Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254980 | Metallic sheet having rust-preventive organic coating thereon, process for the production thereof and treating fluid therefor | Kenichiro Tadokoro, Hiromasa Shoji, Tadashi Sakon, Makoto Yamasaki | 2001-07-03 |
| 5897948 | Surface-treated steel sheet with resin-based chemical treatment coating and process for its production | Tadashi Sakon, Kenichiro Tadokoro, Maki Sekoguchi, Hiromasa Shoji, Makoto Yamazaki | 1999-04-27 |