Inventor
SINGH RAMA N
US19 patents
⚠️ This page may combine multiple inventors who share the name “SINGH RAMA N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
13 patentsUS6648485B1Nov 18, 2003
Highly collimating tapered light guide for uniform illumination of flat panel displays
IBM167 citations99
US5052763AOct 1, 1991
Optical system with two subsystems separately correcting odd aberrations and together correcting even aberrations
IBM121 citations97
US5597222AJan 28, 1997
Optical relay lens system for projection displays
IBM55 citations96
US5089913AFeb 18, 1992
High resolution reduction catadioptric relay lens
IBM98 citations96
US7536664B2May 19, 2009
Physical design system and method
IBM44 citations95
US5241423AAug 31, 1993
High resolution reduction catadioptric relay lens
IBM103 citations95
US6600528B2Jul 29, 2003
Integrated prism sheet for improved viewing angle in direct view color filterless liquid crystal displays
IBM29 citations93
US7043712B2May 9, 2006
Method for adaptive segment refinement in optical proximity correction
IBM48 citations92
US5315604AMay 24, 1994
Optical structure for adjusting the peak power of a laser beam
IBM33 citations92
US5401934AMar 28, 1995
Lens system for scanning laser apparatus
IBM49 citations91
US7305334B2Dec 4, 2007
Methodology for image fidelity verification
IBM7 citations74
US7831941B2Nov 9, 2010
CA resistance variability prediction methodology
IBM5 citations62
US7860701B2Dec 28, 2010
Methodology for image fidelity verification
IBM1 citations52