Inventor · disambiguated record
Shigeo Utsumi
Also filed as: UTSUMI SHIGEO
31 granted patents·670 citations·filing 1983–1993
98Inventor score
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31 records- 0194US4756953AUniaxially high-oriented polyethylene naphthalate film for polarizing platesDIAFOIL CO LTD·Filed 1986·Granted Jul 12, 1988·80 cites·13 claims
- 0289US4814426AShrinkable polyester film for packagingDIAFOIL CO LTD·Filed 1987·Granted Mar 21, 1989·61 cites·15 claims
- 0386US4799772AUniaxially high-oriented polyethylene naphthalate film for liquid crystal panel substratesDIAFOIL CO LTD·Filed 1986·Granted Jan 24, 1989·51 cites·7 claims
- 0482US4990400APolyester films, magnetic recording media and film capacitors produced therefromDIAFOIL CO LTD·Filed 1989·Granted Feb 5, 1991·45 cites·23 claims
- 0581US4677188ATransparent slippery biaxially stretched polyester filmDIAFOIL CO LTD·Filed 1986·Granted Jun 30, 1987·39 cites·3 claims
- 0680US5070180AShrinkable copolyester filmDIAFOIL CO LTD·Filed 1991·Granted Dec 3, 1991·38 cites·6 claims
- 0780US4985538AShrinkable polyester filmDIAFOIL CO LTD·Filed 1987·Granted Jan 15, 1991·42 cites·13 claims
- 0876US4804736APolyethylene-2,6-naphthalate film for magnetic recording tapesDIAFOIL CO LTD·Filed 1986·Granted Feb 14, 1989·28 cites·15 claims
- 0973US4876137APolyethylene naphthalate film for high-density magnetic recording media of floppy diskDIAFOIL CO LTD·Filed 1987·Granted Oct 24, 1989·32 cites·11 claims
- 1069US4985537AProcess of making a biaxially stretched polyester film and biaxially stretched polyester filmDIAFOIL CO LTD·Filed 1989·Granted Jan 15, 1991·23 cites·2 claims
- 1168US4814221APolyethylene-2,6-naphthalate film for capacitorDIAFOIL CO LTD·Filed 1986·Granted Mar 21, 1989·16 cites·3 claims
- 1264US5093064ALow-shrinkage polyester film and preparation thereofDIAFOIL CO LTD·Filed 1990·Granted Mar 3, 1992·17 cites·5 claims
- 1363US4725479APolyethylene naphthalate film for membrane switchDIAFOIL CO LTD·Filed 1986·Granted Feb 16, 1988·18 cites·7 claims
- 1457US4865898APolyester film for magnetic recording mediaDIAFOIL CO LTD·Filed 1987·Granted Sep 12, 1989·18 cites·11 claims
- 1557US4617164AProcess for stretching polyester filmsDIAFOIL CO LTD·Filed 1984·Granted Oct 14, 1986·13 cites·19 claims
- 1655US4680217APolyester film for magnetic recording mediaDIAFOIL CO LTD·Filed 1986·Granted Jul 14, 1987·19 cites·1 claims
- 1754US5139727AProcess for producing biaxially oriented polyester filmDAIFOIL COMPANY LIMITED·Filed 1991·Granted Aug 18, 1992·20 cites·6 claims
- 1850US4977230AHeat-resistant film or sheetMITSUBISHI CHEM IND·Filed 1990·Granted Dec 11, 1990·8 cites·8 claims
- 1948US4610833AProcess for preparing biaxially stretched polyester filmsDIAFOIL CO LTD·Filed 1983·Granted Sep 9, 1986·13 cites·8 claims
- 2046US5045379APolyester film for high density magnetic recording mediumDIAFOIL CO LTD·Filed 1989·Granted Sep 3, 1991·6 cites·8 claims
- 2146US4960636ABiaxially oriented polyester film for floppy diskDIAFOIL CO LTD·Filed 1990·Granted Oct 2, 1990·9 cites·2 claims
- 2245US4812360AThermal transfer (printing) materialDIAFOIL CO LTD·Filed 1988·Granted Mar 14, 1989·8 cites·2 claims
- 2345US4769190AProcess for producing polyphenylene sulfide filmDIAFOIL CO LTD·Filed 1987·Granted Sep 6, 1988·11 cites·21 claims
- 2444US5441800ALaminated polyester film for magnetic tapeDIAFOIL HOECHST CO LTD·Filed 1993·Granted Aug 15, 1995·13 cites·22 claims
- 2544US4781963AMagnetic recording mediumDIAFOIL CO LTD·Filed 1987·Granted Nov 1, 1988·9 cites·12 claims
- 2641US5366783ALaminated polyester film for magnetic tape having specific surface propertiesDIAFOIL HOECHST CO LTD·Filed 1992·Granted Nov 22, 1994·13 cites·18 claims
- 2735US5318823APolyester multilayered film for high-density magnetic discDIAFOIL HOECHST CO LTD·Filed 1992·Granted Jun 7, 1994·8 cites·6 claims
- 2834USRE34727ELow-shrinkage polyester film and preparation thereofDIAFOIL CO LTD·Filed 1992·Granted Sep 13, 1994·4 cites·5 claims
- 2932US4977020ATransfer material for use with printerDIAFOIL CO LTD·Filed 1989·Granted Dec 11, 1990·2 cites·6 claims
- 3028US5510192APolyethylene naphthalate multilayered film for high density magnetic recording mediumDIAFOIL HOECHST CO LTD·Filed 1992·Granted Apr 23, 1996·3 cites·10 claims
- 3126US4708902APolyester films suitable for use in magnetic recording mediaDIAFOIL CO LTD·Filed 1987·Granted Nov 24, 1987·3 cites·2 claims
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