JK

John A. Krawczak

UN Unisys: 4 patents #341 of 2,015Top 20%
LM Lockheed Martin: 4 patents #782 of 6,507Top 15%
SP Sperry: 2 patents #196 of 841Top 25%
📍 Hopkins, MN: #32 of 249 inventorsTop 15%
🗺 Minnesota: #7,542 of 52,454 inventorsTop 15%
Overall (All Time): #520,025 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7715081 Radio frequency photonic link with differential drive to an optical resonator electro-optic modulator 2010-05-11
7499603 Range extended electrooptic modulator Raymond J. Johnson 2009-03-03
7184622 Integrated volume holographic optical circuit apparatus Brian L. Uhlhorn, Rick C. Stevens, Gregory J. Whaley 2007-02-27
5796744 Multi-node interconnect topology with nodes containing SCI link controllers and gigabit transceivers Steven Allen Murphy 1998-08-18
5557693 Apparatus and method for transmitting optical data Rick C. Stevens, Gerald F. Sauter 1996-09-17
5425040 Switching regulator control for a laser diode 1995-06-13
5391950 Circuit to eliminate signal chatter in the output of a fiber-optic receiver 1995-02-21
4838637 Integrated solid state non-volatile fiber optic switchboard Ernest J. Torok, Bernard S. Fritz, William A. Harvey 1989-06-13
4398798 Image rotating diffraction grating Ernest J. Torok 1983-08-16
4328468 Multipass laser optics for light deflector Ernest J. Torok 1982-05-04