Inventor · disambiguated record
Shizuka Iwata
Also filed as: IWATA SHIZUKA
5 granted patents·3 pending applications·0 citations·filing 2018–2020
59Inventor score
Technology areasH01M
Files withSUMITOMO CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0163US11594785B2Nonaqueous electrolyte secondary battery porous layerSUMITOMO CHEMICAL CO·Filed 2020·Granted Feb 28, 2023·0 cites·12 claims
- 0262US11594786B2Nonaqueous electrolyte secondary battery laminated separatorSUMITOMO CHEMICAL CO·Filed 2020·Granted Feb 28, 2023·0 cites·9 claims
- 0362US10553906B2Nonaqueous electrolyte secondary battery porous layerSUMITOMO CHEMICAL CO·Filed 2018·Granted Feb 4, 2020·0 cites·9 claims
- 0460US11611131B2Porous layer having nonuniform internal structure, battery laminated separator and nonaqueous electrolyte secondary battery including the sameSUMITOMO CHEMICAL CO·Filed 2020·Granted Mar 21, 2023·0 cites·11 claims
- 0557US11695186B2Nonaqueous electrolyte secondary battery laminated separatorSUMITOMO CHEMICAL CO·Filed 2020·Granted Jul 4, 2023·0 cites·10 claims
- 0650US2020335753A1Nonaqueous electrolyte secondary battery porous layerSUMITOMO CHEMICAL CO·Filed 2020·Application pending·0 cites
- 0745US2019123380A1Nonaqueous electrolyte secondary battery porous layerSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
- 0845US2019123378A1Nonaqueous electrolyte secondary battery porous layerSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →