SEH
USPTO Trademark Record · Serial No. 73341456
Trademark details
It was initially claimed by Shin-Etsu Handotai Co., Ltd. on 19811214.
That brand applies to the following goods and services:Polycrystal Silicon in the Form of Rods or Chips for Semiconductor Use; Single Crystal Silicon in the Form of Rods or Wafers for Semiconductor Use; Silicon Epitaxial Wafers for Semiconductor Use; Single Crystal Group III-V Compound in the Form of Rods or Wafers for Semiconductor Use; Epitaxial Wafers of Group III-V Compound for Semiconductor Use.
You can learn more about that trademark on the USPTO website: View the USPTO record
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