Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230751 | Treating composition, forming a mixed-carbide layer of Va-Group elements and of chromium on a ferrous-alloy surface and resulting product | Tohru Arai, Hironori Fujita | 1980-10-28 |
| 4202705 | Treating bath, forming a mixed carbide layer of Va-Group elements on a ferrous alloy surface and resulting product | Tohru Arai, Hinonori Fujita | 1980-05-13 |