HP

Helmut Preisach

AL Alcatel: 6 patents #112 of 2,861Top 4%
Alcatel Lucent: 2 patents #1,243 of 4,169Top 30%
AN Alcatel N.V.: 1 patents #259 of 816Top 35%
CI Cisco: 1 patents #7,901 of 13,007Top 65%
Overall (All Time): #489,066 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11949498 Optical modulator Thomas Duthel 2024-04-02
8305111 Electrical space switching matrix 2012-11-06
7835464 Digital signal receiver with Q-monitor 2010-11-16
7650079 Integrated optical transceiver circuit 2010-01-19
7502400 Drive circuit and method of operating a semiconductor laser 2009-03-10
7440512 Electrical signal regenerator 2008-10-21
7084694 Switching circuit for switching constant current source using MOS transistor 2006-08-01
7068199 Digital to analog converter, phase control circuit, transmission unit recognition circuit 2006-06-27
5680060 Method of and circuit arrangement for terminating a line connected to a CMOS integrated circuit Thomas-Rolf Banniza 1997-10-21
5251238 Circuit arrangement and method for the regeneration and synchronization of a digital signal Klaus-Dieter Menk 1993-10-05