Michel Hareng
44Patents
18h-index
31Co-inventors
77Inventor score
Filing activity: Dec 21, 1973 → Feb 16, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4593978A | Smectic liquid crystal color display screen | Physics | 243 | Expired |
| US4088400A | Display devices | Physics | 181 | Expired |
| US4569575A | Electrodes for a device operating by electrically controlled fluid displacement | Physics | 101 | Expired |
| US4818052A | Device for optical switching by fluid displacement and a device for the composition of a line of points | Physics | 77 | Expired |
| US4037929A | Optical projection device and an optical reader incorporating this device | Physics | 70 | Expired |
| US4481510A | Electrooptical switching device | Physics | 52 | Expired |
| US4150396A | Erasable thermo-optic storage display of a transmitted color image | Physics | 52 | Expired |
| US4040047A | Erasable thermo-optic storage display of a transmitted image | Electricity | 46 | Expired |
| US4701021A | Optical modulator | Physics | 38 | Expired |
| US4668051A | Memory ferroelectric display addressed with AC and DC voltages | Physics | 36 | Expired |
| US4277145A | Liquid-crystal display device | Physics | 32 | Expired |
| US4365869A | Large-screen visualization device | Physics | 30 | Expired |
| US4196974A | Smectic liquid crystal display cell | Chemistry; Metallurgy | 29 | Expired |
| US3938140A | Data display device | Physics | 29 | Expired |
| US4789228A | Electrically controlled optical switching device | Physics | 24 | Expired |
| US4824216A | Device for the modulation of the illuminating light of an electro-optic display screen | Physics | 22 | Expired |
| US4334734A | Optical apparatus for the reproduction of images using a liquid crystal cell | Physics | 21 | Expired |
| US4430650A | Display process using a thermo-optical effect with a memory in a thin disc-like liquid crystal layer and disc-like liquid crystals having such an effect | Chemistry; Metallurgy | 21 | Expired |
| US4202010A | Thermoelectric display cell for recording images line by line | Electricity | 18 | Expired |
| US4525708A | Thermoelectric effect display device | Physics | 16 | Expired |
| US4333709A | Mixture of disc-like liquid crystals, electro-optical device using such a mixture and process for orienting the molecules of the mixture | Chemistry; Metallurgy | 15 | Expired |
| US4288822A | System for the analysis and the recording of monochromic images | Electricity | 15 | Expired |
| US4643527A | Process for the production of a substrate for an electrically controlled device and display screen produced from such a substrate | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4173757A | Liquid crystal display device | Physics | 14 | Expired |
| US4390244A | Liquid crystal visual display unit and telephone terminal incorporating such a unit | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.