TK

Tadashi Katsura

SC Sumika Fine Chemicals Co.: 3 patents #5 of 28Top 20%
📍 Suita, JP: #9 of 108 inventorsTop 9%
Overall (2002): #20,256 of 266,432Top 8%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6476227 Piperidine derivative and process for preparing the same Kiyoshi Sugi, Nobushige Itaya, Masami Igi, Shigeya Yamazaki, Taro Ishibashi +3 more 2002-11-05
6369266 Process for producing tert-butyl 4′-methyl-2-biphenylcarboxlate Tetsuya Shintaku, Kiyoshi Sugi, Nobushige Itaya 2002-04-09
6350880 Crystalline or crystallized acid addition salt of losartan and purification method of losartan Hiroshi Shiratani, Nobushige Itaya 2002-02-26