Frank D. Coms
34Patents
6h-index
28Co-inventors
69Inventor score
Filing activity: Nov 4, 1992 → May 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5457004A | Photographic element containing a high dye-yield coupler with methine dye chromophore | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5447819A | Photographic element containing high dye-yield couplers having improved reactivity | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7897691B2 | Proton exchange membranes for fuel cell applications | Emerging Cross-Sectional Technologies | 12 | Active |
| US7897692B2 | Sulfonated perfluorocyclobutane block copolymers and proton conductive polymer membranes | Electricity | 10 | Active |
| US6180331A | Photographic element, compound, and process | Physics | 7 | Expired |
| US6190850A | Photographic element, compound, and process | Physics | 7 | Expired |
| US6197492A | Photographic element, compound, and process | Physics | 6 | Expired |
| US6194132A | Photographic element, compound, and process | Physics | 6 | Expired |
| US6207363A | Photographic element, compound, and process | Physics | 6 | Expired |
| US6387606B1 | Photographic element, compound, and process | Physics | 4 | Expired |
| US5306607A | Photographic material and process comprising a pyrazolotriazole moiety | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5709987A | Photographic element containing a coupler capable of releasing a photographically useful group through a triazole group | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5670301A | Photographic element containing a coupler capable of releasing a photographically useful group | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5759757A | Photographic elements containing development inhibitor releasing compounds | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8409765B2 | Co(II)tetramethoxyphenylporphyrin additive to PFSA PEMS for improved fuel cell durability | Emerging Cross-Sectional Technologies | 1 | Active |
| US9868804B1 | Perfluorosulfonic acid nanofibers | Emerging Cross-Sectional Technologies | 1 | Active |
| US9083049B2 | Additives for fuel cell layers | Emerging Cross-Sectional Technologies | 1 | Active |
| US5817809A | Photographic element containing a coupler capable of releasing a photographically useful group through a triazole group | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5686234A | Photographic element containing a coupler capable of releasing a photographically useful group | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6329130A | Silver halide photographic element, imaging process, and compound | Physics | 0 | Expired |
| US5962656A | Indazole containing coupler | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6007974A | Silver halide element containing triazole inhibitors | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5912110A | Photographic coupler capable of releasing a photographically useful group | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11038189B2 | Cerium nanofiber additives for improved fuel cell durability | Emerging Cross-Sectional Technologies | 0 | Active |
| US5834604A | Photographic element containing a coupler capable of releasing a photograpically useful group through a pyrazole group | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.