Inventor · disambiguated record
Kazuhiko Okubo
Also filed as: OKUBO KAZUHIKO
6 granted patents·3 pending applications·39 citations·filing 1985–2022
74Inventor score
Files withSUMITOMO METAL MINING CO4MARUOKA YUSUKE1MITSUI CHEMICALS INC1MITSUI CHEMICALS POLYURETHANES1SHIMOKAWATOKO YOSHIKI1
Top patents by PatentIndex Score
9 records- 0178US6117937APolymer polyol and flame retardant polyurethane resin and foam prepared therefromMITSUI CHEMICALS INC·Filed 1998·Granted Sep 12, 2000·35 cites·20 claims
- 0260US12464952B2Magnetostrictive member and method for manufacturing magnetostrictive memberSUMITOMO METAL MINING CO·Filed 2022·Granted Nov 4, 2025·0 cites·6 claims
- 0358US2024215455A1Magnetostrictive member and method for manufacturing magnetostrictive memberSUMITOMO METAL MINING CO·Filed 2022·Application pending·0 cites
- 0447US10388953B2Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary batterySUMITOMO METAL MINING CO·Filed 2015·Granted Aug 20, 2019·0 cites·16 claims
- 0543US4784191ADevice for storing a weft yarn for inserting in a jet loomTOYODA AUTOMATIC LOOM WORKS·Filed 1985·Granted Nov 15, 1988·4 cites·15 claims
- 0638US10494469B2Composition for polyurethane foam, preparation for polyurethane foam, polymer polyol preparation for polyurethane foam, production processes therefor, and polyurethane foamMARUOKA YUSUKE·Filed 2012·Granted Dec 3, 2019·0 cites·11 claims
- 0738US9000219B2Method for treatment of isocyanate residue, and method for treatment of carbonateSHIMOKAWATOKO YOSHIKI·Filed 2010·Granted Apr 7, 2015·0 cites·7 claims
- 0837US2023074828A1Magnetostrictive member and method for manufacturing magnetostrictive memberSUMITOMO METAL MINING CO·Filed 2020·Application pending·0 cites
- 0935US2008319095A1Thermosetting Polyamide Foam, Uses Thereof, and Method for Producing Thermosetting PolyamideMITSUI CHEMICALS POLYURETHANES·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →