David L. Johannsen

VS Viewlogic Systems: 2 patents #1 of 7Top 15%

SY Synopsys: 1 patents #1,143 of 2,302Top 50%

Overall (All Time): #1,633,929 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
5974437	Fast array multiplier	—	1999-10-26
5910898	Circuit design methods and tools	—	1999-06-08
5841674	Circuit design methods and tools	—	1998-11-24