Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341955 | Sealing apparatus in continuous heat-treatment furnace and sealing method | Naoto Ueno, Sachihiro Iida | 2002-01-29 |
| 6190164 | Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace | Naoto Ueno, Sachihiro Iida | 2001-02-20 |
| 4638851 | Cooling apparatus for metal strip | Katsumi Makihara, Kenichi Yanagi, Takeo Fukushima, Namio Suganuma, Seiichi Takahashi | 1987-01-27 |