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Duc Ngo — 27 Patents

Sony: 46 patents #551 of 25,231Top 3%

ZEZenith Electronics: 4 patents #84 of 411Top 25%

Chicago, IL: #307 of 13,327 inventorsTop 3%

Illinois: #2,391 of 84,256 inventorsTop 3%

Overall (All Time): #148,106 of 4,157,543Top 4%

27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
5121015	Voltage controlled delay element	—	1992-06-09
5105108	Delay circuit with phase locked loop control	—	1992-04-14