Patent assignee · SS · COMPANY

TOA EIYO LTD

31Patents
14Active
31Granted
42Portfolio score

Filing activity: Jan 8, 1982 → Jul 21, 2017 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5683710A Percutaneous absorption preparation Human Necessities 108 Expired
US5270304A Therapeutic 2-alkynyl adenosine agent for ischemic diseases of the heart or brain Chemistry; Metallurgy 35 Expired
US5459254A Process for preparing synthetic intermediates of 2-alkynyladenosines and 2-alkynyladenosines Emerging Cross-Sectional Technologies 32 Expired
US6387889B1 Medicinal compositions for treating eye diseases Chemistry; Metallurgy 20 Expired
US4837342A Prostacyclin analogue, and blood circulation improving agent and anti-ulcer composition containing it as active ingredient Chemistry; Metallurgy 14 Expired
US4420470A Percutaneous absorption type pharmaceutical preparation of isosorbide dinitrate or pentaerythritol tetranitrate in pressure-sensitive laminate Human Necessities 14 Expired
US5149702A Cycloheptenopyridine derivatives, process for preparation thereof and antiulcer agents containing the same Emerging Cross-Sectional Technologies 13 Expired
US6936596B2 Adenosine derivatives and use thereof Chemistry; Metallurgy 13 Expired
US5728835A Substituted cyclic amine compound, production process thereof and pharmaceutical composition for circulatory organ use containing the same Chemistry; Metallurgy 9 Expired
US7071220B2 N-substituted benzothiophenesulfonamide derivatives Chemistry; Metallurgy 8 Expired
US5204109A Percutaneous gel preparation Human Necessities 7 Expired
US7399781B2 N-substituted benzothiophenesulfonamide derivatives Chemistry; Metallurgy 4 Active
US4874760A 4,7-dihydroisothiazolo(5,4-b)pyridine derivatives and cardiovascular treating agents containing said derivatives Chemistry; Metallurgy 3 Expired
US5283327A Tri-O-acetyl-2-alkynyladenosines Emerging Cross-Sectional Technologies 2 Expired
US6258829A Cycloalka[b]pyridine-3-carbonylguanidine derivatives, process for producing the same, and drugs containing the same Chemistry; Metallurgy 2 Expired
US8771724B2 Percutaneous absorption enhancer and transdermal preparation using the same Human Necessities 2 Active
US8808731B2 Adhesive pharmaceutical preparation containing bisoprolol Human Necessities 1 Active
US8298572B2 Adhesive pharmaceutical preparation containing bisoprolol Human Necessities 1 Active
US9096531B2 Fused imidazole derivative Chemistry; Metallurgy 1 Active
US7875625B2 Cyclohepta[b]pyridine-3-carbonylguanidine derivative and pharmaceutical product containing same Human Necessities 1 Active
US9714213B2 4-aminomethylbenzoic acid derivative Chemistry; Metallurgy 0 Active
US8546452B2 S1P3 receptor antagonist Chemistry; Metallurgy 0 Active
US7323489B2 Proline ester and preparation containing the same for percutaneous administration Human Necessities 0 Expired
US9856250B2 Substituted tropane derivatives Chemistry; Metallurgy 0 Active
US9290440B2 Bicyclic compound Chemistry; Metallurgy 0 Active

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