Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974627 | Fine carbon fiber mixture and composition thereof | Ryuji Yamamoto, Hitoshi Inoue, Satoshi Ohshima, Motoo Yumura | 2005-12-13 |
| 6844061 | Fine carbon fiber and composition thereof | Ryuji Yamamoto | 2005-01-18 |