Inventor · disambiguated record
Sumio Arai
Also filed as: ARAI SUMIO
2 granted patents·1 pending application·13 citations·filing 1983–2011
50Inventor score
Top patents by PatentIndex Score
3 records- 0177US4510074AWood preservative compositionKAO CORP·Filed 1983·Granted Apr 9, 1985·13 cites·20 claims
- 0238US7494206B2Liquid ejection head and method of producing sameSEIKO EPSON CORP·Filed 2006·Granted Feb 24, 2009·0 cites·14 claims
- 0334US2011221822A1Liquid ejection head and liquid ejection apparatusSEIKO EPSON CORP·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →