Inventor · Livermore, CA, US

Randall G. Berggren

11Patents
9h-index
12Co-inventors
65Inventor score

Filing activity: May 3, 1985 → Dec 17, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US6375978B1 Rate controlling membranes for controlled drug delivery devices Human Necessities 175 Expired
US5620700A Injectable drug delivery system and method Human Necessities 100 Expired
US5242391A Urethral insert for treatment of erectile dysfunction Human Necessities 100 Expired
US4698062A Medical device for pulsatile transdermal delivery of biologically active agents Human Necessities 94 Expired
US4615699A Transdermal delivery system for delivering nitroglycerin at high transdermal fluxes Human Necessities 85 Expired
US5474535A Dosage and inserter for treatment of erectile dysfunction Human Necessities 62 Expired
US5783205A Injectable drug delivery system and method Human Necessities 57 Expired
US5773020A Treatment of erectile dysfunction Human Necessities 43 Expired
US4681584A Transdermal delivery system for delivering nitroglycerin at high transdermal fluxes Human Necessities 37 Expired
US6093181A Treatment of erectile dysfunction Human Necessities 5 Expired
US6113939A Pharmaceutical compositions for treating priapism and peyronie's syndrome Human Necessities 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.