Assignee
DIAFOIL HOECHST CO LTD
JP·41 granted patents·691 citations·filing 1991–1997
Top patents by PatentIndex Score
41 records- 0189US5514462APolyester film comprising a mixture of polyesters for highly heat sensitive original sheet for stencil printingDIAFOIL HOECHST CO LTD·Filed 1994·Granted May 7, 1996·70 cites·19 claims
- 0287US5391429APolyester filmDIAFOIL HOECHST CO LTD·Filed 1993·Granted Feb 21, 1995·53 cites·19 claims
- 0385US5648159ADry resistDIAFOIL HOECHST CO LTD·Filed 1995·Granted Jul 15, 1997·69 cites·13 claims
- 0483US5824394ABiaxially oriented laminated polyester filmDIAFOIL HOECHST CO LTD·Filed 1995·Granted Oct 20, 1998·49 cites·21 claims
- 0583US5459019AOptical tapeDIAFOIL HOECHST CO LTD·Filed 1994·Granted Oct 17, 1995·33 cites·43 claims
- 0676US5527594AOptical tapeDIAFOIL HOECHST CO LTD·Filed 1992·Granted Jun 18, 1996·26 cites·40 claims
- 0770US5429855ABiaxially oriented laminated polyester film for magnetic recording mediaDIAFOIL HOECHST CO LTD·Filed 1993·Granted Jul 4, 1995·26 cites·7 claims
- 0870US5318833APolyester film comprising specific porous silica particlesDIAFOIL HOECHST CO LTD·Filed 1992·Granted Jun 7, 1994·23 cites·20 claims
- 0969US5262224APrinted laminateDIAFOIL HOECHST CO LTD·Filed 1992·Granted Nov 16, 1993·15 cites·19 claims
- 1067US5833905AProcess for producing polyester compositionDIAFOIL HOECHST CO LTD·Filed 1997·Granted Nov 10, 1998·25 cites·15 claims
- 1162US5540974AMetallized polyester film capacitorDIAFOIL HOECHST CO LTD·Filed 1993·Granted Jul 30, 1996·27 cites·20 claims
- 1261US5532049AMagnetic recording medium having a calendered polyester layer with a specified deformation ratioDIAFOIL HOECHST CO LTD·Filed 1994·Granted Jul 2, 1996·13 cites·10 claims
- 1359US5364698ALaminated polyester film for magnetic recording mediumDIAFOIL HOECHST CO LTD·Filed 1992·Granted Nov 15, 1994·12 cites·13 claims
- 1458US5370930ALaminated polyester filmDIAFOIL HOECHST CO LTD·Filed 1992·Granted Dec 6, 1994·19 cites·13 claims
- 1555US5607897APolyester film for sublimation-type thermosensitive transfer recording mediumDIAFOIL HOECHST CO LTD·Filed 1995·Granted Mar 4, 1997·11 cites·20 claims
- 1655US5374467ALaminated filmDIAFOIL HOECHST CO LTD·Filed 1993·Granted Dec 20, 1994·22 cites·18 claims
- 1754US5738926AMetallized polyester film capacitorDIAFOIL HOECHST CO LTD·Filed 1992·Granted Apr 14, 1998·14 cites·35 claims
- 1854US5379180ACapacitor comprising polyethylene 2,6-naphthalate filmDIAFOIL HOECHST CO LTD·Filed 1993·Granted Jan 3, 1995·15 cites·8 claims
- 1952US5474844AImage-forming transfer material including a polyester filmDIAFOIL HOECHST CO LTD·Filed 1994·Granted Dec 12, 1995·11 cites·17 claims
- 2049US5670236ABiaxially oriented polyester film for magnetic recording mediumDIAFOIL HOECHST CO LTD·Filed 1995·Granted Sep 23, 1997·9 cites·14 claims
- 2148US5419942ABase film of digital compact cassette tapeDIAFOIL HOECHST CO LTD·Filed 1993·Granted May 30, 1995·7 cites·16 claims
- 2246US5863641APolyester film for sublimation type thermal transfer printingDIAFOIL HOECHST CO LTD·Filed 1997·Granted Jan 26, 1999·12 cites·16 claims
- 2346US5401558ABiaxially oriented polyester film for capacitor dielectricDIAFOIL HOECHST CO LTD·Filed 1993·Granted Mar 28, 1995·9 cites·6 claims
- 2446US5223328AThermal ink transfer printing materialDIAFOIL HOECHST CO LTD·Filed 1991·Granted Jun 29, 1993·11 cites·7 claims
- 2544US5441800ALaminated polyester film for magnetic tapeDIAFOIL HOECHST CO LTD·Filed 1993·Granted Aug 15, 1995·13 cites·22 claims
- 2644US5364684AMagnetic recording medium comprising a polyethylene-2,6-naphthalate multilayered film coated on both sides by a coating layerDIAFOIL HOECHST CO LTD·Filed 1992·Granted Nov 15, 1994·6 cites·13 claims
- 2744US5206084AMagnetic recording medium comprising an oriented polyester substrate, an antistatic coating of a polymer with pyrrolidium rings in the main chain and a magnetic layerDIAFOIL HOECHST CO LTD·Filed 1991·Granted Apr 27, 1993·10 cites·6 claims
- 2841US5478644ALaminated polyester filmDIAFOIL HOECHST CO LTD·Filed 1993·Granted Dec 26, 1995·7 cites·17 claims
- 2941US5366783ALaminated polyester film for magnetic tape having specific surface propertiesDIAFOIL HOECHST CO LTD·Filed 1992·Granted Nov 22, 1994·13 cites·18 claims
- 3039US5314736APolyethylene terephthalate film for magnetic recording medium containing three different kinds of particlesDIAFOIL HOECHST CO LTD·Filed 1992·Granted May 24, 1994·4 cites·10 claims
- 3138US5494727AMetallized polyester film capacitorDIAFOIL HOECHST CO LTD·Filed 1995·Granted Feb 27, 1996·7 cites·19 claims
- 3238US5458949AFilm for high heat-sensitive stencil paperDIAFOIL HOECHST CO LTD·Filed 1994·Granted Oct 17, 1995·7 cites·20 claims
- 3338US5397674ARadiation sensitized paperDIAFOIL HOECHST CO LTD·Filed 1992·Granted Mar 14, 1995·6 cites·20 claims
- 3438US5376711APoly(ethylene 2,6-naphthalate) filmDIAFOIL HOECHST CO LTD·Filed 1993·Granted Dec 27, 1994·6 cites·17 claims
- 3535US5612115AMetal-deposited polyester film capacitorDIAFOIL HOECHST CO LTD·Filed 1995·Granted Mar 18, 1997·6 cites·18 claims
- 3635US5318823APolyester multilayered film for high-density magnetic discDIAFOIL HOECHST CO LTD·Filed 1992·Granted Jun 7, 1994·8 cites·6 claims
- 3734US5324583AThermal transfer sheetDIAFOIL HOECHST CO LTD·Filed 1992·Granted Jun 28, 1994·5 cites·20 claims
- 3831US5466521AFilm for high heat-sensitive stencil paperDIAFOIL HOECHST CO LTD·Filed 1994·Granted Nov 14, 1995·3 cites·19 claims
- 3930US5324574ABiaxially stretched polyester filmDIAFOIL HOECHST CO LTD·Filed 1992·Granted Jun 28, 1994·4 cites·19 claims
- 4028US5510192APolyethylene naphthalate multilayered film for high density magnetic recording mediumDIAFOIL HOECHST CO LTD·Filed 1992·Granted Apr 23, 1996·3 cites·10 claims
- 4122US5360665AFilm for thermal stencil sheets having specific thermal stresses and shrinkageDIAFOIL HOECHST CO LTD·Filed 1992·Granted Nov 1, 1994·2 cites·17 claims
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