Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10308472 | Carbon fiber precursor fiber bundle, production method and production device therefor, and carbon fiber and production method therefor | Katsuhiko Ikeda | 2019-06-04 |
| 7941903 | Carbon fiber precursor fiber bundle, production method and production device therefor, and carbon fiber and production method therefor | Katsuhiko Ikeda, Takahiko Kunisawa, Atsushi Kawamura | 2011-05-17 |