Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4480474 | Method and apparatus for ultrasonic flaw detection of T-welded portion of steel product | Hisao Kazama, Akito Nakanishi | 1984-11-06 |
| 4295354 | Method for producing beam blank for large size H-beam from flat slab | Koichi Itoh, Osamu Koshida | 1981-10-20 |