22 Utility Patents
#512 in Saitama 343-0827
#31,879 in Japan
#147,706 in the World
Forward Citations = 45
Company Filing History:


Drnc Holdings, Inc.
4. 2 out of 1,057
Clarion Co
5. 1 out of 150

where one patent can have more than one assignee
Get your Inventor Badge Today