Patent assignee · JP · COMPANY

KANSAI PAINT CO., LTD.

870Patents
201Active
870Granted
49Portfolio score

Filing activity: Nov 27, 1970 → Jun 7, 2023 · 77 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5547501A Method for formation of invisible marking and method for reading of invisible marking Physics 155 Expired
US5445871A Surface-modified plastic plate Emerging Cross-Sectional Technologies 133 Expired
US6660457B1 Method of forming conductive pattern Electricity 87 Expired
US4195129A Method for immobilizing enzymes and microbial cells Chemistry; Metallurgy 75 Expired
US4134866A Aqueous cationic coating from amine-epoxy adduct, polyamide, and semi-blocked polyisocyanate, acid salt Emerging Cross-Sectional Technologies 63 Expired
US4330446A Aqueous dispersion for metal coating from colloidal silica, alkoxy silane, and polymer Emerging Cross-Sectional Technologies 61 Expired
US5079058A Patterned film forming laminated sheet Emerging Cross-Sectional Technologies 56 Expired
US4981759A Coating method Emerging Cross-Sectional Technologies 55 Expired
US5192611A Patterned film forming laminated sheet Emerging Cross-Sectional Technologies 55 Expired
US4987178A Cationically electrodepositable finely divided gelled polymer and cationically electrodepositable coating composition containing same Chemistry; Metallurgy 53 Expired
US5025060A Dispersion of fine particles of a polymer Chemistry; Metallurgy 52 Expired
US4948829A Aqueous coating composition and coating method using same Chemistry; Metallurgy 51 Expired
US4888244A Process for forming composite coated film Emerging Cross-Sectional Technologies 49 Expired
US3945899A Process for coating aluminum or aluminum alloy Emerging Cross-Sectional Technologies 48 Expired
US5686725A Method for reading of invisible marking Physics 48 Expired
US4312902A Coating composition capable of forming a multilayer film Chemistry; Metallurgy 48 Expired
US4036795A Aqueous cationic coating from amine-epoxy adduct, polyamide, and semiblocked polyisocyanate, acid salt Emerging Cross-Sectional Technologies 48 Expired
US5556527A Process for formation of multilayer film Performing Operations; Transporting 48 Expired
US5158614A Vertically-reciprocating coating apparatus Performing Operations; Transporting 46 Expired
US4960611A Method of remedying coating Performing Operations; Transporting 44 Expired
US3974303A Method for forming coating films Chemistry; Metallurgy 41 Expired
US4033920A Process for producing unsaturated resin emulsion Chemistry; Metallurgy 40 Expired
US4134865A Process for making aqueous cationic coating from amine-epoxy adduct, polyamide, and semiblocked polyisocyanate, acid salt, and product Emerging Cross-Sectional Technologies 40 Expired
US5032641A Water-repellent film-forming composition Chemistry; Metallurgy 39 Expired
US7271213B2 Pigment dispersing resin Chemistry; Metallurgy 38 Expired

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