Patent assignee · JP · COMPANY

UBE INDUSTRIES, LTD.

1,459Patents
421Active
1,459Granted
52Portfolio score

Filing activity: Jan 16, 1973 → Jun 25, 2020 · 193 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4957508A Medical tubes Human Necessities 188 Expired
US4872867A Compositions having antithrombogenic properties and blood contact medical devices using the same Chemistry; Metallurgy 138 Expired
US6842088B2 Thin film acoustic resonator and method of producing the same Emerging Cross-Sectional Technologies 130 Expired
US5102948A Polyamide composite material and method for preparing the same Chemistry; Metallurgy 129 Expired
US4906496A Double-walled tube assembly Emerging Cross-Sectional Technologies 108 Expired
US5248720A Process for preparing a polyamide composite material Chemistry; Metallurgy 101 Expired
US5902763A Fused ceramic composite Chemistry; Metallurgy 97 Expired
US5250932A Liquid crystal display device Electricity 91 Expired
US5164440A High rigidity and impact resistance resin composition Chemistry; Metallurgy 90 Expired
US4908283A Preparation of ion conductive solid electrolyte Electricity 88 Expired
US5039863A Automatic radioisotope filling apparatus Physics 84 Expired
US4696994A Transparent aromatic polyimide Chemistry; Metallurgy 83 Expired
US4435550A Method for polymerizing .alpha.-olefin Emerging Cross-Sectional Technologies 81 Expired
US5468810A Process for producing a propylene block copolymer Emerging Cross-Sectional Technologies 78 Expired
US4853546A Automatic radioisotope filling apparatus Physics 78 Expired
US5981415A Ceramic composite material and porous ceramic material Chemistry; Metallurgy 77 Expired
US5128785A Liquid crystal display device substantially free from cross-talk having varistor layers coupled to signal lines and picture electrodes Physics 74 Expired
US5206284A Thermoplastic resin composition Chemistry; Metallurgy 74 Expired
US4718921A Method for removing water vapor from water vapor-containing gas Performing Operations; Transporting 74 Expired
US5091462A Thermoplastic resin composition Chemistry; Metallurgy 73 Expired
US4595745A Organic solvent-soluble photosensitive polyamide resin Physics 72 Expired
US4769318A Additive solution for blood preservation and activation Human Necessities 72 Expired
US5070326A Liquid crystal display device Electricity 70 Expired
US5066105A Liquid crystal display device having varistor layers substantially free from cross-talk Physics 68 Expired
US4378324A Process for preparing aromatic polyimide semipermeable membranes Emerging Cross-Sectional Technologies 67 Expired

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