Janak Singh
28Patents
7h-index
33Co-inventors
69Inventor score
Filing activity: Jul 17, 1989 → Jul 10, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7375213B2 | Methods of producing C-aryl glucoside SGLT2 inhibitors | Chemistry; Metallurgy | 85 | Expired |
| US7919598B2 | Crystal structures of SGLT2 inhibitors and processes for preparing same | Chemistry; Metallurgy | 20 | Active |
| US5399725A | 7-oxabicycloheptane carboxylic acid prostaglandin analog intermediates useful in the preparation of anti-thrombotic and anti-vasospastic compounds and method for preparing same | Chemistry; Metallurgy | 19 | Expired |
| US6087383A | Bisulfate salt of HIV protease inhibitor | Human Necessities | 18 | Expired |
| US7932379B2 | Methods of producing C-aryl glucoside SGLT2 inhibitors | Chemistry; Metallurgy | 17 | Active |
| US5194604A | Process and intermediates for beta-lactams having aminothiazole(iminooxyacetic acid)acetic acid sidechains | Chemistry; Metallurgy | 9 | Expired |
| US5608064A | Purinyl salts useful for preparing guanine containing antiviral agents | Chemistry; Metallurgy | 9 | Expired |
| US5618946A | 7-oxabicycloheptane carboxylic acid prostaglandin analog intermediates useful in the preparation of anti-thrombotic and anti-vasospastic compounds and method for preparing same | Chemistry; Metallurgy | 7 | Expired |
| US5177239A | Method for preparing a phosphonic acid ester | Chemistry; Metallurgy | 5 | Expired |
| US8501698B2 | Crystal structures of SGLT2 inhibitors and processes for preparing same | Chemistry; Metallurgy | 4 | Active |
| US5185463A | Process for the preparation of an antiviral agent | Chemistry; Metallurgy | 3 | Expired |
| US5412134A | Process for preparing diprotected 2,3-hydroxymethyl cyclobutanol | Chemistry; Metallurgy | 3 | Expired |
| US5516903A | Process for preparing [IR-(1.alpha.,2.beta.-3.alpha.)]-2-amino-9-[2,3-bis(hydroxymethyl)cyclob utyl]-1,9-dihydro-6H-purin-6-one | Chemistry; Metallurgy | 3 | Expired |
| US9453039B2 | Crystal structures of SGLT2 inhibitors and processes for preparing same | Chemistry; Metallurgy | 2 | Active |
| US5260449A | Method for preparing 7-oxabicycloheptyl substituted bromooxazole amide prostaglandin analog intermediates useful in the preparation of anti-thrombotic and anti-vasospastic compounds | Chemistry; Metallurgy | 1 | Expired |
| US5237096A | Process for the preparation of an antiviral agent | Chemistry; Metallurgy | 1 | Expired |
| US5237095A | Process for the preparation of an antiviral agent | Chemistry; Metallurgy | 1 | Expired |
| US5512690A | 7-oxabicycloheptane carboxylic acid prostaglandin analog intermediates useful in the preparation of anti-thrombotic and anti-basopastic compounds and method for preparing same | Chemistry; Metallurgy | 1 | Expired |
| US5508445A | 7-oxabicycloheptane carboxylic acid protaglandin analog intermediates useful in the preparation of anti-thrombotic and anti-vasospastic compounds and method for preparing same | Chemistry; Metallurgy | 1 | Expired |
| US5874578A | Process for preparing guanine-containing antiviral agents and purinyl salts useful in such process | Chemistry; Metallurgy | 1 | Expired |
| US5218142A | Process for the preparation of an antiviral agent | Chemistry; Metallurgy | 1 | Expired |
| US5210262A | Method for preparing a phosphonic acid ester | Chemistry; Metallurgy | 1 | Expired |
| US4973747A | Process for preparing 3-hydroxy 2-keto acids | Chemistry; Metallurgy | 1 | Expired |
| US5539130A | 7-Oxabicycloheotane carboxylic acid prostaglandin analog intermediates useful in the preparation of anti-thrombotic and anti-vasospastic compounds and method for preparing same | Chemistry; Metallurgy | 1 | Expired |
| US5233086A | Intermediates for the preparation of an antiviral agent | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.