Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699590 | Hot-dip galvanized steel sheet | Hiroyuki Takeda, Kouki Ikeda | 2004-03-02 |
| 6342310 | Hot-dip galvanized steel sheet | Kenji Saitou, Hiroyuki Takeda, Koichi Makii, Shunichi Hashimoto, Takayuki Yamamoto +3 more | 2002-01-29 |