Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447620 | Water-based surface-treating agent for metallic material | Yoshihiro Hayashi, Tatsuro Minabe, Masashi Masuko | 2002-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447620 | Water-based surface-treating agent for metallic material | Yoshihiro Hayashi, Tatsuro Minabe, Masashi Masuko | 2002-09-10 |