Robert Chen
43Patents
8h-index
35Co-inventors
75Inventor score
Filing activity: Nov 18, 1976 → May 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5011828A | Immunostimulating guanine derivatives, compositions and methods | Human Necessities | 38 | Expired |
| US5093318A | Immunostimulating guanosine derivatives and their pharmaceutical compositions | Human Necessities | 30 | Expired |
| US6441049B2 | Method of treating neurodegenerative disorders via inhibition of amyloid beta peptide binding | Chemistry; Metallurgy | 24 | Expired |
| US5208327A | Intermediates useful in a synthesis of 2-chloro-2'-deoxyadenosine | Chemistry; Metallurgy | 16 | Expired |
| US4102895A | Oxepanes | Chemistry; Metallurgy | 15 | Expired |
| US5972939A | Cyclopentene derivatives useful as antagonists of the motilin receptor | Chemistry; Metallurgy | 15 | Expired |
| US5786359A | N.sup.9 alkyl or aralkyl derivatives of 7, 8-disubstituted guanines | Chemistry; Metallurgy | 14 | Expired |
| US6384031B1 | Cyclobutene derivatives useful as antagonists of the motilin receptor | Human Necessities | 9 | Expired |
| US6624165B2 | Cyclopentene derivatives useful as antagonists of the motilin receptor | Human Necessities | 8 | Expired |
| US6667309B2 | Cyclobutene derivatives useful as antagonists of the motilin receptor | Human Necessities | 8 | Expired |
| US5136030A | Immunostimulating guanine derivatives, compositions and methods | Human Necessities | 8 | Expired |
| US6392040B1 | Cyclopentene compounds useful as antagonists of the motilin receptor | Human Necessities | 8 | Expired |
| US7487933B1 | Homing missile guidance and estimation algorithms against advanced maneuvering targets | Physics | 7 | Active |
| US7018797B2 | Method for treating neurodegenerative disorders | Chemistry; Metallurgy | 6 | Expired |
| US6423714B1 | Cyclohexene derivatives useful as antagonists of the motilin receptor | Human Necessities | 6 | Expired |
| US5925769A | Acetylenic 1,5-diarylpyrazoles as antiinflammatory agents | Chemistry; Metallurgy | 6 | Expired |
| US5382580A | N9 morpholino derivatives of 7,8-disubstituted guanines | Chemistry; Metallurgy | 5 | Expired |
| US5441942A | 2'3'-dideoxy-2',3'-didehydro-7,8-disubstituted guanosines and their immunostimulative effect | Chemistry; Metallurgy | 5 | Expired |
| US4112078A | Isolation of uteroevacuant substances from plant extracts | Human Necessities | 5 | Expired |
| US4215048A | Total synthesis of (1RS, 4SR, 5RS)-4-(4,8-dimethyl-5-hydroxy-7-nonenyl)-4-methyl-3,8-dioxabicyclo[3.2. 1]octane-1-acetic acid | Chemistry; Metallurgy | 5 | Expired |
| US7001898B2 | Nonpeptide substituted spirobenzoazepines as vasopressin antagonists | Chemistry; Metallurgy | 4 | Expired |
| US4237054A | Total synthesis of (1RS,4SR,5RS)-4-(4,8-dimethyl-5-hydroxy-7-nonenyl)-4-methyl-3,8-dioxabic yclo[3.2.1] octane-1-acetic acid | Chemistry; Metallurgy | 4 | Expired |
| US4112079A | Isolation of uteroevacuant substances from plant extracts | Human Necessities | 3 | Expired |
| US7365062B2 | Nonpeptide substituted spirobenzoazepines as vasopressin antagonists | Chemistry; Metallurgy | 2 | Active |
| US5753715A | 2-disubstituted cyclohexenyl and cyclohexyl antimicrobial agents | Chemistry; Metallurgy | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.