Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147934 | Chemically processed steel sheet excellent in corrosion resistance | Masaya Yamamoto, Mitsuo Asabuki, Shinya Furukawa, Hirofumi Taketsu | 2006-12-12 |
| 6730414 | Chemically processed steel sheet excellent in corrosion resistance | Masaya Yamamoto, Mitsuo Asabuki, Shinya Furukawa, Hirofumi Taketsu | 2004-05-04 |
| 6544666 | Chemically processed steel sheet improved in corrosion resistance | Kouichiro Ueda, Tadashi Nakano, Yasumi Ariyoshi, Keiji Izumi, Masanori Matsuno +1 more | 2003-04-08 |