Shiga
Japan
2
2009-09-10
The entities that hold a legal rights for patent applications filed by inventor Sumida Wataru:
Wataru Sumida from Shiga, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Semiconductor device having trench-type gate and its manufacturing method capable of simplifying manufacturing steps
#2 | 2007-12-13Semiconductor device having trench-type gate and its manufacturing method capable of simplifying manufacturing steps
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