UN

Ulrich Niewohner

BH Bayer Healthcare: 51 patents #134 of 8,007Top 2%
BP Bayer Pharmaceuticals: 2 patents #71 of 188Top 40%
BA Bayer Schering Pharma Ag: 2 patents #137 of 464Top 30%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Wermelskirchen, DE: #1 of 183 inventorsTop 1%
Overall (All Time): #43,433 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 1–25 of 57 patents

Patent #TitleCo-InventorsDate
7704999 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich +5 more 2010-04-27
7696206 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich +5 more 2010-04-13
7314871 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors, for treatment of hypertension Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff +5 more 2008-01-01
7276504 Use of 2-alkoxyphenyl-substituted imidazotriazinones Helmut Haning, Afssaneh Rahbar, Tiemo-Joerg Bandel, Wolfgang Barth, Erwin Bischoff 2007-10-02
7202243 Substituted imidazotriazines David Bruckner, Arno Friedl, Irene Gerlach, Volker Hinz, Jörg Keldenich +6 more 2007-04-10
7098207 Imidazotriazinones and the use thereof Thomas Lampe, Helmut Haning, Gunter Schmidt, Karl-Heinz Schlemmer, Erwin Bischoff +3 more 2006-08-29
7091203 Imidazo[1,3,5]triazinones and their use Helmut Haning, Thomas Lampe, Mazen Es-Sayed, Gunter Schmidt, Erwin Bischoff +3 more 2006-08-15
7087605 5-Ethyl-imidazotriazinones Heike Gielen, Martin Hendrix, Dagmar Schauss, Hilmar Bischoff, Nils Burkhardt +7 more 2006-08-08
7074784 Medicaments against viral diseases Jurgen Stoltefuss, Karl-Heinz Schlemmer, Jörg Keldenich, Arnold Paessens, Erwin Graef +3 more 2006-07-11
7022709 Selective PDE 2 inhibitors as pharmaceuticals for improving perception Frank-Gerhard Boss, Martin Hendrix, Gerhard Konig, Karl-Heinz Schlemmer, Rudy Schreiber +2 more 2006-04-04
6998402 Substituted imidazotriazinones Gerhard Konig, Martin Hendrix, Frank-Gerhard Boss, Franz-Josef van der Staay, Rudy Schreiber +3 more 2006-02-14
6943163 7-Alkyl and cycloalkyl-substituted imidazotriazinones Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Gunter Schmidt, Karl-Heinz Schlemmer +3 more 2005-09-13
6936609 Imidazotriazines for use as phosphodiesterase inhibitors Marcus Bauser, Nils Burkhardt, Dietmar Flubacher, Arno Friedl, Irene Gerlach +11 more 2005-08-30
6930114 Pyrrolo (2.1a)dihydroisoquinolines and their use as phosphodiesterase 10a inhibitors Jens-Kerim Ergüden, Dietmar Flubacher, Paul Naab, Thorsten-Oliver Repp, Jurgen Stoltefuss +8 more 2005-08-16
6890922 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff +5 more 2005-05-10
6838459 7-alkyl-and cycloalkyl-substituted imidazotriazinones Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Gunter Schmidt, Karl-Heinz Schlemmer +3 more 2005-01-04
6803365 Imidazo[1,3,5]triazinones and the use thereof Helmut Haning, Thomas Lampe, Mazen Es-Sayed, Gunter Schmidt, Erwin Bischoff +3 more 2004-10-12
6777416 Isoxazolo pyrimidinones and the use thereof Helmut Haning, Thomas Lampe, Mazen Es-Sayed, Gunter Schmidt, Erwin Bischoff +3 more 2004-08-17
6696451 Dihydropyrimidines Jurgen Stoltefuss, Siegfired Goldmann, Thomas Kramer, Karl-Heinz Schlemmer, Arnold Paessens +5 more 2004-02-24
6683081 Triazolotriazinones and the use thereof Helmut Haning, Thomas Lampe, Mazen Es-Sayed, Gunter Schmidt, Erwin Bischoff +3 more 2004-01-27
6573263 Substituted imidazotriazinones Dagmar Schauss, Martin Hendrix, Gerhard Konig, Frank-Gerhard Boss, Franz-Josef van der Staay +3 more 2003-06-03
6566360 2-phenyl substituted imidatriazinones as phosphodiesterase inhibitors Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich +5 more 2003-05-20
6476029 7-alkyl- and cycloalkyl-substituted imidazotriazinones Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Gunter Schmidt, Karl-Heinz Schlemmer +3 more 2002-11-05
6462068 Heterocyclylmethyl-substituted pyrazole derivatives Alexander Straub, Chantal Fürstner, Thomas Jaetsch, Achim Feurer, Raimund Kast +5 more 2002-10-08
6458796 Dihydro-[1,2,3]triazolo-[4,5-d]pyrimidin-7-one Helmut Haning, Ulrich Rosentreter, Thomas Schenke, Erwin Bischoff, Karl-Heinz Schlemmer 2002-10-01