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1. Senju Metal has been sub-licensed agreement by the following patents:
      Sn-Ag-Cu(JP3027441:Patented by SMIC, USP5527628)
Sn-Ag-Cu-Bi(USP4879096, CAP1299471)
Sn-Bi-Ag(Au)(USP5320272)
Sn-Ag-Cu-Ni(USP4758407)
Sn-Ag-Cu-Sb(JP3027441:Patented by SMIC, USP5405577,JP2752258)
Sn-Ag-Alpha-inter-metallic compound (USP5520752)
 
2. Sn/Ag/Cu Patent and worldwide Senju group,
      Sn-Ag-Cu(JP3027441:Patented by SMIC, USP5527628)
Sn-Ag-Cu-Bi(USP4879096, CAP1299471)
Sn-Bi-Ag(Au)(USP5320272)
Sn-Ag-Cu-Ni(USP4758407)
Sn-Ag-Cu-Sb(JP3027441:Patented by SMIC, USP5405577,JP2752258)
Sn-Ag-Alpha-inter-metallic compound (USP5520752)
 
Overseas Affiliates
      Europe /Senju Manufacturing (Europe) Ltd.
America /Senju Comtek Corp.
Malaysia /Senju (Malaysia) SDN. BHD.
Philippines /Senju Solder (Phils) Inc.
China /Senju Solnet Metal Co., Ltd.
Beijing Senju Electronic Materials Co., Ltd.

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