Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357982 | Polybenzazole fiber and use thereof | Yukihiro Abe, Kohei Kiriyama, Hiroki Murase, Muneatsu Nakamura, Yukihiro Nomura +5 more | 2008-04-15 |
| 6335419 | Polybenzazole and fiber thereof | Fuyuhiko Kubota | 2002-01-01 |
| 5911908 | Method of stabilizing 4,6-diaminoresorcinol and salt thereof | Fuyuhiko Kubota | 1999-06-15 |