Inventor · disambiguated record
Katsuhiko Sumita
Also filed as: SUMITA KATSUHIKO
4 granted patents·2 pending applications·14 citations·filing 2001–2019
67Inventor score
Top patents by PatentIndex Score
6 records- 0169US6858311B2Surface protective film and process for producing the sameDAICEL CHEM·Filed 2003·Granted Feb 22, 2005·9 cites·6 claims
- 0262US6777100B2Surface protective film for adhesive resin and process for producing the sameDAICEL CHEM·Filed 2003·Granted Aug 17, 2004·5 cites·7 claims
- 0357US10622658B2Release film, laminate and method for manufacturing same, and method for manufacturing fuel cellDAICEL CORP·Filed 2014·Granted Apr 14, 2020·0 cites·13 claims
- 0448US11791284B2Semiconductor device manufacturing methodDAICEL CORP·Filed 2019·Granted Oct 17, 2023·0 cites·20 claims
- 0539US2001021439A1Image receiving sheet and process for producing the sameFiled 2001·Application pending·0 cites
- 0633US2008302470A1Transfer SheetsSUMITA KATSUHIKO·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →