Assignee
NIPPON KOKAN KOJI KK
JP·3 granted patents·66 citations·filing 1983–1998
Top patents by PatentIndex Score
3 records- 0168US5451284ASelf-mobile work vehicle moveable through pipeline and method and apparatus for lining interconnecting branch pipe using the vehicleNIPPON KOKAN KOJI KK·Filed 1993·Granted Sep 19, 1995·43 cites·4 claims
- 0257US4511784AMethod for welding by magnetically driven arcNIPPON KOKAN KOJI KK·Filed 1983·Granted Apr 16, 1985·15 cites·9 claims
- 0338US6029727AJointing apparatus of thermo plastic pipesNIPPON KOKAN KOJI KK·Filed 1998·Granted Feb 29, 2000·8 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →