J. Michael Ramstack
44Patents
17h-index
29Co-inventors
81Inventor score
Filing activity: Oct 3, 1996 → Nov 27, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5650173A | Preparation of biodegradable microparticles containing a biologically active agent | Human Necessities | 206 | Expired |
| US6495164B1 | Preparation of injectable suspensions having improved injectability | Human Necessities | 163 | Expired |
| US5792477A | Preparation of extended shelf-life biodegradable, biocompatible microparticles containing a biologically active agent | Emerging Cross-Sectional Technologies | 145 | Expired |
| US5916598A | Preparation of biodegradable, biocompatible microparticles containing a biologically active agent | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6110503A | Preparation of biodegradable, biocompatible microparticles containing a biologically active agent | Emerging Cross-Sectional Technologies | 76 | Expired |
| US8618240B2 | Methods and systems for generating nanoparticles | Emerging Cross-Sectional Technologies | 70 | Active |
| US6667061B2 | Preparation of injectable suspensions having improved injectability | Human Necessities | 67 | Expired |
| US6194006A | Preparation of microparticles having a selected release profile | Emerging Cross-Sectional Technologies | 62 | Expired |
| US8404799B2 | Methods and systems for generating nanoparticles | Emerging Cross-Sectional Technologies | 54 | Active |
| US6596316B2 | Preparation of microparticles having a selected release profile | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6264987A | Method for preparing microparticles having a selected polymer molecular weight | Performing Operations; Transporting | 33 | Expired |
| US6824822B2 | Residual solvent extraction method and microparticles produced thereby | Performing Operations; Transporting | 28 | Expired |
| US6534092B2 | Method for preparing microparticles having a selected polymer molecular weight | Performing Operations; Transporting | 28 | Expired |
| US7371406B2 | Preparation of injectable suspensions having improved injectability | Human Necessities | 26 | Expired |
| US6379703B1 | Preparation of microparticles having a selected release profile | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7223440B2 | Residual solvent extraction method and microparticles produced thereby | Performing Operations; Transporting | 20 | Expired |
| US6379704B2 | Method for preparing microparticles having a selected polymer molecular weight | Performing Operations; Transporting | 19 | Expired |
| US6830737B2 | Apparatus for preparing microparticles using liquid-liquid extraction | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6290983A | Preparation of biodegradable, biocompatible microparticles containing a biologically active agent | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6403114B1 | Preparation of biodegradable, biocompatible microparticles containing a biologically active agent | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6471995B1 | Apparatus and method for preparing microparticles using liquid-liquid extraction | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8207290B2 | Methods and systems for generating nanoparticles | Emerging Cross-Sectional Technologies | 4 | Active |
| US8546521B2 | Method for fabricating nanoparticles | Chemistry; Metallurgy | 3 | Active |
| US7279579B2 | Polymorphic forms of naltrexone | Chemistry; Metallurgy | 2 | Expired |
| US8975272B2 | Polymorphic forms of naltrexone | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.