Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452008 | Pyridone derivatives and process for preparing the same | Koji Morishita, Nagisa Aida, Masashi Tanaka, Masatoshi Yuri, Naohito Ohashi | 2002-09-17 |
| 6420381 | Naphthyridine derivatives | Hitoshi Ban, Naohito Ohashi | 2002-07-16 |