38 Utility and 1 Design Patents
#968 in Yokohama
#12,729 in Japan
#60,050 in the World
rank by utility patentsForward Citations = 1,179
Company Filing History:


4. 4 out of 228

5. 2 out of 325
Sumitomo Electric Device Innovations, Inc.
where one patent can have more than one assignee
Get your Inventor Badge Today