HP

Herbert Plach

Merck: 90 patents #24 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): #18,041 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 26–50 of 90 patents

Patent #TitleCo-InventorsDate
5876626 Supertwist liquid crystal display Georg Weber, Takamasa Oyama, Hiroki Yoshitake, Bernhard Scheuble, Reinhard Hittich +3 more 1999-03-02
5868962 Liquid-crystalline medium Bernhard Rieger, Reinhard Hittich, Eike Poetsch, David Coates 1999-02-09
5837162 Liquid-crystalline compounds Volker Reiffenrath, Detlef Pauluth, Reinhard Hittich, Eike Poetsch, Thomas Geelhaar +2 more 1998-11-17
5811029 Benzene derivatives, and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Ulrich Finkenzeller +3 more 1998-09-22
5772914 Chiral dopes Detlef Pauluth, Matthias Bremer, Georg Weber 1998-06-30
5753142 Nematic liquid-crystal composition for active matrix application Ekkehard Bartmann, Eike Poetsch, Syuichi Kozaki, Kazuyoshi Fujioka, Masako Nakamura +2 more 1998-05-19
5746941 Liquid-crystalline medium Bernhard Rieger, Reinhard Hittich, Hans-Adolf Kurmeier, David Coates 1998-05-05
5725796 Liquid-crystal display Ulrich Finkenzeller, Eike Poetsch, Volker Reiffenrath 1998-03-10
5718840 Benzene derivatives, and liquid-crystalline medium Detlef Pauluth, Joachim Krause, Georg Weber, Volker Reiffenrath, Eike Poetsch 1998-02-17
5696570 TN cell having improved display of grey shades Paulus Adrianus Breddels 1997-12-09
5679282 Chiral 2,6-difluorobenzene derivatives Detlef Pauluth 1997-10-21
5641429 Fluorobenzene derivatives and liquid-crystalline medium Volker Reiffenrath, Hans-Adolf Kurmeier, Eike Poetsch, Ulrich Finkenzeller, Ekkehard Bartmann +2 more 1997-06-24
5626793 Liquid-crystalline compounds Volker Reiffenrath, Detlef Pauluth, Reinhard Hittich, Eike Poetsch, Thomas Geelhaar +2 more 1997-05-06
5616284 Liquid-crystalline medium Reinhard Hittich, Bernhard Rieger, Volker Reiffenrath, David Coates 1997-04-01
5578241 Liquid crystal display Bernhard Rieger, Volker Reiffenrath, Eike Poetsch 1996-11-26
5571449 Partially fluorinated benzene derivatives Ekkehard Bartmann, Rudolf Eidenschink 1996-11-05
5565140 Halogenated benzene derivatives, and a liquid-crystalline medium Reinhard Hittich, Eike Poetsch, Volker Reiffenrath, Bernhard Rieger, Andreas Wachtler +1 more 1996-10-15
5562858 Hexafluoropropyl ethers, and liquid-crystalline medium Ekkehard Bartmann, Detlef Pauluth 1996-10-08
5560863 2-Fluorocyclohexene derivatives Volker Reiffenrath 1996-10-01
5543077 Nematic liquid-crystal composition Bernhard Rieger, Hiroki Yoshitake, Atsushi Sawada, Georg Weber 1996-08-06
5536442 Fluorinated liquid crystal compounds and liquid crystal medium containing same Volker Reiffenrath, Hans-Adolf Kurmeier, Eike Poetsch, Ulrich Finkenzeller, Ekkehard Bartmann +4 more 1996-07-16
5520846 Liquid-crystalline medium Reinhard Hittich, Eike Poetsch, Volker Reiffenrath 1996-05-28
5519525 Matrix liquid crystal display Georg Weber, Ludwig Pohl, Reinhard Hittich, Bernhard Scheuble, Takamasa Oyama +3 more 1996-05-21
5516454 Supertwist liquid crystal display Bernhard Scheuble, Takamasa Oyama, Georg Weber, Hans-Adolf Kurmeier, Volker Reiffenrath 1996-05-14
5494606 1,3-dioxane derivatives, and liquid-crystalline medium Volker Reiffenrath, Joachim Krause, Reinhard Hittich, Eike Poetsch 1996-02-27