Assignee
HERTZ INST HEINRICH
US·19 granted patents·995 citations·filing 1979–2001
Top patents by PatentIndex Score
19 records- 0191US4290142AInteractive cable television systemHERTZ INST HEINRICH·Filed 1979·Granted Sep 15, 1981·283 cites·6 claims
- 0289US4650929ACommunication system for videoconferencingHERTZ INST HEINRICH·Filed 1985·Granted Mar 17, 1987·233 cites·15 claims
- 0388US6061481AOptoelectronic circuitHERTZ INST HEINRICH·Filed 1996·Granted May 9, 2000·102 cites·27 claims
- 0478US6008931AOptical frequency generatorHERTZ INST HEINRICH·Filed 1996·Granted Dec 28, 1999·52 cites·16 claims
- 0575US6240233B1Integrated optical beam spread transformerHERTZ INST HEINRICH·Filed 1997·Granted May 29, 2001·48 cites·9 claims
- 0671US6215805B1Q-switched semiconductor laserHERTZ INST HEINRICH·Filed 1997·Granted Apr 10, 2001·41 cites·20 claims
- 0765US6122306ASelf-pulsing multi-section laserHERTZ INST HEINRICH·Filed 1996·Granted Sep 19, 2000·36 cites·15 claims
- 0855US6215918B1Thermo-optical switchHERTZ INST HEINRICH·Filed 1996·Granted Apr 10, 2001·26 cites·20 claims
- 0954US6553281B1Device for determining a fixation pointHERTZ INST HEINRICH·Filed 1998·Granted Apr 22, 2003·43 cites·6 claims
- 1054US5185645AMeasurement method for the determination of low levels of optical absorptionHERTZ INST HEINRICH·Filed 1991·Granted Feb 9, 1993·23 cites·40 claims
- 1153US5940207AWavelength converterHERTZ INST HEINRICH·Filed 1996·Granted Aug 17, 1999·29 cites·9 claims
- 1251US4530084ACommunications network with optical channelsHERTZ INST HEINRICH·Filed 1982·Granted Jul 16, 1985·23 cites·9 claims
- 1343US4351049ACircuit arrangement for user stations in a communications networkHERTZ INST HEINRICH·Filed 1979·Granted Sep 21, 1982·11 cites·3 claims
- 1442US4612174AMethod of removing noxious substances from gasesHERTZ INST HEINRICH·Filed 1984·Granted Sep 16, 1986·13 cites·4 claims
- 1541US4475173AMultibit unidirectional shifter unitHERTZ INST HEINRICH·Filed 1981·Granted Oct 2, 1984·20 cites·8 claims
- 1637US6810182B2Optical tunable grid-assisted add/drop filter in codirectional mode of operationHERTZ INST HEINRICH·Filed 2001·Granted Oct 26, 2004·3 cites·10 claims
- 1733US6233377B1Digital optical switchHERTZ INST HEINRICH·Filed 1997·Granted May 15, 2001·7 cites·15 claims
- 1824US4954896AElectronic projector system such as a high definition television (HDTV) projection television system or the like having a fluid therein with increased resistance to damage from projection system radiationHERTZ INST HEINRICH·Filed 1990·Granted Sep 4, 1990·0 cites·21 claims
- 1920US6347166B1Device for superposing optical signals with different wavelengthsHERTZ INST HEINRICH·Filed 1998·Granted Feb 12, 2002·2 cites·9 claims
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