Inventor · disambiguated record
Masatsugu Kawawaki
Also filed as: KAWAWAKI MASATSUGU
2 granted patents·1 pending application·4 citations·filing 2003–2003
47Inventor score
Technology areasC01G
Files withSTELLA CHEMIFA KK2
Top patents by PatentIndex Score
3 records- 0151US7214362B2Purification method for producing high purity niobium compound and/or tantalum compoundSTELLA CHEMIFA KK·Filed 2003·Granted May 8, 2007·2 cites·16 claims
- 0251US7175823B2Purification method for producing high purity niobium compound and/or tantalum compoundSTELLA CHEMIFA KK·Filed 2003·Granted Feb 13, 2007·2 cites·6 claims
- 0335US2005123459A1Method of purifying niobium compound and/or tantalum compoundFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →