Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815067 | Carbonaceous complex structure and manufacturing method therefor | Masafumi Ata | 2004-11-09 |
| 6793967 | Carbonaceous complex structure and manufacturing method therefor | Masafumi Ata | 2004-09-21 |