Assignee
HITACHI KIZAI INC
JP·3 granted patents·23 citations·filing 1999–2004
Top patents by PatentIndex Score
3 records- 0159US6608558B2Damper device for building, and monitor and control system for damper deviceHITACHI KIZAI INC·Filed 2001·Granted Aug 19, 2003·13 cites·8 claims
- 0240US7188820B2Vibration damping floor structureHITACHI KIZAI INC·Filed 2004·Granted Mar 13, 2007·0 cites·9 claims
- 0321US6330770B1Free access floorHITACHI KIZAI INC·Filed 1999·Granted Dec 18, 2001·10 cites·12 claims
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