Inventor · Newton, MA, US

Robert S. Langer

498Patents
97h-index
553Co-inventors
93Inventor score

Filing activity: Jan 5, 1977 → Sep 5, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5814599A Transdermal delivery of encapsulated drugs Human Necessities 761 Expired
US5543158A Biodegradable injectable nanoparticles Emerging Cross-Sectional Technologies 687 Expired
US6388043B1 Shape memory polymers Emerging Cross-Sectional Technologies 663 Expired
US5797898A Microchip drug delivery devices Human Necessities 661 Expired
US6241771A Resorbable interbody spinal fusion devices Emerging Cross-Sectional Technologies 630 Expired
US6007845A Nanoparticles and microparticles of non-linear hydrophilic-hydrophobic multiblock copolymers Emerging Cross-Sectional Technologies 564 Expired
US5985309A Preparation of particles for inhalation Human Necessities 525 Expired
US6160084A Biodegradable shape memory polymers Human Necessities 521 Expired
US5855913A Particles incorporating surfactants for pulmonary drug delivery Human Necessities 507 Expired
US5458140A Enhancement of transdermal monitoring applications with ultrasound and chemical enhancers Human Necessities 501 Expired
US5041138A Neomorphogenesis of cartilage in vivo from cell culture Emerging Cross-Sectional Technologies 484 Expired
US6041253A Effect of electric field and ultrasound for transdermal drug delivery Human Necessities 475 Expired
US5874064A Aerodynamically light particles for pulmonary drug delivery Human Necessities 449 Expired
US5330768A Controlled drug delivery using polymer/pluronic blends Human Necessities 440 Expired
US5019034A Control of transport of molecules across tissue using electroporation Human Necessities 439 Expired
US6720402B2 Shape memory polymers Emerging Cross-Sectional Technologies 424 Expired
US4753652A Biomaterial implants which resist calcification Human Necessities 416 Expired
US7226442B2 Microchip reservoir devices using wireless transmission of power and data Human Necessities 384 Expired
US6123861A Fabrication of microchip drug delivery devices Human Necessities 355 Expired
US5626862A Controlled local delivery of chemotherapeutic agents for treating solid tumors Human Necessities 349 Expired
US6491666B1 Microfabricated devices for the delivery of molecules into a carrier fluid Human Necessities 342 Expired
US5716404A Breast tissue engineering Human Necessities 323 Expired
US4906474A Bioerodible polyanhydrides for controlled drug delivery Human Necessities 307 Expired
US4861627A Preparation of multiwall polymeric microcapsules Emerging Cross-Sectional Technologies 290 Expired
US5514378A Biocompatible polymer membranes and methods of preparation of three dimensional membrane structures Performing Operations; Transporting 289 Expired

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