23 Utility Patents
#6,002 in Tokyo
#29,788 in Japan
#138,051 in the World
Forward Citations = 29
Company Filing History:
Sumco Corporation


where one patent can have more than one assignee
Get your Inventor Badge Today
#6,002 in Tokyo
#29,788 in Japan
#138,051 in the World
Company Filing History:


Get your Inventor Badge Today