Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669141 | Scissors type steel shearing apparatus with vertically displaced and angularly tilted shearing zones and transversely displaced interlocking portions | Sumio Morikawa, Toshiji Ohga | 1997-09-23 |
| 5626301 | Steel material shearing machine | Sumio Morikawa | 1997-05-06 |