Guohua Chen
82Patents
23h-index
111Co-inventors
91Inventor score
Filing activity: Jun 7, 1995 → Dec 5, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6063637A | Sensors for sugars and other metal binding analytes | Emerging Cross-Sectional Technologies | 425 | Expired |
| US6375978B1 | Rate controlling membranes for controlled drug delivery devices | Human Necessities | 175 | Expired |
| US6287295A | Osmotic delivery system, osmotic delivery system semimpermeable body assembly, and method for controlling delivery rate of beneficial agents from osmotic delivery systems | Human Necessities | 140 | Expired |
| US6113938A | Beneficial agent delivery system with membrane plug and method for controlling delivery of beneficial agents | Human Necessities | 103 | Expired |
| US6923800B2 | Osmotic delivery system, osmotic delivery system semipermeable body assembly, and method for controlling delivery rate of beneficial agents from osmotic delivery systems | Human Necessities | 101 | Expired |
| US6486213B1 | Block and graft copolymers and methods relating thereto | Human Necessities | 79 | Expired |
| USD914652S1 | Wireless earphone | General | 78 | Active |
| US7241457B2 | Osmotically driven active agent delivery device providing an ascending release profile | Human Necessities | 60 | Expired |
| USD925500S1 | Wireless earphone | General | 55 | Active |
| USD920293S1 | Wireless earphone | General | 49 | Active |
| US8852638B2 | Sustained release small molecule drug formulation | Human Necessities | 37 | Active |
| US7829109B2 | Catheter injectable depot compositions and uses thereof | Human Necessities | 35 | Expired |
| US8114437B2 | Solvent/polymer solutions as suspension vehicles | Emerging Cross-Sectional Technologies | 35 | Active |
| US7368126B2 | Controlled release depot formulations | Human Necessities | 34 | Expired |
| US8206745B2 | Solvent/polymer solutions as suspension vehicles | Emerging Cross-Sectional Technologies | 32 | Active |
| US8211467B2 | Osmotic drug delivery devices containing suspension formulations comprising particles having active agents and nonaqueous single-phase vehicles | Emerging Cross-Sectional Technologies | 31 | Active |
| US5770627A | Hydrophobically-modified bioadhesive polyelectrolytes and methods relating thereto | Human Necessities | 31 | Expired |
| USD959726S1 | Night light | General | 28 | Active |
| US8440226B2 | Solvent/polymer solutions as suspension vehicles | Emerging Cross-Sectional Technologies | 26 | Active |
| US8460694B2 | Solvent/polymer solutions as suspension vehicles | Emerging Cross-Sectional Technologies | 26 | Active |
| US9095553B2 | Solvent/polymer solutions as suspension vehicles | Emerging Cross-Sectional Technologies | 26 | Active |
| USD958440S1 | Plant lamp | General | 26 | Active |
| US9114238B2 | Solvent-cast microprotrusion arrays containing active ingredient | Human Necessities | 24 | Active |
| US9526763B2 | Solvent/polymer solutions as suspension vehicles | Emerging Cross-Sectional Technologies | 23 | Active |
| US9687641B2 | Method and device for transdermal delivery of parathyroid hormone using a microprojection array | Human Necessities | 21 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.