Inventor · Lille, FR

Jean C. Hache

3Patents
2h-index
6Co-inventors
30Inventor score

Filing activity: Apr 16, 1984 → Sep 5, 1986

Most-cited inventions

PatentTitleAreaCited byStatus
US4626090A Cupola-type ophthalmological apparatus the visual field and the electrophysiological examination of the human eye Human Necessities 7 Expired
US4673265A Procedure and device for automatic refractometric measurement of the degree of ametropia of a human eye Human Necessities 2 Expired
US4619505A Refractometry process and device for measuring the degree of ametropia, and especially the degree of astigmatism, of the eye Human Necessities 2 Expired

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