Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465114 | -Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same | Kazuhiko Honda, Kazumi Nishimura, Yasuhide Morimoto, Satoru Tanaka, Yoshihiro Suemune +7 more | 2002-10-15 |
| 6376092 | Surface-treated steel sheet and manufacturing method thereof | Kiyokazu Ishizuka, Kimitaka Hayashi, Daisuke Ito | 2002-04-23 |