Inventor · Odawara, JP

Toyoki Nishijima

39Patents
11h-index
27Co-inventors
75Inventor score

Filing activity: May 12, 1982 → May 20, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5459014A Method for forming a photographic color image with a photographic material containing a hydroxy-phenyl derivative, using a chloride-containing color developer Emerging Cross-Sectional Technologies 48 Expired
US4564590A Silver halide photographic material Physics 25 Expired
US6821584B2 Ink-jet recording medium Performing Operations; Transporting 22 Expired
US4675275A Silver halide color photographic material of improved reproducibility Physics 20 Expired
US4906559A Light-sensitive silver halide photographic material Physics 19 Expired
US5082766A Silver halide color photographic light-sensitive material Physics 15 Expired
US5112728A Silver halide photographic light-sensitive material Emerging Cross-Sectional Technologies 13 Expired
US4731320A Silver halide photographic material Physics 13 Expired
US5091294A Silver halide color photographic material Physics 12 Expired
US5017465A Light-sensitive silver halide photographic material Physics 12 Expired
US4752561A Light-sensitive silver halide photographic material incorporating metal complex with high quenching constant and an oil soluble dye Physics 12 Expired
US4684603A Light-sensitive silver halide color photographic material Physics 11 Expired
US4540653A Method of improving the light resistance of a dye image Physics 11 Expired
US5024932A Light-sensitive silver halide photographic material Physics 9 Expired
US5077188A Silver halide photographic light-sensitive material Physics 9 Expired
US5208140A Light-sensitive silver halide photographic material prevented in color contamination Physics 9 Expired
US4425418A Liquid developers for electrophotography and developing method using the same Physics 9 Expired
US5049482A Silver halide light-sensitive photographic material forming a dye image of enhanced light fastness Physics 8 Expired
US4814262A Silver halide photographic light-sensitive material to provide dye-image with improved color-fastness to light Physics 8 Expired
US4770985A Silver halide photographic material Physics 7 Expired
US5110718A Silver halide photographic sensitive material Physics 6 Expired
US4623616A Silver halide photographic light-sensitive material Physics 6 Expired
US4916050A Silver halide light-sensitive photographic material Physics 6 Expired
US5006454A Light sensitive silver halide photographic material Physics 6 Expired
US4868100A Silver halide photographic light-sensitive material Physics 5 Expired

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