3 trademarks were found for owners matching the name Ko Ken Tool Co Ltd.
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1 TM: 290490
Desc: KO-KEN

Owner: Ko-Ken Tool Co. Ltd.
Class: 7
Status: Registered: Registered/protected
2 TM: 290491
Desc: KO-KEN

Owner: Ko-Ken Tool Co. Ltd.
Class: 9
Status: Registered: Registered/protected
3 TM: 289840
Desc: KOKEN

Owner: Ko-Ken Tool Co. Ltd.
Class: 8
Status: Registered: Registered/protected