Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925547 | Process for producing pitch for the manufacture of high-performance carbon fibers together with pitch for the manufacture of general-purpose carbon fibers | Masatoshi Tsuchitani, Sakae Naito, Kiyotaka Suzuki | 1990-05-15 |