MK

Masaharu Kittaka

UK Ueno Seiyaku Oyo Kenkyujo: 5 patents #14 of 76Top 20%
Overall (All Time): #1,033,707 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7304182 Crystalline parahydroxybenzoic acid anhydride and process for preparing the same Ryuzo Ueno, Masaya Kitayama, Nobutaka Izumichi 2007-12-04
6673962 Granule of parahydroxybenzoic acid or parahydroxybenzoic ester and process for producing the same Ryuzo Ueno, Masaya Kitayama, Nobutaka Izumichi 2004-01-06
6562998 Granules of 2-hydroxynaphthalene-3-carboxylic acid and method for preparing the same Ryuzo Ueno, Masaya Kitayama, Nobutaka Izumichi, Syungo Nara 2003-05-13
6239263 Water-soluble azo compounds and process for the preparation thereof Ryuzo Ueno, Masaya Kitayama, Kenji Minami 2001-05-29
6020470 Water-soluble azo compounds and process for producing the same Ryuzo Ueno, Masaya Kitayama, Kenji Minami 2000-02-01