Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7329318 | Methods of crystal precipitation | Taichi Yoshikawa | 2008-02-12 |
| 6815548 | Process for preparing a piperidine derivative | Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Taro Ishibashi +3 more | 2004-11-09 |
| 6610851 | Process for preparing a piperidine derivative | Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Taro Ishibashi +3 more | 2003-08-26 |
| 6476227 | Piperidine derivative and process for preparing the same | Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Taro Ishibashi +3 more | 2002-11-05 |
| 6433168 | Highly pure phenothiazine compound, production method thereof, production method of intermediate therefor, and hydrate and novel crystal as starting materials for the intermediate | Hiroyuki Yumoto, Masami Igi | 2002-08-13 |
| 6316628 | L-tartrate of trans-(-)-4-(4-fluorophenyl)-3-hydroxymethylpiperidine compound and process for preparing the same | Taro Ishibashi, Yoshihiro Kawada, Hiroyuki Yumoto, Taichi Yoshikawa, Masami Igi | 2001-11-13 |
| 5948914 | Piperidine derivative and process for preparing the same | Kiyoshi Sugi, Nobushige Itaya, Tadashi Katsura, Masami Igi, Taro Ishibashi +3 more | 1999-09-07 |