Inventor · disambiguated record
Tadao Oiwa
Also filed as: OIWA TADAO
1 granted patent·2 pending applications·5 citations·filing 2012–2016
25Inventor score
Top patents by PatentIndex Score
3 records- 0178US9573082B2Upper-layer cleaning device for water treatment device, and method for cleaning water treatment device filter layerMIMURA HITOSHI·Filed 2012·Granted Feb 21, 2017·5 cites·4 claims
- 0244US2015314221A1Cleaning system for sand filtration layerHITACHI SHIPBUILDING ENG CO·Filed 2013·Application pending·0 cites
- 0338US2017107122A1Raw water treatment methodNAGAOKA KK·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →