Inventor · disambiguated record
Yoshimasa Chiba
Also filed as: CHIBA YOSHIMASA
4 granted patents·2 pending applications·24 citations·filing 1994–2014
70Inventor score
Top patents by PatentIndex Score
6 records- 0172US7882632B2Industrial pump and manufacturing method thereofHITACHI IND CO LTD·Filed 2006·Granted Feb 8, 2011·6 cites·5 claims
- 0256US5554672AEpoxy resin primer for lining of wet concrete surfacesTONEN CORP·Filed 1994·Granted Sep 10, 1996·16 cites·1 claims
- 0349US8398375B2ImpellerTANAKA KOHEI·Filed 2009·Granted Mar 19, 2013·0 cites·9 claims
- 0444US2008014082A1Multi Stage Diffuser PumpKOBAYASHI KATSUTOSHI·Filed 2007·Application pending·0 cites
- 0542US2016326657A1Corrosion protection system and pump device with the sameHITACHI LTD·Filed 2014·Application pending·0 cites
- 0629US7198457B2Single-shaft multistage pumpHITACHI IND CO LTD·Filed 2004·Granted Apr 3, 2007·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →