Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242196 | Mass production system of highly aromatic petroleum pitch | Takaaki Aiba, Ryoichi Takahashi, Takuji Hosoi | 1980-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242196 | Mass production system of highly aromatic petroleum pitch | Takaaki Aiba, Ryoichi Takahashi, Takuji Hosoi | 1980-12-30 |