Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608150 | Pitch material for carbonaceous body and a method for the preparation thereof | Masaaki Itoi, Masakatsu Ohta, Kunio Yoshihara, Hiroshi Nishitani | 1986-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608150 | Pitch material for carbonaceous body and a method for the preparation thereof | Masaaki Itoi, Masakatsu Ohta, Kunio Yoshihara, Hiroshi Nishitani | 1986-08-26 |