Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977997 | System for turning shape steels upside down | Seiichi Yusa, Eiji Futagi | 1990-12-18 |
| 4862645 | Chamfering machine | Masaru Izui | 1989-09-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977997 | System for turning shape steels upside down | Seiichi Yusa, Eiji Futagi | 1990-12-18 |
| 4862645 | Chamfering machine | Masaru Izui | 1989-09-05 |