Indigo N.V.
62Patents
0Active
62Granted
36Portfolio score
Filing activity: Nov 17, 1988 → Aug 27, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6108513A | Double sided imaging | Physics | 76 | Expired |
| US6438352B1 | Printing system | Physics | 58 | Expired |
| US5552875A | Method and apparatus for forming duplex images on a substrate | Human Necessities | 55 | Expired |
| US5923929A | Imaging apparatus and method and liquid toner therefor | Physics | 53 | Expired |
| US5570193A | Concentration detector for colored toner | Physics | 51 | Expired |
| US6363234B1 | Printing system | Physics | 50 | Expired |
| US5436706A | Latent image development apparatus | Physics | 50 | Expired |
| US6551716B1 | Intermediate transfer blanket and method of producing the same | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6155457A | Dispenser apparatus especially for liquid toner concentrate | Physics | 43 | Expired |
| US5410392A | Imaging system with intermediate transfer members | Physics | 40 | Expired |
| US5407771A | Toner and liquid composition using same | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6608979B1 | Charger for a photoreceptor | Physics | 40 | Expired |
| US5745829A | Imaging apparatus and intermediate transfer blanket therefor | Physics | 33 | Expired |
| US5610694A | Latent development apparatus for use in electrophotographic imaging system | Physics | 32 | Expired |
| US5596396A | Latent image development apparatus | Physics | 29 | Expired |
| US5636349A | Method and apparatus for imaging using an intermediate transfer member | Physics | 26 | Expired |
| US5592269A | Imaging system having an intermediate transfer member | Physics | 26 | Expired |
| US5737666A | Development control system | Physics | 24 | Expired |
| US5508790A | Photoreceptor sheet and imaging system utilizing same | Physics | 23 | Expired |
| US6091511A | Images with spatially varying spatial and gray level resolution | Physics | 19 | Expired |
| US5555185A | Method and apparatus for imaging using an intermediate transfer member | Physics | 18 | Expired |
| US5893016A | Apparatus for printing images on generally cylindrical objects | Physics | 18 | Expired |
| US5497222A | Image transfer apparatus incorporating an integral heater | Physics | 17 | Expired |
| US5337131A | Charging apparatus operative to charge a surface | Physics | 16 | Expired |
| US5749032A | Color imaging system | Physics | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.