Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839006 | Surface treatment process for carbon fibers | Fujio Nakao | 1989-06-13 |
| 4814157 | Carbon fibers and method for producing same | Hajime Asai, Fujio Nakao | 1989-03-21 |
HU
Hirofumi Uno
Overall (1989): #25,511 of 140,708Top 20%
2
Patents 1989