YC

Yan Cheng

Motorola: 1 patents #333 of 1,462Top 25%
📍 Beijing, IL: #1 of 5 inventorsTop 20%
Overall (2002): #88,990 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6480821 Methods and apparatus for reducing noise associated with an electrical speech signal Dusan Macho 2002-11-12