YH

Yvon Helmstetter

EI Essilor International: 2 patents #195 of 646Top 35%
ED Essilor International (Compagnie Generale D'Optique): 1 patents #310 of 693Top 45%
📍 Boviolles, FR: #1 of 1 inventorsTop 100%
Overall (All Time): #1,569,527 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7736742 Optical article covered with a visible-absorbing, multi-layer anti-reflective coating, and production method thereof Michele M. Thomas, Alain Arnal 2010-06-15
7175878 Cold antireflection layer deposition process Jean-Daniel Bernhard, Frederic Arrouy 2007-02-13
6891673 Thin film polarization splitter, its manufacture and ophthalmic lens with projection inserts containing it Herve Cado, Frederic Arrouy 2005-05-10