Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671950 | High-strength carbonaceous fiber | Hiroyasu Ogawa, Tetsuro Shigei, Kazuhiro Ichimaru | 1987-06-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671950 | High-strength carbonaceous fiber | Hiroyasu Ogawa, Tetsuro Shigei, Kazuhiro Ichimaru | 1987-06-09 |