Patent assignee · JP · UNIVERSITY

THE UNIVERSITY OF TOKYO

1,263Patents
1,175Active
1,263Granted
64Portfolio score

Filing activity: Oct 12, 1982 → Jun 13, 2024 · 244 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6793669B2 Active forceps Human Necessities 1,039 Expired
US7273488B2 High-rigidity forceps tip assembly for active forceps and active forceps equipped with the same Emerging Cross-Sectional Technologies 564 Expired
US4981801A Automatic cycling reaction apparatus and automatic analyzing apparatus using the same Physics 119 Expired
US9808519B2 Composition for inducing proliferation or accumulation of regulatory T cells Physics 96 Active
US9662381B2 Composition for inducing proliferation or accumulation of regulatory T cells Physics 84 Active
US9649345B2 Human-derived bacteria that induce proliferation or accumulation of regulatory T cells Emerging Cross-Sectional Technologies 67 Active
US9642881B2 Human-derived bacteria that induce proliferation or accumulation of regulatory T cells Emerging Cross-Sectional Technologies 66 Active
US7136722B2 Method for generating a motion of a human type link system Physics 54 Expired
US9433652B2 Composition for inducing proliferation or accumulation of regulatory T cells Physics 51 Active
US6628650B1 Variable rate TDM switching system Electricity 50 Expired
US9421230B2 Composition for inducing proliferation or accumulation of regulatory T cells Physics 49 Active
US9415079B2 Composition for inducing proliferation or accumulation of regulatory T cells Physics 48 Active
US9642882B2 Composition for inducing proliferation or accumulation of regulatory T cells Physics 46 Active
US6683872B1 Variable rate digital switching system Electricity 38 Expired
US8550989B2 Flexibility/rigidity adjustable apparatus Human Necessities 37 Active
US8431545B2 Copolymer including uncharged hydrophilic block and cationic polyamino acid block having hydrophobic group in part of side chains, and use thereof Emerging Cross-Sectional Technologies 36 Active
US8822671B2 2'-O-modified RNA Emerging Cross-Sectional Technologies 36 Active
US7035436B2 Method of generating poses and motions of a tree structure link system Physics 34 Expired
US6626828B2 Body cavity-observing apparatus Physics 32 Expired
US9328211B2 Porous cellulose body and method for producing same Emerging Cross-Sectional Technologies 28 Active
US4790903A Intermittent etching process Emerging Cross-Sectional Technologies 25 Expired
US7649980B2 X-ray source Electricity 25 Active
US4574179A Ion beam machining device Electricity 25 Expired
US6350389B1 Method for producing porous diamond Chemistry; Metallurgy 24 Expired
US8396546B2 Machine control device, machine system, machine control method, and recording medium storing machine control program Physics 24 Active

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