Copytele, Inc.
112Patents
28Active
112Granted
47Portfolio score
Filing activity: Nov 13, 1984 → May 3, 2014 · 22 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4655897A | Electrophoretic display panels and associated methods | Physics | 213 | Expired |
| US5380362A | Suspension for use in electrophoretic image display systems | Physics | 193 | Expired |
| US4742345A | Electrophoretic display panel apparatus and methods therefor | Physics | 181 | Expired |
| US5276438A | Electrophoretic display panel with internal mesh background screen | Physics | 181 | Expired |
| US5403518A | Formulations for improved electrophoretic display suspensions and related methods | Physics | 176 | Expired |
| US6113810A | Methods of preparing electrophoretic dispersions containing two types of particles with different colors and opposite charges | Physics | 175 | Expired |
| US4746917A | Method and apparatus for operating an electrophoretic display between a display and a non-display mode | Physics | 171 | Expired |
| US5254981A | Electrophoretic display employing gray scale capability utilizing area modulation | Physics | 163 | Expired |
| US5293528A | Electrophoretic display panel and associated methods providing single pixel erase capability | Physics | 162 | Expired |
| US5573711A | Planar fluorinated dielectric suspensions for electrophoretic image displays and related methods | Physics | 160 | Expired |
| US5783614A | Polymeric-coated dielectric particles and formulation and method for preparing same | Emerging Cross-Sectional Technologies | 157 | Expired |
| US5467107A | Electrophoretic display panel with selective character addressability | Physics | 155 | Expired |
| US5279511A | Method of filling an electrophoretic display | Physics | 135 | Expired |
| US5250938A | Electrophoretic display panel having enhanced operation | Physics | 125 | Expired |
| US5266937A | Method for writing data to an electrophoretic display panel | Physics | 125 | Expired |
| US5302235A | Dual anode flat panel electrophoretic display apparatus | Physics | 124 | Expired |
| US5627561A | Electrophoretic display panel with selective character addressability | Physics | 122 | Expired |
| US5402145A | Electrophoretic display panel with arc driven individual pixels | Physics | 121 | Expired |
| US4833464A | Electrophoretic information display (EPID) apparatus employing grey scale capability | Physics | 120 | Expired |
| US5412398A | Electrophoretic display panel and associated methods for blinking displayed characters | Physics | 118 | Expired |
| US5223115A | Electrophoretic display with single character erasure | Physics | 115 | Expired |
| US6097145A | Aerogel-based phase transition flat panel display | Physics | 106 | Expired |
| US6117368A | Black and white electrophoretic particles and method of manufacture | Physics | 104 | Expired |
| US5066946A | Electrophoretic display panel with selective line erasure | Physics | 104 | Expired |
| US5177476A | Methods of fabricating dual anode, flat panel electrophoretic displays | Physics | 103 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.