Inventor · Grafton, GB

Peter D. Marsden

20Patents
6h-index
19Co-inventors
62Inventor score

Filing activity: Nov 1, 1979 → Feb 15, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5387499A Method and apparatus for photographic processing Emerging Cross-Sectional Technologies 28 Expired
US4481268A Method of forming a photographic dye image Emerging Cross-Sectional Technologies 18 Expired
US5260184A Method of forming a photographic color image Physics 6 Expired
US4692358A Apparatus and method for applying material to articles Performing Operations; Transporting 6 Expired
US4258117A Dye image reversal processes and image transfer film units Physics 6 Expired
US5252424A Photographic paper Physics 6 Expired
US5547816A Photographic processing method using bleach solution comprising hydrogen peroxide and halide ions Emerging Cross-Sectional Technologies 6 Expired
US5418117A Method of photographic processing Emerging Cross-Sectional Technologies 5 Expired
US5246822A Method of photographic processing Physics 5 Expired
US5319410A Photographic processing apparatus Physics 4 Expired
US5402195A Photographic processing apparatus Physics 3 Expired
US5300415A Photographic paper Physics 3 Expired
US5445925A Method of forming a photographic color image Emerging Cross-Sectional Technologies 3 Expired
US5351104A Photographic processing apparatus Physics 2 Expired
US5466562A Method of photographic processing Emerging Cross-Sectional Technologies 1 Expired
US4983504A Method and apparatus for processing photographic color materials Physics 1 Expired
US5439784A Method and apparatus for photographic processing solution replenishment Emerging Cross-Sectional Technologies 1 Expired
US5380632A Photosensitive photographic silver halide color materials Physics 1 Expired
US5382995A Photographic processing apparatus Physics 1 Expired
US6156488A Photographic bleach compositions Emerging Cross-Sectional Technologies 0 Expired

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