Inventor · Penfield, NY, US

Benjamin Teh-Kung Chen

16Patents
9h-index
18Co-inventors
61Inventor score

Filing activity: Mar 30, 1993 → Jun 21, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6422736B1 Scalable impeller apparatus for preparing silver halide grains Performing Operations; Transporting 72 Expired
US5547827A Iodochloride emulsions containing quinones having high sensitivity and low fog Physics 29 Expired
US5736310A Cubical grain silver iodochloride emulsions and processes for their preparation Physics 25 Expired
US5726005A Photographic print elements containing cubical grain silver iodochloride emulsions Physics 19 Expired
US5550013A High chloride emulsions having high sensitivity and low fog and improved photographic responses of HIRF, higher gamma, and shoulder density Physics 18 Expired
US5605789A Iodochloride emulsions containing iodonium salts having high sensitivity and low fog Physics 17 Expired
US5792601A Composite silver halide grains and processes for their preparation Physics 13 Expired
US5728516A Photographic print elements containing cubical grain silver iodochloride emulsions Physics 11 Expired
US5418118A Silver halide color photographic element with improved high density contrast and bright low density colors Physics 10 Expired
US5783372A Digital imaging with high chloride emulsions containing iodide Emerging Cross-Sectional Technologies 7 Expired
US5674674A Low staining green spectral sensitizing dyes and silver chloride emulsions containing iodide Physics 4 Expired
US5512103A Silver halide color photography element with improved high density contrast and bright low density colors Physics 3 Expired
US6350567B1 Precipitation of high chloride content silver halide emulsions Physics 1 Expired
US5380629A Method of making and a photographic element containing bleach accelerator silver salts Physics 0 Expired
US6740482B1 High chloride emulsion having high sensitivity and low fog Physics 0 Expired
US6033842A Preparation of silver chloride emulsions having iodide containing grains Physics 0 Expired

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