Inventor · disambiguated record
Robert J. Fiel
Also filed as: FIEL ROBERT J
2 granted patents·39 citations·filing 1990–1993
63Inventor score
Files withHEALTH RESEARCH INC2
Top patents by PatentIndex Score
2 records- 0182US5236915AMeso poly(4-sulfonatophenyl) porphines as MRI image enhancing agentsHEALTH RESEARCH INC·Filed 1990·Granted Aug 17, 1993·34 cites·6 claims
- 0232US5397777AMeso poly(4-sulfonatophenyl) porphines as MRI image enhancing agentsHEALTH RESEARCH INC·Filed 1993·Granted Mar 14, 1995·5 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →