Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330680 | Foliated fine graphite particles and method for preparing same | Yuji Yoshizumi, Yutaka Yamashita | 1994-07-19 |
| 5217701 | Process for producing carbon materials | Koji Sakata | 1993-06-08 |
| 5110899 | Sulfo-group-containing heat-resistant high-molecular material and a preparation process thereof | Koji Sakata | 1992-05-05 |