Inventor
BIETRY JOSEPH R
US38 patents
⚠️ This page may combine multiple inventors who share the name “BIETRY JOSEPH R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EASTMAN KODAK CO
23 patentsUS6069748AMay 30, 2000
Laser line generator system
EASTMAN KODAK CO73 citations96
US5581405ADec 3, 1996
Hybrid refractive/diffractive achromatic camera lens and camera using such
EASTMAN KODAK CO87 citations96
US7616393B2Nov 10, 2009
Compact folded thin lens
EASTMAN KODAK CO20 citations93
US8366281B2Feb 5, 2013
Out-of-plane motion of speckle reduction element
EASTMAN KODAK CO22 citations92
US8016422B2Sep 13, 2011
Etendue maintaining polarization switching system and related methods
EASTMAN KODAK CO23 citations92
US7891816B2Feb 22, 2011
Stereo projection using polarized solid state light sources
EASTMAN KODAK CO29 citations92
US7068883B2Jun 27, 2006
Symmetric, bi-aspheric lens for use in optical fiber collimator assemblies
EASTMAN KODAK CO28 citations92
US6438290B1Aug 20, 2002
Micro-aspheric collimator lens
EASTMAN KODAK CO35 citations92
US5909322AJun 1, 1999
Magnifier lens
EASTMAN KODAK CO21 citations92
US5886825AMar 23, 1999
Magnifier Lens
EASTMAN KODAK CO29 citations92
US5646788AJul 8, 1997
Dual aperture lens
EASTMAN KODAK CO37 citations92
US7926951B2Apr 19, 2011
Laser illuminated micro-mirror projector
EASTMAN KODAK CO23 citations91
US5680260AOct 21, 1997
Optical element assembly having optical elements with mounting extensions
EASTMAN KODAK CO45 citations91
US7764440B2Jul 27, 2010
Dual focal length lens system
EASTMAN KODAK CO17 citations84
US7573654B2Aug 11, 2009
Dual focal length lens system
EASTMAN KODAK CO10 citations84
US7458687B2Dec 2, 2008
High efficiency digital cinema projection system with increased etendue
EASTMAN KODAK CO18 citations84
US5703721ADec 30, 1997
Optical magnifier
EASTMAN KODAK CO12 citations74
US5604639AFeb 18, 1997
Two-element optical system and camera and method of making a camera
EASTMAN KODAK CO9 citations73
US6075656AJun 13, 2000
High numerical aperture objective lens
EASTMAN KODAK CO12 citations72
US5555062ASep 10, 1996
Recyclable single-use camera with replaceable front lens element
EASTMAN KODAK CO10 citations71
US4600276AJul 15, 1986
Optical disc player lens
EASTMAN KODAK CO3 citations63
US6744566B2Jun 1, 2004
Symmetric, bi-aspheric lens for use in transmissive and reflective optical fiber components
EASTMAN KODAK CO6 citations62
US7988306B2Aug 2, 2011
Afocal attachment for projection lens
EASTMAN KODAK CO0 citations42
SILVERSTEIN BARRY D
6 patentsUS8220931B2Jul 17, 2012
Etendue reduced stereo projection using segmented disk
SILVERSTEIN BARRY D10 citations84
US8066382B2Nov 29, 2011
Stereoscopic projector with rotating segmented disk
SILVERSTEIN BARRY D18 citations82
US8172404B2May 8, 2012
Projection with lenslet arrangement on speckle reduction element
SILVERSTEIN BARRY D6 citations73
US8235531B2Aug 7, 2012
Optical interference reducing element for laser projection
SILVERSTEIN BARRY D4 citations62
US8172403B2May 8, 2012
Projection with curved speckle reduction element surface
SILVERSTEIN BARRY D2 citations62
US8136948B2Mar 20, 2012
Etendue maintaining polarization switching system and related methods
SILVERSTEIN BARRY D0 citations51