Inventor
KANNAN RAMAMURTHI
US21 patents
⚠️ This page may combine multiple inventors who share the name “KANNAN RAMAMURTHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US AIR FORCE
11 patentsUS5859251AJan 12, 1999
Symmetrical dyes with large two-photon absorption cross-sections
US AIR FORCE98 citations96
US7319151B1Jan 15, 2008
Thermally cross-linkable two-photon chromophores
US AIR FORCE18 citations92
US6730793B1May 4, 2004
Two-photon responsive chromophores containing electron accepting core units
US AIR FORCE19 citations92
US6555682B1Apr 29, 2003
Two-photon responsive chromophores containing electron accepting cores
US AIR FORCE31 citations92
US6300502B1Oct 9, 2001
Multi-armed chromophores with very large two-photon absorption cross-sections
US AIR FORCE45 citations92
US6100405AAug 8, 2000
Benzothiazole-containing two-photon chromophores exhibiting strong frequency upconversion
US AIR FORCE104 citations92
US7067674B1Jun 27, 2006
Two-photon absorbing chromophores containing polymerizable olefinic groups
US AIR FORCE9 citations74
US6867304B1Mar 15, 2005
Photoinitiators for two-photon induced free-radical polymerization
US AIR FORCE10 citations74
US10113065B1Oct 30, 2018
Two-photon absorbing compounds and methods of making same
US AIR FORCE3 citations73
US8895730B2Nov 25, 2014
Synthesis of two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine molecules
US AIR FORCE3 citations62
US7495106B1Feb 24, 2009
O-aminophenol-containing AB-monomer for heterocyclic rigid-rod polymers
US AIR FORCE3 citations60
TAN LOON-SENG
6 patentsUS8580958B1Nov 12, 2013
Two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine molecules
TAN LOON-SENG8 citations83
US8318888B1Nov 27, 2012
Two-photon absorbing cross-linked polyurethanes containing delphenylamino-dialkyffluorene-1,3,5-triazine units
TAN LOON-SENG8 citations83
US9024037B1May 5, 2015
Two-photon absorbing polymers based on triarylamine-benzobisthiazole-triarylamine quadrupolar-structure motif
TAN LOON-SENG4 citations72
US8674057B1Mar 18, 2014
Aromatic polyimides, polyamides and poly(amide-imide) containing diarylaminofluorene-benzothiazole moieties as two-photon active units
TAN LOON-SENG3 citations61
US8471035B1Jun 25, 2013
Two-photon absorbing arylamine-endcapped and dialkylfluorene-bridged benzobisthiazole compounds with high oleophilicity
TAN LOON-SENG3 citations61
US8153812B1Apr 10, 2012
Two-photon absorbing diphenylaminofluorene-benzothiazole bis(aminophenoxy) monomers
TAN LOON-SENG3 citations61