Assignee
T & K CO LTD
JP·3 granted patents·59 citations·filing 1981–2013
Top patents by PatentIndex Score
3 records- 0184US4377916AChain-like toy of triangular hollow prismsT & K CO LTD·Filed 1981·Granted Mar 29, 1983·38 cites·8 claims
- 0278US6730428B1Method of recycling lead-acid storage batteryT & K CO LTD·Filed 2000·Granted May 4, 2004·21 cites·15 claims
- 0348US8519672B2Desulfation device and desulfation methodT & K CO LTD·Filed 2013·Granted Aug 27, 2013·0 cites·10 claims
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