YT

Yayoi Tagami

SC Sumika Fine Chemicals Co.: 4 patents #16 of 59Top 30%
Overall (All Time): #1,267,075 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6815548 Process for preparing a piperidine derivative Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 2004-11-09
6610851 Process for preparing a piperidine derivative Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 2003-08-26
6476227 Piperidine derivative and process for preparing the same Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 2002-11-05
5948914 Piperidine derivative and process for preparing the same Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Shigeya Yamazaki +3 more 1999-09-07