Paul Diffendaffer
12Patents
5h-index
5Co-inventors
59Inventor score
Filing activity: Mar 28, 1989 → Sep 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4878748A | Ultraviolet radiation and blue light blocking polarizing lens | Physics | 67 | Expired |
| US5177509A | Ultraviolet radiation and blue light blocking polarizing lens | Physics | 56 | Expired |
| US5400175A | Ultraviolet radiation and blue light blocking polarizing lens | Physics | 50 | Expired |
| US6123986A | Permeable solar control film | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5902634A | Permeable solar control film | Emerging Cross-Sectional Technologies | 8 | Expired |
| US10661594B2 | Structure for secure containment of information | Electricity | 5 | Active |
| US10781520B2 | Metallic sheet with deposited structured images and method of manufacture | Chemistry; Metallurgy | 2 | Active |
| US11104177B2 | Structure for secure containment of information | Electricity | 2 | Active |
| US11434572B2 | Metallic sheet with deposited structured images and method of manufacture | Chemistry; Metallurgy | 1 | Active |
| US11446952B2 | Structure for secure containment of information | Electricity | 1 | Active |
| US11904624B2 | Structure for secure containment of information | Electricity | 0 | Active |
| US12077868B2 | Metallic sheet with deposited structured images and method of manufacture | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.