Daniel L. Kapp
24Patents
5h-index
45Co-inventors
69Inventor score
Filing activity: Dec 19, 1991 → Aug 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5622818A | Color photographic elements containing yellow colored magenta dye forming masking couplers | Physics | 24 | Expired |
| US5354650A | Photographic elements containing release compounds | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8110628B1 | Preparation of porous particles with multiple markers | Emerging Cross-Sectional Technologies | 13 | Active |
| US10082470B2 | Defect marking for semiconductor wafer inspection | Physics | 6 | Active |
| US5455141A | Photographic elements containing blocked dye moieties | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5972574A | Photographic element containing magenta coupler having improved manufacturability and dye light stability | Physics | 5 | Expired |
| US5283162A | Photographic elements containing sulfite releasable release compounds | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5492799A | Azopyrazolone masking couplers | Physics | 4 | Expired |
| US5985533A | Photographic element having improved magenta dye light stability and process for its use | Physics | 4 | Expired |
| US5466568A | Photographic element containing an azopyrazolone masking coupler exhibiting reduced fog | Physics | 2 | Expired |
| US6048680A | Photographic element containing pyrazoloazole coupler and a specific anti-fading combination | Physics | 2 | Expired |
| US5364745A | Azoaniline masking couplers for photographic materials | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5510235A | Photographic elements comprising 2-phenylcarbamoyl-naphthol image-modifying couplers yielding dyes resistant to crystallization and reduction | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5482821A | Photographic element containing an azopyrazolone masking coupler exhibiting improved keeping | Physics | 1 | Expired |
| US5759757A | Photographic elements containing development inhibitor releasing compounds | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5591569A | Photographic element containing an azopyrazolone masking coupler exhibiting improved keeping | Physics | 1 | Expired |
| US6043378A | Photographic elements containing development inhibitor releasing compounds | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6444416B1 | Color photographic element with improved developability | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5654123A | Multilayer color photographic element containing a solubilized blocked dye moiety | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10916462B2 | Laser marking focus feedback system having an intensity indication of reflected radiation passed through an objective lens, a beam splitter and a pinhole | Electricity | 0 | Active |
| US6309813A | Reduced fog in photographic coatings containing a monosubstituted quinone | Physics | 0 | Expired |
| US5935771A | Method of processing a silver halide photographic element which reduces fog | Physics | 0 | Expired |
| US5811226A | Method of processing a silver halide photographic element which reduces fog | Physics | 0 | Expired |
| US5262291A | Photographic elements containing release compounds | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.