Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632283 | Molten metal discharging device | Kazumi Arakawa, Masuo Sugie, Takashi Watanabe, Takumi Nishio, Toshio Kawamura +1 more | 1986-12-30 |
| 4583721 | Molten metal discharging device | Kazumi Arakawa, Masuo Sugie, Takashi Watanabe, Takumi Nishio, Toshio Kawamura +1 more | 1986-04-22 |
| 4325748 | Method for producing steel plate having excellent resistance to hydrogen induced cracking | Hajime Nashiwa, Toshihiko Kawai, Muneyoshi Takeyama, Youzi Yamaguchi, Tsuneaki Kobayashi | 1982-04-20 |