Inventor · disambiguated record
Jean C. Hache
Also filed as: HACHE JEAN C · HACHE JEAN-CLAUDE
3 granted patents·21 citations·filing 1984–1986
66Inventor score
Technology areasA61B
Top patents by PatentIndex Score
3 records- 0136US4626090ACupola-type ophthalmological apparatus the visual field and the electrophysiological examination of the human eyeINST NAT SANTE RECH MED·Filed 1984·Granted Dec 2, 1986·14 cites·14 claims
- 0222US4619505ARefractometry process and device for measuring the degree of ametropia, and especially the degree of astigmatism, of the eyeESSILOR INT·Filed 1984·Granted Oct 28, 1986·4 cites·5 claims
- 0321US4673265AProcedure and device for automatic refractometric measurement of the degree of ametropia of a human eyeESSILOR INT·Filed 1986·Granted Jun 16, 1987·3 cites·3 claims
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