Inventor · disambiguated record
David Friend
Also filed as: FRIEND DAVID · FRIEND DAVID R
13 granted patents·13 pending applications·1,164 citations·filing 1977–2024
94Inventor score
Top patents by PatentIndex Score
26 records- 0195US6139865ATaste-masked microcapsule compositions and methods of manufactureEURAND AMERICA INC·Filed 1997·Granted Oct 31, 2000·553 cites·47 claims
- 0294US5811388ADelivery of drugs to the lower GI tractCIBUS PHARMACEUTICAL INC·Filed 1996·Granted Sep 22, 1998·218 cites·30 claims
- 0392US6355270B1Particles for oral delivery of peptides and proteinsUNIV CALIFORNIA·Filed 2000·Granted Mar 12, 2002·72 cites·21 claims
- 0488US4257305APressure sensitive controller for electronic musical instrumentsARP INSTR·Filed 1977·Granted Mar 24, 1981·80 cites·8 claims
- 0582US5238933ASkin permeation enhancer compositionsSTANFORD RES INST INT·Filed 1992·Granted Aug 24, 1993·92 cites·32 claims
- 0681US2024252348A1Eva segmented intravaginal rings containing progesteroneJUNIPER PHARMACEUTICALS INC N/K/A CATALENT JNP INC·Filed 2024·Application pending·0 cites
- 0776US2024115416A1Segmented eva intravaginal ringsJUNIPER PHARMACEUTICALS INC N/K/A CATALENT JNP INC·Filed 2023·Application pending·0 cites
- 0871US5656294AColonic delivery of drugsCIBUS PHARMACEUTICAL INC·Filed 1995·Granted Aug 12, 1997·39 cites·14 claims
- 0969US2023081059A1Method of treatment and prevention of bacterial vaginosisEVOFEM INC·Filed 2022·Application pending·0 cites
- 1067US2021000641A1Eva segmented intravaginal rings containing progesteroneMARTELL BRIDGET·Filed 2020·Application pending·0 cites
- 1163US11419835B2Method of treatment and prevention of bacterial vaginosisEVOFEM INC·Filed 2017·Granted Aug 23, 2022·0 cites·21 claims
- 1263US5112541AMicroencapsulated lubricating fluids and additives and method of making sameIDEMITSU KOSAN CO·Filed 1988·Granted May 12, 1992·18 cites·1 claims
- 1362US6063402APurified galactomannan as an improved pharmaceutical excipientVENTURE LENDING A DIVISION OF·Filed 1995·Granted May 16, 2000·32 cites·8 claims
- 1460US2021007976A1Segmented EVA Intravaginal RingsPRINCE ROBERT·Filed 2020·Application pending·0 cites
- 1559US2024245547A1Intravaginal ring devicesDARE BIOSCIENCE INC·Filed 2022·Application pending·0 cites
- 1659US2021275347A1Intravaginal ring devicesDARE BIOSCIENCE INC·Filed 2021·Application pending·0 cites
- 1757US5729595ANever-busy facsimile serviceFAXNET CORP·Filed 1996·Granted Mar 17, 1998·24 cites·6 claims
- 1857US2024189265A1Compositions and techniques for vaginal insertionDARE BIOSCIENCE INC·Filed 2022·Application pending·0 cites
- 1955US2024165141A1Systems and methods for treatment of bacterial vaginosisDARE BIOSCIENCE INC·Filed 2022·Application pending·0 cites
- 2054US5751794AProactive voice mail serviceFAXNET CORP·Filed 1996·Granted May 12, 1998·28 cites·3 claims
- 2153US2004208931A1Fast dissolving films for oral administration of drugsFRIEND DAVID R·Filed 2003·Application pending·0 cites
- 2247US2005019400A1Controlled-release drug delivery systemFiled 2004·Application pending·0 cites
- 2346US2019209502A1Combination gel for sexually transmitted infectionsEVOFEM INC·Filed 2017·Application pending·0 cites
- 2444US2016030569A1Low-glycerin formulations for hiv treatment and preventionCONRAD·Filed 2014·Application pending·0 cites
- 2536US5091122AMethod for microencapsulation of basic solutionsIDEMITSU KOSAN CO·Filed 1988·Granted Feb 25, 1992·4 cites·10 claims
- 2628US5993860ANSADI delivery employing a powdered hydrocolloid gum obtainable from higher plantsVENTURE LENDING·Filed 1997·Granted Nov 30, 1999·4 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →