Inventor · Birkenfeld, DE

Stefan Sperl

14Patents
6h-index
21Co-inventors
66Inventor score

Filing activity: Aug 23, 2000 → Mar 23, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7608623B2 Hydroxyamidine and hydroxyguanidine compounds as urokinase inhibitors Chemistry; Metallurgy 15 Expired
US6841702B2 Highly selective inhibitors of the urokinase plasminogen activator Chemistry; Metallurgy 14 Expired
US7208521B2 Selective inhibitors of the urokinase plasminogen activator Chemistry; Metallurgy 8 Expired
US7049460B1 Selective inhibitors of the urokinase plasminogen activator Chemistry; Metallurgy 8 Expired
US7038074B2 Arginine mimetics as factor Xa inhibitors Chemistry; Metallurgy 7 Expired
US7247724B2 Method for the production of phenylalanine derivatives Chemistry; Metallurgy 6 Expired
US7659396B2 Method for the production of phenylalanine derivatives Chemistry; Metallurgy 6 Active
US7807681B2 Hydroxyamidine and hydroxyguanidine compounds as urokinase inhibitors Chemistry; Metallurgy 6 Active
US7538216B2 Guanidino phenylalanin compounds used as urokinase inhibitors Chemistry; Metallurgy 6 Expired
US7049344B2 Highly selective inhibitors of the urokinase plasminogen activator Chemistry; Metallurgy 1 Expired
US12209073B2 Polymorphs of a dihydroorotate dehydrogenase (DHOD) inhibitor Chemistry; Metallurgy 1 Active
US11730716B2 Compounds for treating ophthalmic diseases and disorders Human Necessities 1 Active
US12364680B2 Compounds for treating ophthalmic diseases and disorders Human Necessities 0 Active
US12077517B2 Polymorphs of a dihydroorotate dehydrogenase (DHOD) inhibitor General 0 Revoked

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.