Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5124010 | Carbon fibers having modified surfaces and process for producing the same | Naoki Sugiura | 1992-06-23 |
| 4867852 | Electrolytic method for after-treatment of carbon fiber | Nobuyuki Yamamoto, Katumi Anai | 1989-09-19 |
| 4839006 | Surface treatment process for carbon fibers | Hirofumi Uno | 1989-06-13 |
| 4814157 | Carbon fibers and method for producing same | Hirofumi Uno, Hajime Asai | 1989-03-21 |
| 4735693 | Process for producing carbon fiber | Hajime Asai | 1988-04-05 |
| 4603157 | Intermediate for composite material | Hajime Asai | 1986-07-29 |