Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546527 | Composite sleeve for use in rolling rolls for H-section steel and channel steel | Masahiro Fukuda, Tadashi Narahara, Kenji Muramatsu, Noriyuki Miyazaki, Masanori Fukushima | 1985-10-15 |
| 4396442 | Ductile cast iron roll and a manufacturing method thereof | Shiro Nakamura, Masahiro Fukuda | 1983-08-02 |