Patent assignee · JP · UNIVERSITY

YAMAGUCHI UNIVERSITY

79Patents
76Active
79Granted
56Portfolio score

Filing activity: Jun 1, 1982 → Jul 10, 2023 · 22 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9433421B2 Surgical tool for anastomosis Human Necessities 14 Active
US9492431B2 Therapeutic agent for keratoconjunctive disorders Human Necessities 12 Active
US9750721B2 Therapeutic agent for keratoconjunctive disorders Human Necessities 11 Active
US8399136B2 Electrolyte solution for lithium ion secondary battery, lithium ion secondary battery, fluoroalkane derivative and gelling agent Emerging Cross-Sectional Technologies 6 Active
US9266069B2 Ion-exchange membrane and method for producing same Emerging Cross-Sectional Technologies 6 Active
US8384111B2 Method for forming sapphire substrate and semiconductor device Electricity 6 Active
US8292817B2 Ultrasonograph Human Necessities 4 Active
US8125717B2 Three-dimensional left-handed metamaterial Emerging Cross-Sectional Technologies 4 Active
US8026854B2 Stripline-type composite right/left-handed transmission line or left-handed transmission line, and antenna that uses same Electricity 4 Active
US10537556B2 Therapeutic agent for keratoconjunctive disorders Human Necessities 3 Active
US10016395B2 Therapeutic agent for keratoconjunctive disorders Human Necessities 3 Active
US9293647B2 Nitride semiconductor light-emitting device and method of manufacturing the same Electricity 3 Active
US4444599A Method for preventing hydrogen embrittlement of metals and alloys Chemistry; Metallurgy 3 Expired
US8198953B2 Two-dimensional left-handed metamaterial Electricity 3 Active
US10316102B2 Car expression vector and car-expressing T cells Chemistry; Metallurgy 2 Active
US8198089B2 Flocculent yeast and method for production thereof Emerging Cross-Sectional Technologies 2 Active
US7799894B2 Electrode for energy storage device and process for producing the same Emerging Cross-Sectional Technologies 2 Active
US11471440B2 Therapeutic agent for keratoconjunctive disorders Human Necessities 1 Active
US8101668B2 Graft polymer Chemistry; Metallurgy 1 Active
US9274021B2 Leakage inspection apparatus and leakage inspection method Physics 1 Active
US8140456B2 Method and system of extracting factors using generalized Fisher ratios Physics 1 Active
US11337997B2 Immunocompetent cell and expression vector expressing regulatory factors of immune function Chemistry; Metallurgy 1 Active
US8352208B2 Method for evaluating tree production capacity, image capture device for evaluating tree production capacity, and program for evaluating tree production capacity Electricity 1 Active
US10023836B2 Medium for yeasts Chemistry; Metallurgy 1 Active
US8529929B2 Drug delivery system Human Necessities 1 Active

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