Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986893 | Process for producing pitch for carbon materials | Ikuo Seo, Saburou Takahashi | 1991-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986893 | Process for producing pitch for carbon materials | Ikuo Seo, Saburou Takahashi | 1991-01-22 |