Inventor · disambiguated record
Chikakazu Kawaguchi
Also filed as: KAWAGUCHI CHIKAKAZU
9 granted patents·154 citations·filing 1986–1997
89Inventor score
Top patents by PatentIndex Score
9 records- 0182US4990400APolyester films, magnetic recording media and film capacitors produced therefromDIAFOIL CO LTD·Filed 1989·Granted Feb 5, 1991·45 cites·23 claims
- 0275US5006589APolyester film for magnetic recording mediaDIAFOIL CO LTD·Filed 1989·Granted Apr 9, 1991·29 cites·6 claims
- 0373US5106681APolyester films, magnetic recording media and film capacitors produced therefromDIAFOIL CO LTD·Filed 1989·Granted Apr 21, 1992·29 cites·10 claims
- 0461US5532049AMagnetic 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
- 0555US5998002AHigh-density magnetic recording mediumMITSUBISHI POLYESTER FILM CORP·Filed 1997·Granted Dec 7, 1999·12 cites·11 claims
- 0649US5670236ABiaxially oriented polyester film for magnetic recording mediumDIAFOIL HOECHST CO LTD·Filed 1995·Granted Sep 23, 1997·9 cites·14 claims
- 0748US4727108APolyester compositions and process of preparing polyester films from themDIAFOIL CO LTD·Filed 1986·Granted Feb 23, 1988·9 cites·8 claims
- 0839US5314736APolyethylene 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
- 0930US5324574ABiaxially stretched polyester filmDIAFOIL HOECHST CO LTD·Filed 1992·Granted Jun 28, 1994·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →