Inventor · Dedham, MA, US

Charles D. Blizzard

24Patents
8h-index
27Co-inventors
75Inventor score

Filing activity: Aug 19, 1996 → Jul 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6090925A Macromolecular microparticles and methods of production and use Emerging Cross-Sectional Technologies 291 Expired
US5981719A Macromolecular microparticles and methods of production and use Emerging Cross-Sectional Technologies 258 Expired
US6268053A Macromolecular microparticles and methods of production and use Emerging Cross-Sectional Technologies 162 Expired
US6458387B1 Sustained release microspheres Emerging Cross-Sectional Technologies 156 Expired
US8409606B2 Drug delivery through hydrogel plugs Human Necessities 48 Active
US8563027B2 Drug delivery through hydrogel plugs Human Necessities 35 Active
US10420724B2 Shape changing drug delivery devices and methods Human Necessities 26 Active
US10786462B2 Shape changing drug delivery devices and methods Human Necessities 23 Active
US8614255B2 Pulmonary pharmaceutical formulations Human Necessities 7 Active
US11534396B2 Methods of treatment with an ocular implant containing a tyrosine kinase inhibitor Human Necessities 4 Active
US11291627B1 Sustained release biodegradable intracanalicular inserts comprising a hydrogel and cyclosporine Human Necessities 3 Active
US11331267B2 Sustained release biodegradable intracanalicular inserts comprising a hydrogel and cyclosporine Human Necessities 3 Active
US11439592B2 Ocular implant containing a tyrosine kinase inhibitor Human Necessities 2 Active
US11369591B2 Drug delivery from hydrogels Human Necessities 2 Active
US11622935B2 Methods of treating ocular diseases using polyalkylene glycol intracameral implants with polyactide travoprost particles Chemistry; Metallurgy 1 Active
US11779536B2 Sustained release biodegradable intracanalicular inserts comprising a hydrogel and cyclosporine Human Necessities 1 Active
US12161753B2 Sustained release biodegradable intracanalicular inserts comprising a hydrogel and an active agent Human Necessities 0 Active
US11938223B2 Shape changing drug delivery devices and methods Human Necessities 0 Active
US12329853B2 Compositions and methods for treating ocular diseases Chemistry; Metallurgy 0 Active
US11413250B2 Shape changing drug delivery devices and methods Human Necessities 0 Active
US12109302B2 Sustained release biodegradable intracanalicular inserts comprising a hydrogel and cyclosporine Human Necessities 0 Active
US12357565B2 Ocular implant containing a tyrosine kinase inhibitor Human Necessities 0 Active
US5849884A Macromolecular microparticles and methods of production and use General 0 Revoked
US12171869B2 Intracameral drug delivery depots Human Necessities 0 Active

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