Inventor · disambiguated record

Keizou Yokoi

Also filed as: YOKOI KEIZOU

1 granted patent·2 citations·filing 2004–2004

19Inventor score

Technology areasC01B

Files withNIPPON CHEMICAL IND1

Top patents by PatentIndex Score

1 record

0148US7470414B2High purity phosphoric acid and process of producing the sameNIPPON CHEMICAL IND·Filed 2004·Granted Dec 30, 2008·2 cites·8 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →