Michael A. Hopper
61Patents
31h-index
48Co-inventors
84Inventor score
Filing activity: Jun 25, 1993 → Aug 31, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5403693A | Toner aggregation and coalescence processes | Emerging Cross-Sectional Technologies | 356 | Expired |
| US5364729A | Toner aggregation processes | Physics | 348 | Expired |
| US5370963A | Toner emulsion aggregation processes | Physics | 324 | Expired |
| US5344738A | Process of making toner compositions | Physics | 324 | Expired |
| US5501935A | Toner aggregation processes | Physics | 268 | Expired |
| US5527658A | Toner aggregation processes using water insoluble transition metal containing powder | Physics | 266 | Expired |
| US5366841A | Toner aggregation processes | Physics | 229 | Expired |
| US5405728A | Toner aggregation processes | Physics | 218 | Expired |
| US5496676A | Toner aggregation processes | Physics | 215 | Expired |
| US5977210A | Modified emulsion aggregation processes | Emerging Cross-Sectional Technologies | 152 | Expired |
| US5766818A | Toner processes with hydrolyzable surfactant | Physics | 148 | Expired |
| US5744520A | Aggregation processes | Physics | 137 | Expired |
| US5863698A | Toner processes | Physics | 112 | Expired |
| US6120967A | Sequenced addition of coagulant in toner aggregation process | Physics | 108 | Expired |
| US5554480A | Fluorescent toner processes | Physics | 98 | Expired |
| US5994020A | Wax containing colorants | Emerging Cross-Sectional Technologies | 94 | Expired |
| US5679724A | Submicron particles for ink jet inks | Chemistry; Metallurgy | 77 | Expired |
| US6541175B1 | Toner processes | Chemistry; Metallurgy | 56 | Expired |
| US5482812A | Wax Containing toner aggregation processes | Physics | 55 | Expired |
| US6132924A | Toner coagulant processes | Physics | 55 | Expired |
| US6664017B1 | Document security processes | Physics | 54 | Expired |
| US5604076A | Toner compositions and processes thereof | Physics | 48 | Expired |
| US6576389B2 | Toner coagulant processes | Physics | 47 | Expired |
| US6268102A | Toner coagulant processes | Physics | 44 | Expired |
| US5936008A | Ink jet inks containing toner particles as colorants | Emerging Cross-Sectional Technologies | 44 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.