Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221201 | Vertical heat treatment apparatus | Kenichi Yamaga, Katsutoshi Ishii | 1993-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221201 | Vertical heat treatment apparatus | Kenichi Yamaga, Katsutoshi Ishii | 1993-06-22 |