Robert Janssens
25Patents
7h-index
43Co-inventors
69Inventor score
Filing activity: Oct 20, 1986 → May 23, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5254421A | Toner receiving printing plate | Physics | 42 | Expired |
| US7901063B2 | Ink rejuvenation system for inkjet printing | Performing Operations; Transporting | 27 | Active |
| US4761357A | Electrophoretic development of electrostatic charge images | Physics | 17 | Expired |
| US4750838A | Optoelectronic circuit | Physics | 15 | Expired |
| US6034703A | Process control of electrophotographic device | Physics | 9 | Expired |
| US6011631A | Uniform exposure of photosensitive medium by square intensity profiles for printing | Physics | 9 | Expired |
| US7520601B2 | Printing of radiation curable inks into a radiation curable liquid layer | Performing Operations; Transporting | 9 | Active |
| US5848339A | Electrostatic color printing apparatus wherein the receptor sheet is transported by a recording belt | Physics | 7 | Expired |
| US6137981A | Apparatus for forming multiple toner images in register with each other on a substrate | Physics | 7 | Expired |
| US5142333A | Circuitous-flow electrostatic developer assembly with concurrent axial and circumferential particle movement | Physics | 6 | Expired |
| US5974279A | Process control of electrophotographic device | Physics | 5 | Expired |
| US6032014A | Method of using an image forming apparatus | Physics | 5 | Expired |
| US6021302A | Device for electrostatically transferring color toner images onto an electrically grounded receptor sheet | Physics | 4 | Expired |
| US5012288A | Dry toner development | Physics | 3 | Expired |
| US6014537A | Method of developing an image in an image forming apparatus | Physics | 3 | Expired |
| US5573995A | Method for making an image using a direct thermal imaging element | Electricity | 3 | Expired |
| US5565295A | Electrophotographic developer composition | Physics | 2 | Expired |
| US5999785A | Simplex printing with duplex printer | Physics | 2 | Expired |
| US6093516A | Dry electrostatographic toner composition comprising well defined inorganic particles | Physics | 2 | Expired |
| US5839031A | Electrostatographic developing device | Physics | 2 | Expired |
| US8018634B2 | Image printing method and system for improving image quality in dot matrix printer | Physics | 1 | Active |
| US5162180A | Xeroprinting process using reversal development process | Physics | 1 | Expired |
| US5768652A | Method of controlling an electrophotographic imaging process | Physics | 1 | Expired |
| US5809383A | Electrostatic developing device | Physics | 1 | Expired |
| US6016420A | Electrostatic transport system for tonered sheets | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.