Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637955 | Shutter device | — | 2003-10-28 |
| 6617048 | Prepainted steel sheet and method for producing the same | Keiji Yoshida, Kazumi Ito, Masaaki Yamashita, Hiroyuki Kato, Yasuyuki Kajita +2 more | 2003-09-09 |