Inventor · Bischofswerda, DE

Hartmut Sandig

9Patents
6h-index
14Co-inventors
56Inventor score

Filing activity: Aug 23, 1990 → Jul 18, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6037102A Multilayer recording element suitable for the production of flexographic printing plates by digital information transfer Emerging Cross-Sectional Technologies 50 Expired
US6020108A Preparation of photopolymeric letterpress printing plates Emerging Cross-Sectional Technologies 28 Expired
US6037101A Photosensitive mixture and recording material produced therefrom Physics 24 Expired
US5994032A Preparation of photopolymeric gravure printing plates Emerging Cross-Sectional Technologies 12 Expired
US6214521A Material for gravure recording by means of coherent electromagnetic radiation and printing plate therewith Emerging Cross-Sectional Technologies 9 Expired
US6194125A Preparation of photopolymeric letterpress printing plates Emerging Cross-Sectional Technologies 6 Expired
US5073475A Production of plate-like, sheet-like or tape-like materials and of sensitized lithographic printing plates Performing Operations; Transporting 4 Expired
US6190832A Preparation of photopolymeric gravure printing plates Emerging Cross-Sectional Technologies 3 Expired
US7235346B2 Photosensitive, flexo printing element and method for the production of newspaper flexo printing plates Emerging Cross-Sectional Technologies 2 Expired

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