Leonard A. Stein
5Patents
5h-index
3Co-inventors
48Inventor score
Filing activity: Nov 14, 1975 → Jul 8, 1983
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4505029A | Semiconductor device with built-up low resistance contact | Electricity | 40 | Expired |
| US4320380A | Electronically controlled safety mechanism for highway exit ramp | Physics | 15 | Expired |
| US4140572A | Process for selective etching of polymeric materials embodying silicones therein | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4133140A | Safety mechanism for highway exit ramp | Physics | 6 | Expired |
| US4209356A | Selective etching of polymeric materials embodying silicones via reactor plasmas | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.