Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818072 | High-strength heat-resistant steel, process for producing the same, and process for producing high-strength heat-resistant pipe | Masayuki Kondo, Masashi Ozaki, Masahiro Kobayashi, Akira Shiibashi | 2004-11-16 |
| 6789428 | Method and apparatus for evaluating damage of metal material | Keiichi Iwamoto, Masafumi Yamauchi, Takumi Tokiyoshi, Takao Hashimoto, Masaaki Fujita +1 more | 2004-09-14 |