Marshall Field
23Patents
8h-index
37Co-inventors
75Inventor score
Filing activity: Mar 5, 1979 → Dec 8, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5442386A | Structure and method for preventing ink shorting of conductors connected to printhead | Electricity | 70 | Expired |
| US7250930B2 | Transparent active-matrix display | Electricity | 68 | Expired |
| US6460966B1 | Thin film microheaters for assembly of inkjet printhead assemblies | Performing Operations; Transporting | 15 | Expired |
| US6773614B2 | Method of patterning conductive films | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7148182B2 | Multilayered color compositions and associated methods | Performing Operations; Transporting | 11 | Expired |
| US6737025B2 | Scent storage device, ticket and passive sequential resistor array for use with same | Human Necessities | 11 | Expired |
| US7270929B2 | Media for laser imaging | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6974661B2 | Compositions, systems, and methods for imaging | Performing Operations; Transporting | 9 | Expired |
| US7724431B2 | Active layer | Electricity | 7 | Active |
| US7060654B2 | Imaging media and materials used therein | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6443557B1 | Chip-carrier for improved drop directionality | Performing Operations; Transporting | 6 | Expired |
| US7125101B2 | Photonically activated fluid ejector apparatus and methods | Performing Operations; Transporting | 6 | Expired |
| US4291387A | Analog to digital conversion weighting apparatus | Physics | 4 | Expired |
| US6542217B2 | Scent storage device, ticket and passive sequential resistor array for use with same | Electricity | 3 | Expired |
| US6402040B1 | Ticket and method of metering the use of a facility | Physics | 3 | Expired |
| US6981758B2 | Photonically activated fluid dispensing system and methods | Performing Operations; Transporting | 3 | Expired |
| US6867793B2 | Method and materials for entitling compact discs | Physics | 2 | Expired |
| US7935404B2 | System and method for marking an optical disk | Emerging Cross-Sectional Technologies | 1 | Active |
| US7733016B2 | Defining electrode regions of electroluminescent panel | Electricity | 1 | Active |
| US7399062B2 | Photonically activated fluid ejector apparatus and methods | Performing Operations; Transporting | 1 | Active |
| US7410242B2 | Photonically activated fluid dispensing system and methods | Performing Operations; Transporting | 0 | Active |
| US8198527B2 | Field-deployable electronics platform having thermoelectric power source and electronics module | Emerging Cross-Sectional Technologies | 0 | Active |
| US7993807B2 | Compositions, systems, and methods for imaging | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.