Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812197 | Iron-based cleaning powder | Hitoshi Sakuma, Kenji Kawai, Yoshikazu Seki, Masaaki Matsubara, Koji Yamamoto | 2004-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812197 | Iron-based cleaning powder | Hitoshi Sakuma, Kenji Kawai, Yoshikazu Seki, Masaaki Matsubara, Koji Yamamoto | 2004-11-02 |