Assignee

KANTO NATURAL GAS DEV CO LTD

JP·1 granted patent·1 pending application·1 citations·filing 2014–2019

Technology mixE21B2 B29C1 B32B1 Y10T1

Top patents by PatentIndex Score

2 records

0143US9481156B2Long casing patch methodKANTO NATURAL GAS DEV CO LTD·Filed 2014·Granted Nov 1, 2016·1 cites·12 claims
0229US2022316287A1Method of supplying cement slurry and method of drilling or cementing of well using the sameKANTO NATURAL GAS DEV CO LTD·Filed 2019·Application pending·0 cites

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