Inventor · disambiguated record
Ryosuke Isobe
Also filed as: ISOBE RYOSUKE
24 granted patents·8 pending applications·373 citations·filing 1985–2021
96Inventor score
Top patents by PatentIndex Score
32 records- 0195US5242752AMagnetic recording medium comprising a specified binder resin, specified ferromagnetic metal powder and α-aluminaKONISHIROKU PHOTO IND·Filed 1991·Granted Sep 7, 1993·113 cites·18 claims
- 0279US4818606AHighly running-endurant magnetic recording mediumKONISHIROKU PHOTO IND·Filed 1987·Granted Apr 4, 1989·38 cites·24 claims
- 0377US6194058B1Multi-layer magnetic recording medium, method and system of manufactureQUANTEGY INC·Filed 1998·Granted Feb 27, 2001·50 cites·24 claims
- 0475US6818298B2Magnetic recording medium with dual layer front coating and method of manufactureIMATION CORP·Filed 2002·Granted Nov 16, 2004·10 cites·17 claims
- 0575US5324571AMagnetic recording medium comprising a support and a plurality of layers in which the magnetic layer has a specified plastic deformationKONISHIROKU PHOTO IND·Filed 1993·Granted Jun 28, 1994·21 cites·11 claims
- 0663US4713293AMagnetic recording mediaKONISHIROKU PHOTO IND·Filed 1985·Granted Dec 15, 1987·19 cites·13 claims
- 0761US5458948AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 17, 1995·19 cites·8 claims
- 0859US5527603AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1993·Granted Jun 18, 1996·11 cites·8 claims
- 0959US5455104AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 3, 1995·18 cites·7 claims
- 1056US5496622AMagnetic recording medium comprising an underlayer containing α-iron oxide powder and a magnetic layer containing ferromagnetic metallic powderKONISHIROKU PHOTO IND·Filed 1994·Granted Mar 5, 1996·17 cites·18 claims
- 1156US5405679AMagnetic recording medium comprising a non magnetic underlayer and two magnetic layers of specified composition and thicknessKONISHIROKU PHOTO IND·Filed 1993·Granted Apr 11, 1995·10 cites·9 claims
- 1255US10895922B2Film and stylus system for emulating pen-on-paper tactile feedbackTACTUS TECH INC·Filed 2019·Granted Jan 19, 2021·0 cites·19 claims
- 1354US5153079AMagnetic recording medium comprising ferromagnetic powder and polar group containing ginder resins having different glass transition temperaturesKONISHIROKU PHOTO IND·Filed 1991·Granted Oct 6, 1992·9 cites·13 claims
- 1454US2021103349A1Film and stylus system for emulating pen-on-paper tactile feedbackTACTUS TECH INC·Filed 2020·Application pending·0 cites
- 1553US7163714B2Magnetic recording medium with dual layer front coating and method of manufactureQUANTEGY INC·Filed 2004·Granted Jan 16, 2007·2 cites·5 claims
- 1647US5340635AMagnetic recording medium having a magnetic layer with a specified vickers indentation hardness or plastic deformationKONISHIROKU PHOTO IND·Filed 1992·Granted Aug 23, 1994·11 cites·5 claims
- 1745US2020199358A1Hybrid copolymer composition for protecting foldable displaysTACTUS TECH INC·Filed 2019·Application pending·0 cites
- 1844US2006188754A1Steel-on-steel and compliant-on-steel calendered magnetic recording media, and methods of makingLOWERY DAVID C·Filed 2006·Application pending·0 cites
- 1942US5094916AMagnetic recording medium comprising a polyurethane binder resin having a specified glass transition, molecular weight, and polar group contentKONISHIROKU PHOTO IND·Filed 1990·Granted Mar 10, 1992·8 cites·5 claims
- 2041US2021261718A1Hybrid copolymer composition for protecting foldable displaysTACTUS TECH INC·Filed 2021·Application pending·0 cites
- 2138US5449527AMethod of producing magnetic recording mediumKONISHIROKU PHOTO IND·Filed 1994·Granted Sep 12, 1995·3 cites·16 claims
- 2237US7364809B2Magnetic recording tape media having low abrasivity and reliable media performanceIMATION CORP·Filed 2003·Granted Apr 29, 2008·0 cites·21 claims
- 2337US5061516AProduction method for magnetic recording mediumKONISHIROKU PHOTO IND·Filed 1991·Granted Oct 29, 1991·3 cites·17 claims
- 2437US2004072029A1Steel-on-steel and compliant-on-steel calendered magnetic recording media, and methods of makingFiled 2003·Application pending·0 cites
- 2536US5670245AMagnetic recording medium comprising a magnetic layer containing ferromagnetic metallic powder, binder, and aliphatic acidKONISHIROKU PHOTO IND·Filed 1994·Granted Sep 23, 1997·5 cites·12 claims
- 2635US2011244114A1Barium Ferrite Magnetic Storage Media with Uniform Magnetic Particle DistributionsIMATION CORP·Filed 2010·Application pending·0 cites
- 2735US2004253481A1Multi-layer magnetic medium having a dense magnetic upper layerFiled 2003·Application pending·0 cites
- 2835US2011244118A1Method of Forming Barium Ferrite Magnetic Storage MediaIMATION CORP·Filed 2010·Application pending·0 cites
- 2932US5045390AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1989·Granted Sep 3, 1991·2 cites·5 claims
- 3030US9324354B2Barium ferrite magnetic storage mediaLOWERY DAVID C·Filed 2010·Granted Apr 26, 2016·0 cites·20 claims
- 3130US5084342AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1989·Granted Jan 28, 1992·1 cites·7 claims
- 3229US4835049AMagnetic recording mediumKONISHIROKU PHOTO IND·Filed 1987·Granted May 30, 1989·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →