Inventor · disambiguated record
Masaharu Kittaka
Also filed as: KITTAKA MASAHARU
5 granted patents·6 citations·filing 1998–2004
68Inventor score
Top patents by PatentIndex Score
5 records- 0153US6673962B2Granule of parahydroxybenzoic acid or parahydroxybenzoic ester and process for producing the sameUENO SEIYAKU OYO KENKYUJO KK·Filed 2002·Granted Jan 6, 2004·1 cites·11 claims
- 0250US7304182B2Crystalline parahydroxybenzoic acid anhydride and process for preparing the sameUENO SEIYAKU OYO KENKYUJO KK·Filed 2004·Granted Dec 4, 2007·0 cites·10 claims
- 0348US6020470AWater-soluble azo compounds and process for producing the sameUENO SEIYAKU OYO KENKYUJO KK·Filed 1998·Granted Feb 1, 2000·4 cites·3 claims
- 0435US6562998B1Granules of 2-hydroxynaphthalene-3-carboxylic acid and method for preparing the sameUENO SEIYAKO OYO KENKYUJO KK·Filed 2000·Granted May 13, 2003·0 cites·9 claims
- 0534US6239263B1Water-soluble azo compounds and process for the preparation thereofUENO SEIYAKU OYO KENKYUJO KK·Filed 1998·Granted May 29, 2001·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →