Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840762 | Process for preparation of high-performance grade carbon fibers | Toru Sawaki, Tsutomu Nakamura, Jiro Sadanobu | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840762 | Process for preparation of high-performance grade carbon fibers | Toru Sawaki, Tsutomu Nakamura, Jiro Sadanobu | 1989-06-20 |