Inventor · Longmont, CO, US

John Thomas Varga

53Patents
7h-index
48Co-inventors
72Inventor score

Filing activity: Nov 10, 1986 → Apr 2, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4841453A Multidirectional scan and print capability Physics 25 Expired
US7062087B1 System and method for optimizing color compression using transparency control bits Electricity 17 Expired
US6774913B1 System, method, and program for selectively merging partial objects Physics 15 Expired
US7265854B1 Method and apparatus for managing complex presentation objects using globally-unique identifiers Emerging Cross-Sectional Technologies 10 Expired
US9818051B2 Rotation and clipping mechanism Physics 10 Active
US7167259B2 System and method for merging line work objects using tokenization and selective compression Physics 10 Expired
US7337104B2 Device emulation in programmable circuits Physics 8 Expired
US6781711B1 Method and system for efficient transmittal and presentation of complex images Physics 7 Expired
US6721456B1 Color image data and control bit compression scheme with run length encoding Electricity 6 Expired
US6850338B1 Method, system, program, and data structure for generating raster objects Physics 6 Expired
US7091985B1 System and method for compressing color data using expandable color palette Physics 5 Expired
US8538199B2 Digital image scaling with non integer scaling factors Physics 5 Active
US8009316B2 Methods and apparatus for efficient sheetside bitmap processing using meta-data information Electricity 5 Active
US7110129B2 Method, system, and program for responding to an acknowledgement request from a printer driver Physics 5 Expired
US6734872B1 System, method, and program for optimally caching overlay instances in a memory system Physics 4 Expired
US7233404B2 System for processing print jobs Physics 4 Expired
US8359599B2 Methods and systems for efficient use and mapping of distributed shared resources Physics 3 Active
US9245214B2 Image processing compression with a defined pixel window in a linear array Electricity 3 Active
US9052851B1 Simulation of preprinted forms Electricity 3 Active
US6819440B1 System, method, and program for automatically switching operational modes of a printer between direct and print-on-demand (POD) modes Performing Operations; Transporting 2 Expired
US7835021B2 Systems, methods, media for managing the print speed of a variable speed printer Physics 2 Active
US8934144B2 Overcoat processing mechanism Physics 2 Active
US10757270B2 Ink estimation mechanism Physics 1 Active
US7710604B2 Method and system for providing a high quality halftoned image Electricity 1 Active
US9036926B2 Bitmap processing mechanism Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.