Inventor · Puchheim, DE

Hans-Joachim Vedder

9Patents
4h-index
13Co-inventors
50Inventor score

Filing activity: Dec 2, 1988 → Nov 29, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6423799B1 Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction Physics 17 Expired
US4903042A Method of and apparatus for making thermocopies Physics 11 Expired
US5030970A Microfilm printer with microvalue pixel generation Electricity 7 Expired
US5303000A Method of and apparatus for ascertaining the characteristics of shorter and longer sections of photographic material Physics 4 Expired
US5012464A Computer-controlled laser imaging system with automatic beam start at line beginning Physics 4 Expired
US6441113B1 Homopolymers with high photoinduceable double refraction Physics 2 Expired
US4953927A Lens assembly for long-life laser imaging system Physics 2 Expired
US6875833B2 Monomers and homopolymers, having high photoinduceable double refraction, prepared therefrom Physics 1 Expired
US7214752B2 Homopolymers which exhibit a high level of photo-inducable birefringence Physics 1 Expired

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