Japan Petroleum Exploration Co Ltd - Company Profile
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View up-to-date information on Japan Petroleum Exploration Co Ltd patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| US20230349288A1 | Application | In-situ stress measurement method | E21B49/02; G01B11/105 | November 02, 2023 |
| WO2023119491A1 | Application | Recovery method for crude oil | E21B43/00; E21B43/16; C09K8/58 | June 29, 2023 |
| US20230134985A1 | Application | Method of underground storage of injection gas containing co2 gas and enhanced oil recovery | E21B41/0064; E21B43/164; E21B43/166; Y02P90/70 | May 04, 2023 |
| US20230038432A1 | Application | Enhanced oil recovery method using injection well including two passages | E21B43/164 | February 09, 2023 |
| KR102492646B1 | Grant | Auto pakaging device | January 27, 2023 |
Top Inventors by Filings (Count by publication)
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