Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |