Paul Heinzer
7Patents
4h-index
3Co-inventors
46Inventor score
Filing activity: Nov 8, 1974 → Sep 18, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5087507A | Method of rendering a document or portion of it resistant to photocopying | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4001544A | Apparatus for fixing electrophotographic images | Physics | 19 | Expired |
| US3980863A | Electrophotographic copying machines | Physics | 12 | Expired |
| US3981578A | Electrophotographic copying machine with seamless image forming and transfer band | Physics | 5 | Expired |
| US3980294A | Photocopying machines | Physics | 2 | Expired |
| US4287234A | Desensitizing ink for the receiving surface of a chemical duplicating set by wet offset printing | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5311234A | Developing apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.