Donald Singleton, Jr.
13Patents
3h-index
5Co-inventors
49Inventor score
Filing activity: Apr 8, 1985 → Feb 6, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4677425A | Apparatus for detecting metal debris particles | Physics | 4 | Expired |
| US5306607A | Photographic material and process comprising a pyrazolotriazole moiety | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5358828A | Photographic element and process comprising a bleach accelerator releasing compound | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5264583A | Photographic coupler and method of making the same | Physics | 3 | Expired |
| US5286859A | Method of forming a photographic washout coupler (BARC) using a strong base | Physics | 2 | Expired |
| US5670301A | Photographic element containing a coupler capable of releasing a photographically useful group | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5318879A | Photographic element comprising a bleach accelerator releasing compound | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5686234A | Photographic element containing a coupler capable of releasing a photographically useful group | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5834604A | Photographic element containing a coupler capable of releasing a photograpically useful group through a pyrazole group | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5719017A | Photographic element containing a coupler capable of releasing a photographically useful group through a pyrazole group | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5912110A | Photographic coupler capable of releasing a photographically useful group | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5962656A | Indazole containing coupler | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6007974A | Silver halide element containing triazole inhibitors | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.