1. G.d. Searle & Company (4 from 1,323 patents)

2. Pharmacia Corporation (2 from 200 patents)

3. Warner-lambert Company (1 from 2,538 patents)

1. 7119094 - Substituted polycyclic aryl and heteroarpyl pyrazinones useful for selective inhibition of the coagulation cascade

2. 6908919 - Substituted polycyclic aryl and heteroaryl pyrazinones useful for selective inhibition of the coagulation cascade

3. 6831199 - Pyrimidine compounds and derivatives thereof

4. 6664255 - Substituted polycyclic aryl and heteroaryl pyrazinones useful for selective inhibition of the coagulation cascade

5. 6028223 - Meta-guanidine, urea, thiourea or azacyclic amino benzoic acid compounds

6. 5543425 - Method of inhibiting platelet aggregation using phenyl amidine thio

7. 5409939 - Phenyl amidine thio derivatives useful as platelet aggregation inhibitors