Inventor · Sunnyvale, CA, US

William J. Wrobleski

5Patents
4h-index
12Co-inventors
46Inventor score

Filing activity: Jun 25, 1997 → Jun 19, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6018374A Method and system for preventing the off screen copying of a video or film presentation Electricity 90 Expired
US6091822A Method and apparatus for recording scrambled video audio signals and playing back said video signal, descrambled, within a secure environment Electricity 38 Expired
US6701062B1 Generational copy control of a video signal Electricity 26 Expired
US6516132B1 Method and apparatus for improving the effects of color burst modifications to a video signal Electricity 22 Expired
US7664369B2 Method and apparatus for improving the playability of a PAL or NTSC video signal containing color burst modifications Electricity 3 Expired

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