Inventor · disambiguated record
Jean-Claude Hennequin
Also filed as: HENNEQUIN JEAN-CLAUDE
5 granted patents·50 citations·filing 1981–1990
79Inventor score
Files withESSILOR INT5
Top patents by PatentIndex Score
5 records- 0138US4591246AOcular parameter measuring deviceESSILOR INT·Filed 1983·Granted May 27, 1986·17 cites·4 claims
- 0236US4391527AProcess and device for the positioning of an optical measuring instrument and a spectacle frame in relation to each otherESSILOR INT·Filed 1981·Granted Jul 5, 1983·5 cites·11 claims
- 0329US4714330ADevice for detecting and/or measuring visual deficienciesESSILOR INT·Filed 1985·Granted Dec 22, 1987·8 cites·6 claims
- 0428US5033840AInterpupillary distance measuring device with no moving partsESSILOR INT·Filed 1990·Granted Jul 23, 1991·12 cites·9 claims
- 0524US4597651AApparatus for the detection of eye sight defects and cassette for the operation of such an apparatusESSILOR INT·Filed 1983·Granted Jul 1, 1986·8 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →