Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374488 | Welded tin-free steel can | Nobuyoshi Shimizu, Fumio Kunishige, Tsuneo Inui | 1994-12-20 |
| 5168015 | Composition and method for weldable tin-free steel having a chromium bilayer | Nobuyoshi Shimizu, Fumio Kunishige, Tsuneo Inui | 1992-12-01 |