Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818734 | Polybenzazole article and production method thereof | Yusuke Shimizu | 2004-11-16 |
| 6689437 | Oxygen-absorbing material | Hisashi Ubara, Naoki Mizuno, Yoshimitsu Sakaguchi, Ken Takasugi, Syunji Kurahara +4 more | 2004-02-10 |