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 51–75 of 90 patents

Patent #TitleCo-InventorsDate
5487845 Fluorobenzene derivatives and liquid-crystalline medium Volker Reiffenrath, Hans-Adolf Kurmeier, Eike Poetsch, Ulrich Finkenzeller, Ekkehard Bartmann +2 more 1996-01-30
5480581 Liquid-crystalline medium Ulrich Finkenzeller, Volker Reiffenrath, Eike Poetsch, Bernhard Rieger, Hiroshi Numata 1996-01-02
5458806 Fluoromethyl ketones and liquid-crystalline media Ekkehard Bartmann 1995-10-17
5458805 Phenylcyclohexanes and a liquid-crystalline medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Bernhard Rieger +1 more 1995-10-17
5431850 Nematic liquid-crystal composition for active matrix application Masako Nakamura, Kei Sasaki, Shuichi Kohzaki, Fumiaki Funada, Hiroshi Numata +2 more 1995-07-11
5422035 Benzene derivatives, and liquid-crystalline medium Ekkehard Bartmann, Andreas Ruhl 1995-06-06
5409637 Nematic liquid-crystal composition Bernhard Rieger, Hiroki Yoshitake, Atsushi Sawada, Georg Weber 1995-04-25
5403512 Vinyl compounds, and a liquid-crystalline medium Ekkehard Bartmann, Rudolf Eidenschink, Volker Reiffenrath, Detlef Pauluth, Eike Poetsch +4 more 1995-04-04
5397505 Liquid crystalline medium Bernhard Rieger, Hiroki Yoshitake, Thomas Jacob, Ulrich Finkenzeller, Hans-Adolf Kurmeier 1995-03-14
5391319 Liquid-crystalline mixture Michael Junge, Alasdair Jelfs, Michael Kompter 1995-02-21
5389295 Benzene derivatives, and a liquid crystal medium Andreas Wachtler, Reinhard Hittich, Eike Poetsch, David Coates, Ulrich Finkenzeller +3 more 1995-02-14
5389289 Liquid-crystalline medium Bernhard Rieger, Hans-Adolf Kurmeier, Eike Poetsch, Ekkehard Bartmann 1995-02-14
5389292 Difluoromethyl compounds Dieter Dorsch, Ekkehard Bartmann, Hans-Adolf Kurmeier, Ulrich Finkenzeller, Georg Weber +1 more 1995-02-14
5387369 Supertwist liquid crystal display Georg Weber, Takamasa Oyama, Hiroki Yoshitake, Bernhard Scheuble, Reinhard Hittich +3 more 1995-02-07
5378395 Matrix liquid crystal display Georg Weber, Ludwig Pohl, Reinhard Hittich, Bernhard Scheuble, Takamasa Oyama +3 more 1995-01-03
5374374 Supertwist liquid-crystal display Georg Weber, Volker Reiffenrath, Hiroki Yoshitake, Hiroshi Numata 1994-12-20
5368772 Liquid-crystalline medium Bernhard Rieger, Reinhard Hittich, Eike Poetsch, David Coates 1994-11-29
5356560 2-fluoroperfluoroalkylcyclohexene derivatives Volker Reiffenrath 1994-10-18
5350535 Liquid-crystalline medium Bernhard Rieger, Reinhard Hittich, Volker Reiffenrath 1994-09-27
5330679 Nematic liquid-crystal composition for active matrix application Kei Sasaki, Masako Okada, Shuichi Kohzaki, Fumiaki Funada, Bernhard Rieger +5 more 1994-07-19
5308541 Halogenated benzene derivatives, and a liquid-crystalline medium Reinhard Hittich, Eike Poetsch, Volker Reiffenrath, Bernhard Rieger, Andreas Wachtler +1 more 1994-05-03
5308543 Nematic liquid-crystal composition for active matrix application Kei Sasaki, Masako Okada, Shuichi Kohzaki, Fumiaki Funada, Bernhard Rieger +5 more 1994-05-03
5292454 Trifluorotoluene compounds, and a liquid crystalline medium Hans-Adolf Kurmeier, Reinhard Hittich, Eike Poetsch, Volker Meyer, David Coates 1994-03-08
5286411 Liquid-crystalline medium Bernhard Rieger, Reinhard Hittich, Volker Reiffenrath, David Coates, Hans-Adolf Kurmeier 1994-02-15
5279763 Nematic liquid-crystal composition for active matrix application Kei Sasaki, Masako Okada, Shuichi Kohzaki, Fumiaki Funada, Hiroshi Numata +2 more 1994-01-18