Inventor · Aalen, DE

Ralf Hilgers

3Patents
2h-index
5Co-inventors
30Inventor score

Filing activity: Jan 14, 2000 → Aug 21, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US6392825B1 Assembly comprising an optical element and a mount Physics 40 Expired
US6191898A Optical imaging device, particularly an objective, with at least one optical element Physics 29 Expired
US7274430B2 Optical arrangement and projection exposure system for microlithography with passive thermal compensation Physics 0 Expired

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