48 Utility Patents
#20 in Isehara
#8,455 in Japan
#41,488 in the World
Forward Citations = 389
Company Filing History:

Sumitomo Electric Device Innovations, Inc.

4. 6 out of 109

5. 5 out of 1,690
Shinko Electric Industries Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today