Patent assignee · JP · COMPANY

INPEX CORPORATION

74Patents
72Active
74Granted
53Portfolio score

Filing activity: Mar 25, 2005 → Jul 31, 2023 · 31 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8057744B2 Bubble column-type Fischer-Tropsch synthesis slurry bed reaction system Chemistry; Metallurgy 5 Active
US8354456B2 Production method of liquid hydrocarbons from natural gas Emerging Cross-Sectional Technologies 4 Active
US8479572B2 Bubble column type hydrocarbon synthesis reactor, and slurry level detecting method Performing Operations; Transporting 4 Active
US8536385B2 Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol Chemistry; Metallurgy 4 Active
US8303848B2 Operation method of synthesis gas reformer in GTL plant Chemistry; Metallurgy 4 Active
US9162170B2 Synthesis reaction system for hydrocarbon compound, and method of removing powdered catalyst particles Performing Operations; Transporting 3 Active
US8685212B2 Starting-up method of fractionator Chemistry; Metallurgy 3 Active
US9434657B2 Hydrocarbon synthesis reaction apparatus, start-up process thereof, and hydrocarbon synthesis reaction system Chemistry; Metallurgy 2 Active
US9421509B2 Hydrocarbon production apparatus and hydrocarbon production process Chemistry; Metallurgy 2 Active
US8974660B2 Method for upgrading hydrocarbon compounds and a hydrocarbon compound distillation separation apparatus Chemistry; Metallurgy 2 Active
US9404047B2 Start-up method of hydrocarbon synthesis reaction apparatus Chemistry; Metallurgy 1 Active
US8993642B2 Method for producing hydrocarbon oil, fischer-tropsch synthesis reaction device, and hydrocarbon oil production system Emerging Cross-Sectional Technologies 1 Active
US8158841B2 Hydrotreating method Chemistry; Metallurgy 1 Active
US9458387B2 Activated fischer-tropsch synthesis reaction catalyst and method for producing hydrocarbons Performing Operations; Transporting 1 Active
US8906969B2 Process for producing hydrocarbon oil and system for producing hydrocarbon oil Chemistry; Metallurgy 1 Active
US8722748B2 Process for producing hydrocarbons Chemistry; Metallurgy 1 Active
US9120981B2 Hydrocarbon synthesis reaction apparatus, hydrocarbon synthesis reaction system, and liquid hydrocarbon recovery method Performing Operations; Transporting 1 Active
US8951408B2 Method for starting-up naphtha fraction hydrotreating reactor Chemistry; Metallurgy 1 Active
US9441165B2 Temperature control system, hydrocarbon synthesis reaction apparatus, hydrocarbon synthesis reaction system, and temperature control process Emerging Cross-Sectional Technologies 1 Active
US8906222B2 Management method for wax fraction storage tank Emerging Cross-Sectional Technologies 1 Active
US7393470B2 Process for producing synthesis gas for the fischer-tropsch synthesis and producing apparatus thereof Emerging Cross-Sectional Technologies 0 Expired
US9725665B2 Kerosene base material production method and kerosene base material Chemistry; Metallurgy 0 Active
US8758692B2 Synthesis reaction system Performing Operations; Transporting 0 Active
US9884998B2 Method of suppressing metal contamination of synthesis gas production apparatus Emerging Cross-Sectional Technologies 0 Active
US9688917B2 Hydrocarbon-producing apparatus and hydrocarbon-producing method Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.