Inventor
HELMSTETTER YVON
FR3 patents
Patents
3 patentsUS7736742B2Jun 15, 2010
Optical article covered with a visible-absorbing, multi-layer anti-reflective coating, and production method thereof
ESSILOR INT10 citations76
US7175878B2Feb 13, 2007
Cold antireflection layer deposition process
ESSILOR INT8 citations65
US6891673B2May 10, 2005
Thin film polarization splitter, its manufacture and ophthalmic lens with projection inserts containing it
ESSILOR INT6 citations59