Inventor · disambiguated record
Tung Fen Chen
Also filed as: CHEN TUNG F · CHEN TUNG FEN
5 granted patents·336 citations·filing 1991–1996
85Inventor score
Files withCYGNUS THERAPEUTIC SYSTEMS5
Top patents by PatentIndex Score
5 records- 0191US5902603APolyurethane hydrogel drug reservoirs for use in transdermal drug delivery systems, and associated methods of manufacture and useCYGNUS THERAPEUTIC SYSTEMS·Filed 1996·Granted May 11, 1999·171 cites·27 claims
- 0286US5807570ATransdermal administration of ropinirole and analogs thereofCYGNUS THERAPEUTIC SYSTEMS·Filed 1996·Granted Sep 15, 1998·75 cites·42 claims
- 0376US5989586ATwo-phase matrix for sustained release drug delivery deviceCYGNUS THERAPEUTIC SYSTEMS·Filed 1993·Granted Nov 23, 1999·45 cites·14 claims
- 0476US5840336ATwo-phase matrix for sustained release drug delivery deviceCYGNUS THERAPEUTIC SYSTEMS·Filed 1995·Granted Nov 24, 1998·42 cites·12 claims
- 0533US5246706ADevice for administering bimakalim transdermallyCYGNUS THERAPEUTIC SYSTEMS·Filed 1991·Granted Sep 21, 1993·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →