E Ink Corporation is a privately held manufacturer of electrophoretic displays (EPDs), a kind of electronic paper. E Ink is located in Billerica, Massachusetts, and was co-founded in 1997 by undergraduates J.D. Albert & Barrett Comiskey, Joseph Jacobson (professor in the MIT Media Lab), Jerome Rubin (LexisNexis co-founder) and Russ Wilcox. Two years later, E Ink partnered with Philips to develop and market the technology. Jacobson and Comiskey are listed as inventors on the original patent filed in 1996. In 2005, Philips sold the electronic paper business as well as its related patents to Prime View International.