Inventor · disambiguated record
Azuma Nakaoka
Also filed as: NAKAOKA AZUMA · SHIMIZU NORIO
3 granted patents·71 citations·filing 1974–1977
74Inventor score
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0175US4113618AMethod of and apparatus for solid-liquid separationHITACHI LTD·Filed 1976·Granted Sep 12, 1978·31 cites·16 claims
- 0265US4178245AFiltration methodHITACHI LTD·Filed 1974·Granted Dec 11, 1979·21 cites·3 claims
- 0362US4203841AApparatus for high-efficient microbiological oxidation treatmentHITACHI LTD·Filed 1977·Granted May 20, 1980·19 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →