Inventor · disambiguated record
Erich Burger
Also filed as: BUERGER ERICH · BURGER ERICH
14 granted patents·148 citations·filing 1974–1998
92Inventor score
Top patents by PatentIndex Score
14 records- 0181US5596000AAmino acid derivatives, processes for the manufacture thereof and pharmaceutical compositions containing these compoundsBOEHRINGER INGELHEIM KG·Filed 1993·Granted Jan 21, 1997·41 cites·16 claims
- 0279US4415255AOptical copying arrangementAGFA GEVAERT AG·Filed 1982·Granted Nov 15, 1983·15 cites·16 claims
- 0368US5712397AAmino acid derivatives, processes for preparing them and pharmaceutical compositions containing these compoundsBOEHRINGER SOHN INGELHEIM·Filed 1995·Granted Jan 27, 1998·27 cites·2 claims
- 0461US5700827AAmino acid derivatives, processes for the manufacture thereof and pharmaceutical compositions (II) containing these compoundsBOEHRINGER SOHN INGELHEIM·Filed 1995·Granted Dec 23, 1997·15 cites·13 claims
- 0554US5849918AAmino acid derivatives, processes for the manufacture thereof and pharmaceutical compositions containing these compoundsBOEHRINGER INGELHEIM KG·Filed 1995·Granted Dec 15, 1998·6 cites·6 claims
- 0654US5712273AAmino acid derivatives, processes for the manufacture thereof and pharmaceutical compositions (II) containing these compoundsBOEHRINGER SOHN INGELHEIM·Filed 1995·Granted Jan 27, 1998·10 cites·17 claims
- 0752US4489421ADigital message transmission system employing pulse stuffing and having two plesiochronic sampling clocksSIEMENS AG·Filed 1983·Granted Dec 18, 1984·11 cites·11 claims
- 0852US3947633ACircuit arrangement for demodulating a frequency-differential, phase-modulated signalSIEMENS AG·Filed 1974·Granted Mar 30, 1976·8 cites·5 claims
- 0947US4403849AElectrostatic copying deviceAGFA GEVAERT AG·Filed 1981·Granted Sep 13, 1983·4 cites·23 claims
- 1036US3947777ACircuit arrangement for the demodulation of a phase-modulated signalSIEMENS AG·Filed 1974·Granted Mar 30, 1976·3 cites·7 claims
- 1135US6147212AAmino acid derivatives, processes for the manufacture thereof and pharmaceutical compositions containing these compoundsBOEHRINGER INGELHEIM KG·Filed 1998·Granted Nov 14, 2000·0 cites·3 claims
- 1234US4236249ACircuit arrangement for correcting frequency errors during a transmission of dataSIEMENS AG·Filed 1978·Granted Nov 25, 1980·4 cites·8 claims
- 1332US4777634ADemultiplexer of a digital signal transmission apparatusSIEMENS AG·Filed 1987·Granted Oct 11, 1988·4 cites·10 claims
- 1426US5922878AAmino acid derivatives, processes for preparing them and pharmaceutical compositions containing these compoundsBOEHRINGER SOHN INGELHEIM·Filed 1997·Granted Jul 13, 1999·0 cites·6 claims
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