7 Utility Patents
#90 in Seto
#121,666 in Japan
#597,474 in the World
Forward Citations = 3
Company Filing History:

Sumco Corporation

where one patent can have more than one assignee
Get your Inventor Badge Today
#90 in Seto
#121,666 in Japan
#597,474 in the World
Company Filing History:


Get your Inventor Badge Today