Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749953 | Whiskerless galvanized product having multi-layer rust prevention film and manufacturing method of whiskerless galvanized product having multi-layer rust prevention film | Akira Sawatari, Ryouichi Muroi, Takazumi Katano | 2004-06-15 |