Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336923 | Steel surface inspection apparatus | Toshio Shiraiwa, Tatsuo Hiroshima | 1982-06-29 |
| 4337099 | Method and apparatus for conditioning of steel surface | Tatsuo Hiroshima | 1982-06-29 |
| 4318439 | Hot steel cutting apparatus | Tatsuo Hiroshima, Kenichi Matsui, Ichiroh Ohgaki | 1982-03-09 |