Tokyo
Japan
2
2021-02-11
2
2022-05-10
These are the the leading inventors for applications assigned to INPEX DRILLING CO., LTD.:
INPEX DRILLING CO., LTD. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Fracturing method and depressurizing device used for same
#2 | 2019-12-19 ✅ Patent 11,230,890 granted on 2022-01-25Well drilling bit and well drilling method using the same
Also check out INPEX DRILLING CO., LTD.'s (Tokyo, Japan) applicant profile with 2 patent applications submitted.
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