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USPTO Patent Rankings Data through Dec 31, 2025
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Herbert Plach — 90 Patents

Merck: 90 patents #25 of 9,382Top 1%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
Darmstadt, DE: #9 of 1,865 inventorsTop 1%
Overall (All Time): #17,911 of 4,157,543Top 1%
90 Patents All Time
Herbert Plach has been granted 90 US patents while listed as an inventor at Merck. The first was granted in 1991 and the most recent in September 2020. Herbert Plach ranks #17,911 of 4,157,543 US inventors in our database (top 0.43%). Patent records list Herbert Plach in Darmstadt, DE.

Issued Patents All Time

Showing 1–25 of 90 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10774263 Liquid-crystalline medium and liquid-crystal display comprising the same Atsutaka Manabe, Constanze Brocke 2020-09-15 $255,005,000
9567522 Liquid crystal system and liquid crystal display Cecile Schott, John Patrick, Kevin Adlem, Louise Diane Farrand, Georg Bernatz +2 more 2017-02-14 $97,202,000
9550942 Liquid crystal medium and electrooptical display containing same Melanie Klasen-Memmer, Izumi Saito, Kazuaki Tarumi 2017-01-24 $89,126,000
8409469 Liquid crystal system and liquid crystal display Cecile Schott, John Patrick, Kevin Adlem, Louise Diane Farrand, Georg Bernatz +2 more 2013-04-02 $79,692,000
8333906 Liquid crystal system and liquid crystal display Cecile Schott, John Patrick, Kevin Adlem, Louise Diane Farrand, Georg Bernatz +2 more 2012-12-18 $76,791,000
7998541 Benzochromene derivatives for use in liquid crystal media and as therapeutic active substances Andreas Taugerbeck, Elvira Montenegro, Atsutaka Manabe 2011-08-16 $53,618,000
7794621 Liquid crystal system and liquid crystal display Cecile Schott, John Patrick, Kevin Adlem, Louise Diane Farrand, Georg Bernatz +2 more 2010-09-14 $107,291,000
7445818 Matrix liquid crystal display Georg Weber, Ludwig Pohl, Reinhard Hittich, Bernhard Scheuble, Takamasa Oyama +3 more 2008-11-04 $175,801,000
7250199 Phenylcyclohexanes and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Bernhard Rieger +1 more 2007-07-31 $93,418,000
7186447 Matrix liquid crystal display Georg Weber, Ludwig Pohl, Reinhard Hittich, Bernhard Scheuble, Takamasa Oyama +3 more 2007-03-06 $56,478,000
6955837 Phenylcyclohexanes and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Bernhard Rieger +1 more 2005-10-18 $101,649,000
6905740 Matrix liquid crystal display Georg Weber, Ludwig Pohl, Reinhard Hittich, Bernhard Scheuble, Takamasa Oyama +3 more 2005-06-14 $159,633,000
6781664 Liquid-crystal switching elements comprising a liquid-crystal layer which has extremely low optical retardation and liquid-crystal displays containing them Michael Heckmeier, Brigitte Schuler, Achim Götz 2004-08-24 $140,931,000
6689291 Liquid-crystalline medium Volker Reiffenrath, Detlet Pauluth 2004-02-10 $63,725,000
6677002 Phenylcyclohexanes and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Bernhard Rieger +1 more 2004-01-13 $70,543,000
6673268 Liquid-crystalline medium Bernhard Rieger, Atsushi Sawada, Hideo Ichinose 2004-01-06 $83,959,000
6562419 Matrix liquid crystal display Georg Weber, Ludwig Pohl, Reinhard Hittich, Bernhard Scheuble, Takamasa Oyama +3 more 2003-05-13 $118,212,000
6284154 Phenylcyclohexanes and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Bernhard Rieger +1 more 2001-09-04 $340,804,000
6210760 Supertwist liquid crystal display Georg Weber, Takamasa Oyama, Hiroki Yoshitake, Bernhard Scheuble, Reinhard Hittich +3 more 2001-04-03 $144,665,000
6166798 TN cell having improved display of grey shades Paulus Adrianus Breddels 2000-12-26 $374,629,000
6004479 Matrix liquid crystal display Georg Weber, Ludwig Pohl, Reinhard Hittich, Bernhard Scheuble, Takamasa Oyama +3 more 1999-12-21 $143,637,000
5985171 Liquid-crystalline medium Bernhard Rieger, Reinhard Hittich, Hans-Adolf Kurmeier, David Coates 1999-11-16 $111,398,000
5942648 Naphthalene derivatives David Coates, Mark John Goulding, Simon Greenfield, Volker Reiffenrath, Reinhard Hittich 1999-08-24 $477,037,000
5932138 Benzene derivatives, and liquid-crystalline medium Detlef Pauluth, Joachim Krause, Georg Weber, Volker Reiffenrath, Eike Poetsch 1999-08-03 $79,552,000
5891360 Phenylcyclohexanes and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Bernhard Rieger +1 more 1999-04-06 $187,330,000