Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6736908 | Composition and process for treating metal surfaces and resulting article | Ryosuke Sako, Takumi Honda | 2004-05-18 |
| 6683131 | Protective coating of metal and product therefrom | Yasuhiro Kinoshita, Takashi Koyama | 2004-01-27 |