Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814157 | Carbon fibers and method for producing same | Hirofumi Uno, Fujio Nakao | 1989-03-21 |
HA
Hajime Asai
Overall (1989): #109,087 of 140,708Top 80%
1
Patents 1989