Inventor · Hamburg, DE

Stephan Neffgen

13Patents
3h-index
11Co-inventors
57Inventor score

Filing activity: Oct 13, 1999 → May 13, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8183305B2 Radiopaque infiltrant Performing Operations; Transporting 15 Active
US6902608B2 Dental material containing phosphonic acids Chemistry; Metallurgy 8 Expired
US8686061B2 Multicomponent system for producing a dental material Human Necessities 3 Active
US6255407A One-component adhesive Human Necessities 3 Expired
US8278367B2 Silicon moulding material comprising a two-stage hardening mechanism Human Necessities 3 Active
US8362172B2 Infiltrant for dental application Human Necessities 1 Active
US8440098B2 Conditioning agent for the etching of enamel lesions Human Necessities 1 Active
US9901519B2 Infiltrant for dental ceramics Human Necessities 0 Active
US9211236B2 Infiltrant for dental application Human Necessities 0 Active
US12186416B2 Monomer mixture for producing a dental material Human Necessities 0 Active
US9901520B2 Infiltrant for dental application Chemistry; Metallurgy 0 Active
US10058487B2 Polymerizable dental material Human Necessities 0 Active
US10633491B2 Radically polymerizable compound Chemistry; Metallurgy 0 Active

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