JR

Jian Ruan

UN Unknown: 1 patents #267 of 2,778Top 10%
📍 Hangzhou City, MN: #1 of 1 inventorsTop 100%
Overall (2002): #191,263 of 266,432Top 75%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6392327 Sonic transducer and feedback control method thereof Douglas L. Lewis, Scott Ecelberger, Eilaz Babaev, Robert J. Wojciechowski, Ashok Kumar +1 more 2002-05-21