RK

Ramamurthi Kannan

UF US Air Force: 17 patents #172 of 16,312Top 2%
HD Hilton Davis: 1 patents #3 of 5Top 60%
SD Sterling Drug: 1 patents #122 of 246Top 50%
TM The Mead: 1 patents #281 of 526Top 55%
📍 Cincinnati, OH: #403 of 8,043 inventorsTop 6%
🗺 Ohio: #3,102 of 73,341 inventorsTop 5%
Overall (All Time): #209,010 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10113065 Two-photon absorbing compounds and methods of making same Loon-Seng Tan 2018-10-30
9024037 Two-photon absorbing polymers based on triarylamine-benzobisthiazole-triarylamine quadrupolar-structure motif Loon-Seng Tan, Matthew Dalton 2015-05-05
8895730 Synthesis of two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine molecules Loon-Seng Tan, Matthew Dalton 2014-11-25
8735528 Two-photon absorbing cross-linked polyurethanes containing diphenylamino-dialkylfluorene-1,3,5-triazine units Loon-Seng Tan, Matthew Dalton 2014-05-27
8674057 Aromatic polyimides, polyamides and poly(amide-imide) containing diarylaminofluorene-benzothiazole moieties as two-photon active units Loon-Seng Tan, Matthew Dalton 2014-03-18
8580958 Two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine molecules Loon-Seng Tan, Matthew Dalton 2013-11-12
8471035 Two-photon absorbing arylamine-endcapped and dialkylfluorene-bridged benzobisthiazole compounds with high oleophilicity Loon-Seng Tan, Matthew Dalton 2013-06-25
8318888 Two-photon absorbing cross-linked polyurethanes containing delphenylamino-dialkyffluorene-1,3,5-triazine units Loon-Seng Tan, Matthew Dalton 2012-11-27
8153812 Two-photon absorbing diphenylaminofluorene-benzothiazole bis(aminophenoxy) monomers Loon-Seng Tan, Matthew Dalton 2012-04-10
7495106 O-aminophenol-containing AB-monomer for heterocyclic rigid-rod polymers Loon-Seng Tan, Jim C. Spain, Lloyd J. Nadeau 2009-02-24
7319151 Thermally cross-linkable two-photon chromophores Loon-Seng Tan 2008-01-15
7067674 Two-photon absorbing chromophores containing polymerizable olefinic groups Loon-Seng Tan 2006-06-27
6867304 Photoinitiators for two-photon induced free-radical polymerization Loon-Seng Tan 2005-03-15
6730793 Two-photon responsive chromophores containing electron accepting core units Loon-Seng Tan, Bruce A. Reinhardt, Richard A. Vaia 2004-05-04
6555682 Two-photon responsive chromophores containing electron accepting cores Loon-Seng Tan, Richard A. Vaia 2003-04-29
6300502 Multi-armed chromophores with very large two-photon absorption cross-sections Bruce A. Reinhardt, Loon-Seng Tan 2001-10-09
6100405 Benzothiazole-containing two-photon chromophores exhibiting strong frequency upconversion Bruce A. Reinhardt, by Erin D. Reinhardt, administrator, by Jason A. Reinhardt, administrator 2000-08-08
5859251 Symmetrical dyes with large two-photon absorption cross-sections Bruce A. Reinhardt, Lawrence L. Brott, Stephen J. Clarson 1999-01-12
5126233 Oil soluble color precursor involving certain crystalline 6-phenyl pyridine derivatives Steven L. Yeager 1992-06-30
4874894 Process for the production of benzenesulfonamides 1989-10-17
4431840 Process for preparing 2-benzoylbenzoic acids Gordon J. Sterken, James E. Kassner 1984-02-14