MI

Masami Igi

SC Sumika Fine Chemicals Co.: 2 patents #3 of 20Top 15%
Overall (2004): #51,881 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6815548 Process for preparing a piperidine derivative Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Shigeya Yamazaki, Taro Ishibashi +3 more 2004-11-09
6777576 Production method of 2-cyclohexyl-2-hydroxy-2-phenylacetic acid intermediate therefor and production method thereof Tetsuya Ikemoto, Wei-Guo Gao, Mitsuhiro Takeda 2004-08-17