Eric I-Chao Chang

Microsoft: 1 patents #415 of 1,547Top 30%

📍 Beijing, WA: #5 of 15 inventorsTop 35%

Overall (2005): #206,031 of 245,428Top 85%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6917912	Method and apparatus for tracking pitch in audio analysis	Jian Zhou	2005-07-12