Inventor · disambiguated record
Toshifumi Takisawa
Also filed as: TAKISAWA TOSHIFUMI
7 granted patents·1 pending application·228 citations·filing 1987–2002
88Inventor score
Top patents by PatentIndex Score
8 records- 0187US5391429APolyester filmDIAFOIL HOECHST CO LTD·Filed 1993·Granted Feb 21, 1995·53 cites·19 claims
- 0282US4990400APolyester films, magnetic recording media and film capacitors produced therefromDIAFOIL CO LTD·Filed 1989·Granted Feb 5, 1991·45 cites·23 claims
- 0375US5006589APolyester film for magnetic recording mediaDIAFOIL CO LTD·Filed 1989·Granted Apr 9, 1991·29 cites·6 claims
- 0473US5106681APolyester films, magnetic recording media and film capacitors produced therefromDIAFOIL CO LTD·Filed 1989·Granted Apr 21, 1992·29 cites·10 claims
- 0570US5972457AOptical recording mediumMITSUBISHI CHEM CORP·Filed 1997·Granted Oct 26, 1999·48 cites·30 claims
- 0657US4865898APolyester film for magnetic recording mediaDIAFOIL CO LTD·Filed 1987·Granted Sep 12, 1989·18 cites·11 claims
- 0744US5364684AMagnetic 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
- 0837US2003161987A1Optical recording mediumMITSUBISHI CHEM CORP·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →