Inventor · Warwick, PA, US

E Guan

6Patents
5h-index
5Co-inventors
48Inventor score

Filing activity: Jun 4, 2008 → Jan 27, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US8475415B2 Positive displacement stopper for a pre-filled syringe Human Necessities 30 Active
US8740856B2 Stoppers used in pre-filled syringes Human Necessities 25 Active
US8740854B2 Stopper and plunger rod for a pre-filled syringe Human Necessities 21 Active
US9592346B2 Stoppers used in pre-filled syringes Human Necessities 11 Active
US9649444B2 Positive displacement stopper for a pre-filled syringe Human Necessities 7 Active
US10183118B2 Stoppers used in pre-filled syringes Human Necessities 3 Active

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