Patrick S. L. Wong
206Patents
61h-index
103Co-inventors
93Inventor score
Filing activity: May 23, 1977 → Mar 2, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4265874A | Method of delivering drug with aid of effervescent activity generated in environment of use | Human Necessities | 556 | Expired |
| US4612008A | Osmotic device with dual thermodynamic activity | Human Necessities | 476 | Expired |
| US4783337A | Osmotic system comprising plurality of members for dispensing drug | Emerging Cross-Sectional Technologies | 377 | Expired |
| US4765989A | Osmotic device for administering certain drugs | Human Necessities | 357 | Expired |
| US6245357A | Extended release dosage form | Human Necessities | 329 | Expired |
| US6322808A | Device for enhancing transdermal agent flux | Human Necessities | 324 | Expired |
| US6120803A | Prolonged release active agent dosage form adapted for gastric retention | Human Necessities | 255 | Expired |
| US5795591A | Osmotic drug delivery devices with hydrophobic wall materials | Human Necessities | 178 | Expired |
| US5019397A | Aqueous emulsion for pharmaceutical dosage form | Human Necessities | 164 | Expired |
| US4892778A | Juxtaposed laminated arrangement | Emerging Cross-Sectional Technologies | 161 | Expired |
| US5866161A | Hydrocodone therapy | Human Necessities | 157 | Expired |
| US4902514A | Dosage form for administering nilvadipine for treating cardiovascular symptoms | Human Necessities | 154 | Expired |
| US5413572A | Osmotic dosage system for liquid drug delivery | Human Necessities | 152 | Expired |
| US6797283B1 | Gastric retention dosage form having multiple layers | Emerging Cross-Sectional Technologies | 148 | Expired |
| US4777049A | Constant release system with pulsed release | Human Necessities | 141 | Expired |
| US5620705A | Progestin tablet | Human Necessities | 133 | Expired |
| US4564364A | Active agent dispenser | Human Necessities | 131 | Expired |
| US5082668A | Controlled-release system with constant pushing source | Human Necessities | 129 | Expired |
| US5633011A | Progesterone replacement therapy | Human Necessities | 127 | Expired |
| US4344929A | Method of delivering drug with aid of effervescent activity generated in environment of use | Human Necessities | 124 | Expired |
| US6174547A | Dosage form comprising liquid formulation | Human Necessities | 118 | Expired |
| US6096339A | Dosage form, process of making and using same | Human Necessities | 116 | Expired |
| US4629449A | Vaginal dispenser for dispensing beneficial hormone | Human Necessities | 115 | Expired |
| US6929803B2 | Conversion of liquid filled gelatin capsules into controlled release systems by multiple coatings | Human Necessities | 110 | Expired |
| US5869097A | Method of therapy comprising an osmotic caplet | Human Necessities | 108 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.