24 Utility Patents
#7 in Ageo
#27,886 in Japan
#129,259 in the World
Forward Citations = 67
Company Filing History:

Sumco Corporation
Sumitomo Mitsubishi Silicon Corporation
4. 1 out of 51
Mitsubishi Materials Silicon Corporation
5. 1 out of 1
Nippon Silicon Kabushiki Kaisha
where one patent can have more than one assignee
Get your Inventor Badge Today