Inventor · disambiguated record
Herbert Plach
Also filed as: PLACH HERBERT
90 granted patents·4 pending applications·1,195 citations·filing 1989–2018
99Inventor score
Files withMERCK PATENT GMBH82MERCK KGAA2SCHOTT CECILE2KLASEN-MEMMER MELANIE1MERCK PATENT GENSELLSCHAFT MIT1
Top patents by PatentIndex Score
94 records- 0193US5122295AMatrix liquid crystal displayMERCK PATENT GMBH·Filed 1989·Granted Jun 16, 1992·69 cites·8 claims
- 0292US10774263B2Liquid-crystalline medium and liquid-crystal display comprising the sameMERCK PATENT GMBH·Filed 2018·Granted Sep 15, 2020·5 cites·20 claims
- 0392US7794621B2Liquid crystal system and liquid crystal displayMERCK PATENT GMBH·Filed 2005·Granted Sep 14, 2010·20 cites·9 claims
- 0489US5536442AFluorinated liquid crystal compounds and liquid crystal medium containing sameMERCK PATENT GMBH·Filed 1992·Granted Jul 16, 1996·29 cites·16 claims
- 0589US5458805APhenylcyclohexanes and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 1993·Granted Oct 17, 1995·17 cites·5 claims
- 0683US5718840ABenzene derivatives, and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1996·Granted Feb 17, 1998·22 cites·16 claims
- 0783US5389295ABenzene derivatives, and a liquid crystal mediumMERCK PATENT GMBH·Filed 1992·Granted Feb 14, 1995·19 cites·11 claims
- 0882US6677002B2Phenylcyclohexanes and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 2001·Granted Jan 13, 2004·6 cites·40 claims
- 0982US5578241ALiquid crystal displayMERCK PATENT GMBH·Filed 1993·Granted Nov 26, 1996·42 cites·26 claims
- 1082US5045229ADifluoromethylene compoundsMERCK PATENT GMBH·Filed 1990·Granted Sep 3, 1991·41 cites·16 claims
- 1181US8409469B2Liquid crystal system and liquid crystal displaySCHOTT CECILE·Filed 2011·Granted Apr 2, 2013·4 cites·14 claims
- 1281US8333906B2Liquid crystal system and liquid crystal displaySCHOTT CECILE·Filed 2010·Granted Dec 18, 2012·4 cites·14 claims
- 1381US5932138ABenzene derivatives, and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1997·Granted Aug 3, 1999·19 cites·16 claims
- 1481US5368772ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1991·Granted Nov 29, 1994·33 cites·8 claims
- 1580US5487845AFluorobenzene derivatives and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1990·Granted Jan 30, 1996·33 cites·36 claims
- 1678US5403512AVinyl compounds, and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 1992·Granted Apr 4, 1995·35 cites·13 claims
- 1778US5171469ALiquid-crystal matrix displayMERCK PATENT GMBH·Filed 1991·Granted Dec 15, 1992·38 cites·22 claims
- 1876US5626793ALiquid-crystalline compoundsMERCK PATENT GMBH·Filed 1995·Granted May 6, 1997·33 cites·9 claims
- 1975US5286411ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1991·Granted Feb 15, 1994·29 cites·7 claims
- 2074US6955837B2Phenylcyclohexanes and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 2001·Granted Oct 18, 2005·3 cites·51 claims
- 2174US5178790ASupertwist liquid crystal displayMERCK PATENT GMBH·Filed 1989·Granted Jan 12, 1993·25 cites·17 claims
- 2273US6781664B1Liquid-crystal switching elements comprising a liquid-crystal layer which has extremely low optical retardation and liquid-crystal displays containing themMERCK PATENT GMBH·Filed 2000·Granted Aug 24, 2004·14 cites·23 claims
- 2373US5560863A2-Fluorocyclohexene derivativesMERCK PATENT GMBH·Filed 1994·Granted Oct 1, 1996·12 cites·12 claims
- 2472US6284154B1Phenylcyclohexanes and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 1995·Granted Sep 4, 2001·7 cites·13 claims
- 2572US5389289ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted Feb 14, 1995·25 cites·20 claims
- 2671US7186447B2Matrix liquid crystal displayMERCK PATENT GMBH·Filed 2005·Granted Mar 6, 2007·2 cites·15 claims
- 2770US5397505ALiquid crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted Mar 14, 1995·24 cites·16 claims
- 2869US6905740B2Matrix liquid crystal displayMERCK PATENT GMBH·Filed 2003·Granted Jun 14, 2005·7 cites·11 claims
- 2969US5378395AMatrix liquid crystal displayMERCK PATENT GMBH·Filed 1992·Granted Jan 3, 1995·20 cites·15 claims
- 3069US5308541AHalogenated benzene derivatives, and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 1990·Granted May 3, 1994·18 cites·4 claims
- 3168US5891360APhenylcyclohexanes and a liquid-crystalline mediumMERCK PATENT GMBH·Filed 1993·Granted Apr 6, 1999·11 cites·3 claims
- 3268US5641429AFluorobenzene derivatives and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1995·Granted Jun 24, 1997·23 cites·21 claims
- 3368US5562858AHexafluoropropyl ethers, and liquid-crystalline mediumMERCK PATENT GES MIT BESHRANKT·Filed 1995·Granted Oct 8, 1996·27 cites·11 claims
- 3468US5292454ATrifluorotoluene compounds, and a liquid crystalline mediumMERCK PATENT GMBH·Filed 1992·Granted Mar 8, 1994·9 cites·6 claims
- 3567US6004479AMatrix liquid crystal displayMERCK KGAA·Filed 1995·Granted Dec 21, 1999·17 cites·12 claims
- 3666US5494606A1,3-dioxane derivatives, and liquid-crystalline mediumMERCK PATENT GMBH·Filed 1993·Granted Feb 27, 1996·19 cites·12 claims
- 3766US5271865ALiquid-crystalline mixture of low viscosityMERCK PATENT GMBH·Filed 1991·Granted Dec 21, 1993·20 cites·6 claims
- 3866US5122297ATetracyclic benzene derivatives and liquid-crystalline mediaMERCK PATENT GMBH·Filed 1991·Granted Jun 16, 1992·8 cites·7 claims
- 3965US5520846ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted May 28, 1996·18 cites·16 claims
- 4065US5458806AFluoromethyl ketones and liquid-crystalline mediaMERCK PATENT GMBH·Filed 1994·Granted Oct 17, 1995·8 cites·11 claims
- 4165US5389292ADifluoromethyl compoundsMERCK PATENT GMBH·Filed 1992·Granted Feb 14, 1995·8 cites·16 claims
- 4264US6689291B1Liquid-crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted Feb 10, 2004·10 cites·13 claims
- 4364US5262085ATrifluoromethylene compoundsMERCK PATENT GMBH·Filed 1991·Granted Nov 16, 1993·19 cites·9 claims
- 4463US9550942B2Liquid crystal medium and electrooptical display containing sameKLASEN-MEMMER MELANIE·Filed 2005·Granted Jan 24, 2017·1 cites·93 claims
- 4563US5837162ALiquid-crystalline compoundsMERCK PATENT GMBH·Filed 1997·Granted Nov 17, 1998·7 cites·12 claims
- 4663US5480581ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1994·Granted Jan 2, 1996·17 cites·23 claims
- 4762US5350535ALiquid-crystalline mediumMERCK PATENT GMBH·Filed 1991·Granted Sep 27, 1994·16 cites·15 claims
- 4862US5209868ATrifluoromethylcyclohexane derivativesMERCK PATENT GMBH·Filed 1990·Granted May 11, 1993·18 cites·10 claims
- 4962US2008173844A1Phenylcyclohexanes and a liquid-crystalline mediumWACHTLER ANDREAS·Filed 2007·Application pending·0 cites
- 5061US5679282AChiral 2,6-difluorobenzene derivativesMERCK PATENT GMBH·Filed 1995·Granted Oct 21, 1997·7 cites·46 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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