Lawrence E. Contois
19Patents
11h-index
20Co-inventors
68Inventor score
Filing activity: May 2, 1974 → Jul 29, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4686163A | Electrophotographic color imaging method | Physics | 58 | Expired |
| US4600669A | Electrophotographic color proofing element and method for using the same | Physics | 45 | Expired |
| US4127412A | Photoconductive compositions and elements | Physics | 27 | Expired |
| US4018607A | Crystalline organic pigment sensitizers for photoconductive layers | Physics | 21 | Expired |
| US4018606A | Organic azo pigment sensitizers for photoconductive layers | Chemistry; Metallurgy | 16 | Expired |
| US4657831A | Color proofing method and article | Physics | 16 | Expired |
| US4980701A | Non-impact printhead using a mask with a dye sensitive to and adjusted by light in a first spectrum to balance the transmission of light in a second spectrum emitted by an LED array | Physics | 15 | Expired |
| US4468444A | Pyrylium-sensitized leuco base photoconductive compositions and elements containing naphthalene bis-dicarboximide compounds | Physics | 13 | Expired |
| US4301226A | Crystallization inhibiting mixtures of arylmethane photoconductors | Physics | 12 | Expired |
| US3938994A | Pyrylium dyes for electrophotographic composition and element | Physics | 12 | Expired |
| US4152152A | Additives for contrast control in organic photoconductor compositions and elements | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4996124A | Photoconductor element, regenerating methods and elements useful therein | Physics | 8 | Expired |
| US3973962A | Aggregate photoconductive composition containing combination of pyrylium dye salts | Physics | 8 | Expired |
| US4045220A | Low color photoconductive insulating compositions comprising nitrogen-free photoconductor and benzopyrilium sensitizer | Physics | 7 | Expired |
| US4350751A | High resolution heterogeneous photoconductive compositions and method of preparing | Physics | 4 | Expired |
| US5240800A | Near-infrared radiation sensitive photoelectrographic master and imaging method | Physics | 3 | Expired |
| US3966468A | Organic photoconductors with triamino benzene additives | Physics | 3 | Expired |
| US5288582A | Photoelectrographic method for printing | Physics | 1 | Expired |
| US4424268A | Pyrylium- and thiopyrylium-sensitized low-persistence photoconductive compositions and elements | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.