Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6673445 | Polybenzazole fibers and their utilization | Tooru Kitagawa, Hideki Sugihara, Yoshimitsu Sakaguchi, Yukihiro Nomura | 2004-01-06 |
| 4824929 | Polymeric antioxidant and process for production thereof | Yoshikazu Arimatsu, Katsuya Tani, Hideyuki Mitamura, Minoru Saito, Kenichi Katsuo | 1989-04-25 |