Inventor · disambiguated record
Keiko Nii
Also filed as: NII KEIKO
2 granted patents·2 pending applications·50 citations·filing 2018–2019
65Inventor score
Technology areasA61M
Files withNGK SPARK PLUG CO4
Top patents by PatentIndex Score
4 records- 0181USD854161SMedical oxygen concentratorNGK SPARK PLUG CO·Filed 2018·Granted Jul 16, 2019·26 cites·1 claims
- 0280USD861874SMedical oxygen concentratorNGK SPARK PLUG CO·Filed 2018·Granted Oct 1, 2019·24 cites·1 claims
- 0342US2019351175A1Oxygen concentratorNGK SPARK PLUG CO·Filed 2019·Application pending·0 cites
- 0439US2019275278A1Nasal cannulaNGK SPARK PLUG CO·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →