Patent assignee · US · COMPANY

Printware, Inc.

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11Patents
0Active
11Granted
33Portfolio score

Filing activity: Jan 21, 1986 → Jan 22, 1993

Most-cited patents

PatentTitleAreaCited byStatus
US4686363A Self-resonant scanner biasing system Electricity 69 Expired
US5477330A Synchronization to a start-of-scan detection, and digital generation of variable frequencies, from a fixed-frequency fixed-phase frequency source in an image generator in order to highly accurately time the placement of pixels upon a scan line Electricity 56 Expired
US5331338A Web steering for an image recorder Performing Operations; Transporting 30 Expired
US4835545A Modulating laser intensity in a laser printer proportionately to the velocity of the photoconductive media Physics 21 Expired
US5326011A Reduced-skew web drive between rollers of differing coefficients of friction, particularly to transport paper, metal or film in a laser imager Performing Operations; Transporting 16 Expired
US4899048A Focused optical beam encoder of position Physics 16 Expired
US4857904A Combination of transition-encoded font information for generation of superimposed font images Physics 10 Expired
US4870498A Decompressing run-length-encoded to transition-encoded font image information in an image generator Electricity 9 Expired
US4847607A Image generation from transition-encoded font information Physics 7 Expired
US4992655A Self-resonant galvanometer scanning system with evacuated chamber Electricity 6 Expired
US5243391A Varying an electric field, during development of a latent electrostatic image with developer solution, in proportion to a sensed concentration of toner that is within the developer solution Physics 4 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.