RO

Ryoichi Otsuka

UK Ueno Seiyaku Oyo Kenkyujo: 2 patents #31 of 76Top 45%
UI Ueno Fine Chemicals Industry: 1 patents #17 of 50Top 35%
Overall (All Time): #1,528,726 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8680325 Process for preparing 2,5-dihydroxyterephthalic acid Yusuke Kita 2014-03-25
7102028 Method for producing 3,5-di-tert-butyl-4-hydroxybenzoic acid 2006-09-05
6451109 Columnar crystals of 6-hydroxy-2-naphthoic acid and process for manufacturing the same Ryuzo Ueno, Masaya Kitayama, Hiroyuki Kato 2002-09-17