Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676869 | Vertical heat treatment apparatus | Junichi Nakayama | 1997-10-14 |
| 5506389 | Thermal processing furnace and fabrication method thereof | Yasuaki Miura, Osamu Yokokawa | 1996-04-09 |
| 5171972 | Heat treating furnace | — | 1992-12-15 |