Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108458 | Sizing agent for carbon fiber | Motoi Marumoto, Tadanori Kitamura | 1992-04-28 |
| 4988492 | Method for infusibilizing pitch fibers | Shinzo Ishikawa, Hiroaki Shono, Taiji Matsumoto | 1991-01-29 |
| 4781908 | Process for the infusibilizing treatment of pitch fiber | Atsuki Kodama | 1988-11-01 |