Chris P. Brophy
12Patents
9h-index
21Co-inventors
72Inventor score
Filing activity: Jan 3, 1989 → Feb 15, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5133601A | Rough surface profiler and method | Physics | 126 | Expired |
| US5129724A | Apparatus and method for simultaneous measurement of film thickness and surface height variation for film-substrate sample | Physics | 83 | Expired |
| US5355221A | Rough surface profiler and method | Physics | 83 | Expired |
| US5204734A | Rough surface profiler and method | Physics | 39 | Expired |
| US4961079A | Laser printer having athermalized optical heads | Electricity | 37 | Expired |
| US5173746A | Method for rapid, accurate measurement of step heights between dissimilar materials | Physics | 34 | Expired |
| US4973121A | Scanner | Electricity | 24 | Expired |
| US4982206A | Laser printer having an apodizine mask | Electricity | 17 | Expired |
| US7367705B2 | Long curved wedges in an optical film | Physics | 14 | Expired |
| US4933688A | Laser printer having uniform circumferential laser placement | Electricity | 5 | Expired |
| US6731853B2 | Multiple fiber chip clamp | Physics | 3 | Expired |
| US11181735B2 | Optic and assembly for reduced reflections | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.