Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537391 | Steel with improved impact penetration resistance and method for producing the same | Kengo Ishige, Tadashi Shibue, Tsutomu Kakinouchi, Osamu Tanigawa, Kiyoshi Uchida +1 more | 2003-03-25 |
| 6521057 | High-strength high-toughness steel products | Noritsugu Itakura, Mitsuhiro Okatsu, Keniti Amano | 2003-02-18 |