Inventor · disambiguated record
Katsuhiko Sumida
Also filed as: SUMIDA KATSUHIKO
9 granted patents·264 citations·filing 1990–2000
91Inventor score
Top patents by PatentIndex Score
9 records- 0184US6420449B1Resin composition for white markingDAICEL CHEM·Filed 2000·Granted Jul 16, 2002·19 cites·23 claims
- 0282US6054209AEasy tearable films and method of producing the sameDAICEL CHEM·Filed 1998·Granted Apr 25, 2000·40 cites·14 claims
- 0382US5364669AComposite filmsDAICEL CHEM·Filed 1990·Granted Nov 15, 1994·60 cites·27 claims
- 0479US6045902AEasy tearable films and method of producing the sameDAICEL CHEM·Filed 1993·Granted Apr 4, 2000·31 cites·23 claims
- 0579US5405565AMethod of manufacturing laminated filmsDAICEL CHEM·Filed 1990·Granted Apr 11, 1995·37 cites·17 claims
- 0679US5360647AComposite metal sheetsDAICEL CHEM·Filed 1990·Granted Nov 1, 1994·40 cites·18 claims
- 0763US5614141AMethod of manufacturing laminated filmsDAICEL CHEM·Filed 1994·Granted Mar 25, 1997·20 cites·17 claims
- 0853US5317066APolyester-grafted polyamide, process for preparing the same, and thermoplastic resin composition containing the sameDAICEL CHEM·Filed 1993·Granted May 31, 1994·8 cites·4 claims
- 0941US5143487AThrow away tipNGK SPARK PLUG CO·Filed 1990·Granted Sep 1, 1992·9 cites·8 claims
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