Inventor · disambiguated record
Norifumi Azuma
Also filed as: AZUMA NORIFUMI
2 granted patents·3 pending applications·3 citations·filing 2007–2021
38Inventor score
Top patents by PatentIndex Score
5 records- 0177US9327991B2Aluminium hydroxide powder and method for producing sameSUMITOMO CHEMICAL CO·Filed 2013·Granted May 3, 2016·3 cites·3 claims
- 0253US2023312880A1Particulate composition and molded objectSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 0349US2010167055A1Alpha-alumina powderSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 0449US2020399488A1Particle compositionSUMITOMO CHEMICAL CO·Filed 2019·Application pending·0 cites
- 0539US8163266B2Alpha-alumina powderAZUMA NORIFUMI·Filed 2007·Granted Apr 24, 2012·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →