Inventor · Angers, FR

Richard Legras

3Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Apr 7, 1999 → Apr 23, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6533416B1 Contact or intraocular lens and method for its preparation Physics 160 Expired
US6086202A Method of producing angular tolerance markings for lenses for correcting astigmatism, and associated lenses Physics 19 Expired
US11982879B2 Method for determining to which extent a lens design is adapted to a user Physics 0 Active

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