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TOZEN CORP
JP
4 patents
Top patents
by PatentIndex Score
US6979028B2
Dec 27, 2005
Pipe joint
TOZEN CORP
13 citations
78
US7128090B1
Oct 31, 2006
Water-hammer preventing unit for check valve
TOZEN CORP
6 citations
58
US6880861B2
Apr 19, 2005
Pipe joint
TOZEN CORP
5 citations
56
US12066132B2
Aug 20, 2024
Pipe joint
TOZEN CORP
0 citations
46