Robert G. Spahn
13Patents
8h-index
19Co-inventors
65Inventor score
Filing activity: Oct 31, 1990 → Apr 20, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6237529A | Source for thermal physical vapor deposition of organic electroluminescent layers | Electricity | 153 | Expired |
| US5756240A | Method of making color filter arrays by transferring colorant material | Performing Operations; Transporting | 57 | Expired |
| US5244770A | Donor element for laser color transfer | Performing Operations; Transporting | 26 | Expired |
| US5118372A | Method of forming a protective and decorative sheet material on a substrate | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5324414A | Ion selective electrode | Physics | 18 | Expired |
| US6513451B2 | Controlling the thickness of an organic layer in an organic light-emiting device | Chemistry; Metallurgy | 18 | Expired |
| US5278576A | Intermediate receiver opaque support | Performing Operations; Transporting | 16 | Expired |
| US5558977A | Imaging element comprising a transparent magnetic layer and a transparent electrically-conductive layer | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5534385A | Overcoat for optical tape having SbInSn recording layer | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5900339A | Method of making color filter arrays by transferring colorant and lift-off | Performing Operations; Transporting | 4 | Expired |
| US5350732A | Subbing layer for dye-donor element used in thermal dye transfer | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6243127A | Process of forming an image using a multilayer metal coalescence thermal recording element | Performing Operations; Transporting | 2 | Expired |
| US6268113A | Antireflection direct write lithographic printing plates | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.