Inventor · Ann Arbor, MI, US

John R. Crison

10Patents
9h-index
5Co-inventors
57Inventor score

Filing activity: Feb 6, 1995 → Jan 24, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6048551A Microsphere encapsulation of gene transfer vectors Emerging Cross-Sectional Technologies 113 Expired
US5993858A Method and formulation for increasing the bioavailability of poorly water-soluble drugs Human Necessities 44 Expired
US5851275A Water soluble pharmaceutical coating and method for producing coated pharmaceuticals Human Necessities 31 Expired
US5674530A Method for making a multi-stage drug delivery system Human Necessities 29 Expired
US5976571A Method for making a multi-stage drug delivery system Human Necessities 21 Expired
US6669954B2 Controlled release of drugs Human Necessities 16 Expired
US5569452A Pharmaceutical formulation having enhanced bile acid binding affinity Human Necessities 15 Expired
US6207191A Multi-stage drug delivery system Human Necessities 14 Expired
US5686133A Water soluble pharmaceutical coating and method for producing coated pharmaceuticals Human Necessities 9 Expired
US5834022A Water soluble pharmaceutical coating and method for producing coated pharmaceuticals Human Necessities 7 Expired

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