David W. Cushman
31Patents
12h-index
13Co-inventors
78Inventor score
Filing activity: Feb 13, 1976 → May 28, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4105776A | Proline derivatives and related compounds | Chemistry; Metallurgy | 228 | Expired |
| US4046889A | Azetidine-2-carboxylic acid derivatives | Chemistry; Metallurgy | 172 | Expired |
| US4053651A | Compounds and method for alleviating angiotensin related hypertension | Chemistry; Metallurgy | 113 | Expired |
| US4052511A | Carboxyacylproline derivatives | Chemistry; Metallurgy | 90 | Expired |
| US4206232A | Relieving hypertension with carboxyalkylacylamino acids | Chemistry; Metallurgy | 82 | Expired |
| US4154840A | Antihypertensive pipecolic acid derivatives | Chemistry; Metallurgy | 56 | Expired |
| US4105789A | Carboxyalkylacylamino acids | Chemistry; Metallurgy | 43 | Expired |
| US4339600A | Compounds for alleviating angiotensin related hypertension | Chemistry; Metallurgy | 34 | Expired |
| US6087368A | Quinazolinone inhibitors of cGMP phosphodiesterase | Human Necessities | 26 | Expired |
| US4401677A | Enkephalinase inhibitors | Chemistry; Metallurgy | 22 | Expired |
| US4199512A | Compounds for alleviating hypertension | Chemistry; Metallurgy | 21 | Expired |
| US4154937A | Hydroxycarbamoylalkylacylpipecolic acid compounds | Chemistry; Metallurgy | 16 | Expired |
| US4128653A | Reduction of blood pressure with carboxyalkylacyl-pipecolic acid derivatives | Chemistry; Metallurgy | 10 | Expired |
| US4086338A | N-carboxyalkanoyl derivatives of azetidine-2-carboxylic acid | Chemistry; Metallurgy | 9 | Expired |
| US4228184A | Carboxyalkylacylamino acids | Chemistry; Metallurgy | 7 | Expired |
| US4112119A | Method for alleviating angiotensin related hypertension | Chemistry; Metallurgy | 6 | Expired |
| US4474799A | Enkephalinase inhibitors | Chemistry; Metallurgy | 5 | Expired |
| US4474795A | Enkephalinase inhibitors | Chemistry; Metallurgy | 4 | Expired |
| US4153725A | Relieving angiotension related hypertension with carboxyalkylacylamino acids | Chemistry; Metallurgy | 4 | Expired |
| US4140797A | Method for alleviating angiotensin related hypertension | Chemistry; Metallurgy | 2 | Expired |
| US4173704A | Dithio aminoacid derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4140786A | Method for alleviating angiotensin related hypertension | Chemistry; Metallurgy | 1 | Expired |
| US4146641A | Carboxyalkylacylamino acids | Chemistry; Metallurgy | 1 | Expired |
| US4200649A | Relieving hypertension with carboxyalkylacylamino acids | Chemistry; Metallurgy | 0 | Expired |
| US4207337A | Relieving hypertension with carboxyalkylacylamino acids | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.