Inventor · disambiguated record
Natsumi Shibamura
Also filed as: SHIBAMURA NATSUMI
8 granted patents·1 pending application·12 citations·filing 2011–2017
79Inventor score
Top patents by PatentIndex Score
9 records- 0185US9537140B2Manganese spinel-type lithium transition metal oxideMITSUI MINING & SMELTING CO·Filed 2013·Granted Jan 3, 2017·4 cites·11 claims
- 0283US9240595B2Spinel type lithium-manganese-nickel-containing composite oxideMITSUI MINING & SMELTING CO·Filed 2013·Granted Jan 19, 2016·4 cites·2 claims
- 0376US9761873B2Negative electrode active material for nonaqueous electrolyte secondary batteriesIDE HITOHIKO·Filed 2012·Granted Sep 12, 2017·2 cites·5 claims
- 0473US10186706B2Positive electrode active material for lithium secondary batteryMITSUI MINING & SMELTING CO·Filed 2014·Granted Jan 22, 2019·1 cites·18 claims
- 0568US8632695B2Negative electrode active material for nonaqueous secondary batteryIDE HITOHIKO·Filed 2011·Granted Jan 21, 2014·1 cites·13 claims
- 0659US10468672B2Positive electrode active material for lithium secondary batteryMITSUI MINING & SMELTING CO·Filed 2014·Granted Nov 5, 2019·0 cites·16 claims
- 0758US2017317348A1Negative electrode active material for nonaqueous electrolyte secondary batteriesMITSUI MINING & SMELTING CO·Filed 2017·Application pending·0 cites
- 0856US9893355B2Spinel-type lithium manganese transition metal oxideMITSUI MINING & SMELTING CO·Filed 2012·Granted Feb 13, 2018·0 cites·15 claims
- 0947US9337486B2Spinel-type lithium-manganese composite oxideMITSUI MINING & SMELTING CO·Filed 2013·Granted May 10, 2016·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →