William A. Hammann, IV
5Patents
3h-index
10Co-inventors
43Inventor score
Filing activity: Mar 14, 1989 → Jan 25, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5122432A | Photosensitive microcapsule imaging system having improved gray scale | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5283015A | Method for producing amine-formaldehyde microcapsules and photosensitive microcapsules produced thereby | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4971885A | Microcapsule coating compositions containing coupling agents for improved adhesion | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4960750A | Recording sheet having improved cohesion and adhesion of microcapsules | Physics | 1 | Expired |
| US5196287A | Process for producing encapsulated photosensitive composition by altering the concentration of the internal phase during encapsulation | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.