Govindarajan Manikumar
16Patents
11h-index
15Co-inventors
65Inventor score
Filing activity: Mar 31, 1987 → Jun 30, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4894456A | Synthesis of camptothecin and analogs thereof | Chemistry; Metallurgy | 93 | Expired |
| US4981968A | Synthesis of camptothecin and analogs thereof | Chemistry; Metallurgy | 65 | Expired |
| US5244903A | Camptothecin analogs as potent inhibitors of topoisomerase I | Chemistry; Metallurgy | 56 | Expired |
| US5180722A | 10,11-methylenedioxy-20(RS)-camptothecin and 10,11-methylenedioxy-20(S)-camptothecin analogs | Chemistry; Metallurgy | 56 | Expired |
| US5049668A | 10,11-methylenedioxy-20(RS)-camptothecin analogs | Human Necessities | 49 | Expired |
| US5122526A | Camptothecin and analogs thereof and pharmaceutical compositions and method using them | Chemistry; Metallurgy | 46 | Expired |
| US5227380A | Pharmaceutical compositions and methods employing camptothecins | Chemistry; Metallurgy | 28 | Expired |
| US5364858A | Camptothecin analogs as potent inhibitors of topoisomerase I | Chemistry; Metallurgy | 22 | Expired |
| US5401747A | Alkyl camptothecin compounds as potent inhibitors of human colorectal cancer | Chemistry; Metallurgy | 21 | Expired |
| US5340817A | Method of treating tumors with anti-tumor effective camptothecin compounds | Chemistry; Metallurgy | 20 | Expired |
| US5204352A | Compounds exhibiting anti-parasitic activity and a method for their use | Chemistry; Metallurgy | 12 | Expired |
| US6288072A | Camptothecin .beta.-alanine esters with topoisomerase I inhibition | Human Necessities | 4 | Expired |
| US6825206B1 | Camptothecin compounds with a thioether group | Human Necessities | 2 | Expired |
| US6268375A | 10, 11-difluoromethylenedioxycamptothecin compounds with topoisomerase I inhibition | Human Necessities | 1 | Expired |
| US7071204B2 | Camptothecin analogs having an E-ring ketone | Chemistry; Metallurgy | 0 | Expired |
| US7067666B2 | 7-substituted camptothecin and camptothecin analogs and methods for producing the same | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.