Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696016 | High-chromium containing ferrite based heat resistant steel | — | 2004-02-24 |
| 6676777 | Postweld heat treatment process of carbon steel and low alloy steel | Masayoshi Yamazaki, Hiromichi Hongo, Junichi Kinugawa, Takashi Watanabe | 2004-01-13 |