Inventor · disambiguated record
John A. Krawczak
Also filed as: KRAWCZAK JOHN A · KRAWCZAK JOHN ANTHONY
11 granted patents·1 pending application·290 citations·filing 1975–2007
91Inventor score
Top patents by PatentIndex Score
12 records- 0190US4398798AImage rotating diffraction gratingSPERRY CORP·Filed 1980·Granted Aug 16, 1983·110 cites·2 claims
- 0282US5391950ACircuit to eliminate signal chatter in the output of a fiber-optic receiverUNISYS CORP·Filed 1993·Granted Feb 21, 1995·41 cites·2 claims
- 0381US4838637AIntegrated solid state non-volatile fiber optic switchboardUNISYS CORP·Filed 1987·Granted Jun 13, 1989·45 cites·21 claims
- 0480US7715081B1Radio frequency photonic link with differential drive to an optical resonator electro-optic modulatorLOCKHEED CORP·Filed 2007·Granted May 11, 2010·6 cites·19 claims
- 0571US7184622B2Integrated volume holographic optical circuit apparatusLOCKHEED CORP·Filed 2005·Granted Feb 27, 2007·6 cites·14 claims
- 0667US5557693AApparatus and method for transmitting optical dataUNISYS CORP·Filed 1994·Granted Sep 17, 1996·39 cites·14 claims
- 0764US4328468AMultipass laser optics for light deflectorSPERRY CORP·Filed 1980·Granted May 4, 1982·14 cites·17 claims
- 0862US7499603B1Range extended electrooptic modulatorLOCKHEED CORP·Filed 2006·Granted Mar 3, 2009·3 cites·29 claims
- 0943US4034359AMagneto-resistive readout of a cross-tie wall memory system using a pillar and concentric ring probeSPERRY RAND CORP·Filed 1975·Granted Jul 5, 1977·4 cites·4 claims
- 1042US2005225826A1Electroabsorption modulator biasingLOCKHEED CORP·Filed 2004·Application pending·0 cites
- 1141US5796744AMulti-node interconnect topology with nodes containing SCI link controllers and gigabit transceiversLOCKHEED CORP·Filed 1997·Granted Aug 18, 1998·17 cites·1 claims
- 1235US5425040ASwitching regulator control for a laser diodeUNISYS CORP·Filed 1994·Granted Jun 13, 1995·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →