Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414195 | Method of producing formaldehyde directly from methane | Akifumi UENO, Naoto Azuma, Ayako Kido | 2002-07-02 |
| 6294701 | Method of producing formaldehyde directly from methane | Akifumi UENO, Naoto Azuma, Kiyofumi Aoki | 2001-09-25 |