Patent assignee · JP · COMPANY

API CORPORATION

54Patents
44Active
54Granted
51Portfolio score

Filing activity: Oct 24, 1988 → Sep 7, 2023 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD808895S1 Tire General 20 Active
US5368165A Bag pack dispenser system Performing Operations; Transporting 11 Expired
US6106867A Gelatinized propolis food products Human Necessities 7 Expired
US8492308B2 Thermosensitive recording medium Performing Operations; Transporting 7 Active
US4894262A Lumber end sealing machine Performing Operations; Transporting 6 Expired
US9731740B1 Cart for loading heavy equipment into a vehicle Performing Operations; Transporting 5 Active
US11643386B2 High purity 2-naphthylacetonitrile and method for producing same Chemistry; Metallurgy 4 Active
US7141359B2 Developers for thermal recording materials and thermal recording materials Chemistry; Metallurgy 4 Expired
US9029107B2 Hydrolase protein Emerging Cross-Sectional Technologies 4 Active
US7073819B2 Device for individual protection, comprising an airbag Performing Operations; Transporting 4 Expired
US8420847B2 Bis-phosphate compound and asymmetric reaction using the same Chemistry; Metallurgy 3 Active
US11897844B2 Method for producing amino acid derivatives Emerging Cross-Sectional Technologies 2 Active
US7553481B2 Underwater antifouling coating composition with excellent storage stability Chemistry; Metallurgy 2 Expired
US9061991B2 Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropane Chemistry; Metallurgy 2 Active
US7902282B2 Pressure-sensitive adhesive containing near infrared absorbing coloring matter Chemistry; Metallurgy 2 Active
US9624181B2 Method for producing biaryl compound Chemistry; Metallurgy 2 Active
US6544440B1 Coated bis(2-pyridinethiol-1-oxide) copper salt Human Necessities 2 Expired
US9969988B2 Pipecolinic acid 4-hydroxylase and method for producing 4-hydroxy amino acid using same Chemistry; Metallurgy 1 Active
US10954539B2 Method for producing hydroxy-L-pipecolic acid Chemistry; Metallurgy 1 Active
US10087473B2 Method for manufacturing cis-5-hydroxy-L-pipecolic acid Chemistry; Metallurgy 1 Active
US10676441B2 Method for producing pitavastatin calcium Chemistry; Metallurgy 1 Active
US11136560B2 Pipecolinic acid 4-hydroxylase and method for producing 4-hydroxy amino acid using same Chemistry; Metallurgy 0 Active
US9988351B2 Method for producing 5-hydroxypiperidine-2-carboxylic acid Emerging Cross-Sectional Technologies 0 Active
US11591577B2 Method for producing hydroxy-L-pipecolic acid Chemistry; Metallurgy 0 Active
US11572551B2 Hydrolase and method for producing (1S,2S)-1-alkoxycarbonyl-2-vinylcyclopropane carboxylic acid using same Chemistry; Metallurgy 0 Active

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