 | Expired |
| US5944942A | Varying multipole plasma source | Electricity | 60 | Expired |
| US5107201A | High voltage oscilloscope probe with wide frequency response | Physics | 57 | Expired |
| US5994236A | Plasma source with process nonuniformity improved using ferromagnetic cores | Electricity | 52 | Expired |
| US7163602B2 | Apparatus for generating planar plasma using concentric coils and ferromagnetic cores | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.