Inventor · Takasaki, JP

Fumio Okada

35Patents
14h-index
52Co-inventors
84Inventor score

Filing activity: Jul 18, 1977 → Feb 25, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4678688A Method for forming a surface film of cured organosilicon polymer on a substrate surface Chemistry; Metallurgy 39 Expired
US4814376A Process for preparing organopolysiloxane emulsion Emerging Cross-Sectional Technologies 36 Expired
US4778624A Method for the preparation of an aqueous emulsion of poly(silsesquioxane) Chemistry; Metallurgy 33 Expired
US4496687A Aqueous emulsion-type silicone compositions Emerging Cross-Sectional Technologies 33 Expired
US4690986A Impact-resistant thermoplastic polyorganosiloxane-based graft copolymer and process for producing same Chemistry; Metallurgy 31 Expired
US4586320A Packing apparatus Performing Operations; Transporting 28 Expired
US4690713A Antifoam composition Performing Operations; Transporting 26 Expired
US5095067A Release silicone emulsion composition Chemistry; Metallurgy 23 Expired
US5104927A Release silicone emulsion composition and process for preparing it Chemistry; Metallurgy 19 Expired
US4677178A Silicone-based textile finishing agent Textiles; Paper 18 Expired
US4248789A Process for producing catechins Chemistry; Metallurgy 18 Expired
US4741861A Silicone-based antifoam composition and a method for the preparation of the same Performing Operations; Transporting 18 Expired
US4707503A Radiation-curable organopolysiloxane compositions Chemistry; Metallurgy 14 Expired
US4725635A Silicone-based synthetic fiber finishing agent Emerging Cross-Sectional Technologies 14 Expired
US6187939A Method for preparing fatty acid esters and fuel comprising fatty acid esters Emerging Cross-Sectional Technologies 14 Expired
US4273907A Benzoin-bonded organopolysiloxanes and method for the preparation thereof Emerging Cross-Sectional Technologies 13 Expired
US4454537A Method for reproducing a color picture for use in a picture reproducing machine Electricity 13 Expired
US4303484A Photocurable organopolysiloxane compositions Emerging Cross-Sectional Technologies 12 Expired
US4359369A Photocurable organopolysiloxane compositions Emerging Cross-Sectional Technologies 10 Expired
US6614178B1 Solid-state excimer devices and processes for producing same Electricity 9 Expired
US4208312A Curable organopolysiloxane compositions Emerging Cross-Sectional Technologies 9 Expired
US4770942A Silicone-coated release paper and a method for the preparation thereof Emerging Cross-Sectional Technologies 9 Expired
US4196709A After burning preventive system for an internal combustion engine Emerging Cross-Sectional Technologies 7 Expired
US4894412A Process for preparing self-crosslinkable aminosiloxane emulsion Textiles; Paper 6 Expired
US4105784A Plant viral disease inhibitor Emerging Cross-Sectional Technologies 5 Expired

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