Inventor · disambiguated record
Takatoshi Ohkubo
Also filed as: OHKUBO TAKATOSHI
9 granted patents·158 citations·filing 1989–1998
88Inventor score
Top patents by PatentIndex Score
9 records- 0190US5071578ASulfonated hydroxy-functional polyurethane binder for magnetic recording mediaMINNESOTA MINING & MFG·Filed 1989·Granted Dec 10, 1991·81 cites·16 claims
- 0268US5085941AMagnetic recording medium with hydroxy functional, sulfonated binder systemMINNESOTA MINING & MFG·Filed 1991·Granted Feb 4, 1992·20 cites·15 claims
- 0364US5069807ABinder composition for use in magnetic recording mediaMINNESOTA MINING & MFG·Filed 1989·Granted Dec 3, 1991·14 cites·21 claims
- 0455US5240972ACarbamate modified sulfonated and non-sulfonated hydroxy-functional polyurethane macroiniferter compounds, copolymers made therewith, and magnetic recording media prepared therefromMINNESOTA MINING & MFG·Filed 1992·Granted Aug 31, 1993·10 cites·19 claims
- 0552US6030695ACoated magnetic recording medium, paint for coated magnetic medium and method for producing coated magnetic mediumIMATION CORP·Filed 1998·Granted Feb 29, 2000·10 cites·8 claims
- 0650US5932330ACoated magnetic recording medium, paint for coated magnetic medium and method for producing coated magnetic mediumIMATION CORP·Filed 1994·Granted Aug 3, 1999·13 cites·9 claims
- 0743US5260136AMagnetic recording medium comprising a cured dispersion coating of sulfonated hydroxy-functional polyurethane binder and magnetizable pigmentMINNESOTA MINING & MFG·Filed 1992·Granted Nov 9, 1993·5 cites·10 claims
- 0836US5118580AMagnetic recording media prepared from polyurethane copolymers formed utilizing an interferter compoundMINNESOTA MINING & MFG·Filed 1990·Granted Jun 2, 1992·3 cites·4 claims
- 0935US5185423AMethod of making sulfonated hydroxy-functional polyurethane binder for magnetic recording mediaMINNESOTA MINING & MFG·Filed 1991·Granted Feb 9, 1993·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →