William A. Houle
13Patents
7h-index
15Co-inventors
59Inventor score
Filing activity: Nov 30, 1989 → Aug 5, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6149719A | Light sensitive invisible ink compositions and methods for using the same | Performing Operations; Transporting | 84 | Expired |
| US6513921B1 | Light sensitive invisible ink compositions and methods for using the same | Performing Operations; Transporting | 45 | Expired |
| US5034299A | Mineral acids as charge adjuvants for positive liquid electrostatic developers | Physics | 21 | Expired |
| US5066821A | Process for preparing positive electrostatic liquid developers with acidified charge directors | Physics | 17 | Expired |
| US5254427A | Additives for liquid electrostatic developers | Physics | 13 | Expired |
| US5035992A | Process for the stabilization of high-chloride crystals with modified crystal habit using bromide shells | Physics | 13 | Expired |
| US5106717A | AB diblock copolymers as toner particle dispersants for electrostatic liquid developers | Physics | 8 | Expired |
| US6102998A | Ink-jet inks and method for printing the same | Chemistry; Metallurgy | 6 | Expired |
| US5244766A | Halogenated resins for liquid developers | Physics | 5 | Expired |
| US5262266A | Halogenated charge directors for liquid developers | Physics | 3 | Expired |
| US5471287A | System for replenishing liquid electrostatic developer | Physics | 3 | Expired |
| US5053307A | Process for preparing high gloss electrostatic liquid developers | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7789917B2 | Amphoteric stilbene composition | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.