Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957374 | Tunnel furnace height detector | Keiji Yasuda, Kazuhiro Miyahara | 1990-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957374 | Tunnel furnace height detector | Keiji Yasuda, Kazuhiro Miyahara | 1990-09-18 |