Inventor · disambiguated record
Geoffrey E. Ficken
Also filed as: FICKEN GEOFFREY E · FICKEN GEOFFREY ERNEST
6 granted patents·83 citations·filing 1976–1989
82Inventor score
Top patents by PatentIndex Score
6 records- 0193US4040825ASpectral sensitization of photographic material with natural colloids containing sensitizing dye groupsCIBA GEIGY AG·Filed 1976·Granted Aug 9, 1977·30 cites·7 claims
- 0291US4138551ASpectral sensitization of photographic material and new spectral sensitizersCIBA GEIGY AG·Filed 1977·Granted Feb 6, 1979·33 cites·5 claims
- 0373US4728601ATetra-aza indene compoundsCIBA GEIGY AG·Filed 1986·Granted Mar 1, 1988·13 cites·3 claims
- 0446US4996141AMonomethine compoundsILFORD LTD·Filed 1989·Granted Feb 26, 1991·3 cites·10 claims
- 0544US4287348APreparation of sulphoalkyl quaternary saltsCIBA GEIGY AG·Filed 1978·Granted Sep 1, 1981·2 cites·8 claims
- 0628US4804599AOptical sensitizing dyesCIBA GEIGY AG·Filed 1988·Granted Feb 14, 1989·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →