Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428892 | Carbon fibers, acrylic fibers and process for producing the acrylic fibers | Yoji Matsuhisa, Makoto Kibayashi, Akira Okuda | 2002-08-06 |
| 6368711 | Carbon fibers, acrylic fibers and process for producing the acrylic fibers | Yoji Matsuhisa, Makoto Kibayashi, Akira Okuda | 2002-04-09 |