Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488786 | High-strength, high-toughness martensitic stainless steel sheet | Naoto Hiramatsu, Seiichi Isozaki | 2002-12-03 |
| 6440236 | Ultra-high strength metastable austenitic stainless steel containing Ti and a method of producing the same | Naoto Hiramatsu | 2002-08-27 |