Michael W. Crawley
19Patents
6h-index
23Co-inventors
66Inventor score
Filing activity: Apr 29, 1983 → Jan 18, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4481268A | Method of forming a photographic dye image | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5876912A | Pyrazolo 1,5 a benzimidazole photographic color couplers | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5143821A | Color photographic material comprising a 2-alkoxy pyrazolo[1,5-a]benzimidazole color coupler | Physics | 10 | Expired |
| US6132943A | Color photographic elements containing yellow-colored magenta dye-forming masking couplers | Physics | 9 | Expired |
| US6010839A | Color photographic elements containing yellow-colored magenta dye-forming masking couplers | Physics | 8 | Expired |
| US5776669A | Phenol substituted pyrazolo 1, 5-a benzimidazole couplers | Physics | 7 | Expired |
| US6010837A | Silver halide photographic element comprising image dye-forming couplers | Chemistry; Metallurgy | 6 | Expired |
| US4900657A | Novel pyrazolone photographic color couplers and photographic elements containing them | Chemistry; Metallurgy | 5 | Expired |
| US6900006B2 | Photographic elements containing a de-aggregating compound, dye-forming coupler and stabilizer | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4548888A | Photographic products employing novel nondiffusible hydrazone dye-releasing compounds | Physics | 3 | Expired |
| US6030760A | Photographic element containing specific magenta coupler and anti-fading agent | Physics | 1 | Expired |
| US6015657A | Photographic elements containing 2-equivalent pyrazolone couplers and process for their use | Physics | 1 | Expired |
| US5849469A | Process for forming an image using novel magneta couplers for color photography | Physics | 1 | Expired |
| US6190853A | Photographic elements containing novel yellow couplers | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5919969A | Synthesis of yellow couplers | Physics | 0 | Expired |
| US5210209A | Pyrazolo(1,5-a)benzimidazole couplers | Physics | 0 | Expired |
| US5001262A | Method for synthesizing an aromatic hydrazine compound | Chemistry; Metallurgy | 0 | Expired |
| US7153641B2 | Photographic element containing improved pyrazolotriazole coupler | Physics | 0 | Expired |
| US5190848A | Photographic .beta.-ketoamide and photographic elements containing them | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.