Inventor · Ichikawa, JP

Teruo Okano

71Patents
16h-index
136Co-inventors
87Inventor score

Filing activity: Sep 24, 1979 → Dec 29, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4931287A Heterogeneous interpenetrating polymer networks for the controlled release of drugs Human Necessities 230 Expired
US5925720A Heterotelechelic block copolymers and process for producing the same Emerging Cross-Sectional Technologies 210 Expired
US5449513A Physical trapping type polymeric micelle drug preparation Emerging Cross-Sectional Technologies 125 Expired
US5510103A Physical trapping type polymeric micelle drug preparation Emerging Cross-Sectional Technologies 81 Expired
US5284766A Bed material for cell culture Chemistry; Metallurgy 72 Expired
US5412072A Water soluble high molecular weight polymerized drug preparation Human Necessities 66 Expired
US6956077B1 Temperature-responsive polymer compound and process for producing the same Physics 43 Expired
US5693751A Water soluble high molecular weight polymerized drug preparation Human Necessities 40 Expired
US5478575A Polymers having benzeneboronic acid groups and insulin complexes of same of a sugar response type Human Necessities 38 Expired
US5929177A Block polymer having functional groups at both ends Chemistry; Metallurgy 30 Expired
US7470424B2 Cultured cell construct containing spheroids of cultured animal cells and utilization thereof Chemistry; Metallurgy 27 Expired
US7691369B2 Cultured cell construct which contains spheroids of cultured animal cells and the use thereof Chemistry; Metallurgy 24 Active
US6641735B1 Separatory material with the use of stimulus-responsive polymer and separation method by using the separatory material Performing Operations; Transporting 24 Expired
US5223262A Transdermal delivery system utilizing one way membranes Emerging Cross-Sectional Technologies 18 Expired
US5483008A Polyether having heterofunctional groups at both ends, process for the preparation thereof and polymerization initiator therefor Chemistry; Metallurgy 18 Expired
US6706187B1 Packing material for chromatography having novel characteristic and method for isolation of substance using the same Physics 18 Expired
US6372141B1 Method for separating PTH amino acids Physics 16 Expired
US9279099B2 Processing system for cell cultures and module connecting method of processing system for cell cultures Emerging Cross-Sectional Technologies 16 Active
US6805793B2 Separatory material with the use of stimulus-responsive polymer and separation method by using the separatory material Physics 15 Expired
US7632656B2 High performance liquid chromatography with an aqueous mobile phase for analysis of drug and its metabolite Physics 14 Expired
US6495645B1 Acrylamide derivatives and polymers containing said derivatives Chemistry; Metallurgy 13 Expired
US4242474A Production of a block copolymer containing hydrophilic and hydrophobic blocks Emerging Cross-Sectional Technologies 12 Expired
US5973069A Polyethylene oxides having saccharide residue at one end and different functional group at another end Emerging Cross-Sectional Technologies 11 Expired
US6761301B2 Soldering machine Performing Operations; Transporting 10 Expired
US4873292A Antithrombogenic synthetic polymer and process for its preparation Human Necessities 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.