Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454881 | Non-refined steel being reduced in anisotropy of material and excellent in strength, toughness and machinability | Kazukuni Hase, Yasuhiro Omori, Toshiyuki Hoshino | 2002-09-24 |
| 6451134 | 590MPa class heavy gauge H-shaped steel having excellent toughness and method of producing the same | Tatsumi Kimura, Fumimaru Kawabata | 2002-09-17 |
| 6440235 | Method of manufacturing high productive and high strength rolled H-shaped | Tatsumi Kimura, Fumimaru Kawabata | 2002-08-27 |
| 6436340 | Weatherable steel material | Kazuhiko Shiotani, Akio Ohmori, Kimihiro Nishimura, Yasuyoshi Yamane, Fumimaru Kawabata | 2002-08-20 |
| 6358335 | Continuous casting slab suitable for the production of non-tempered high tensile steel material | Akio Ohmori, Fumimaru Kawabata | 2002-03-19 |
| 6344093 | High tensile strength steel product for high heat input welding, having excellent toughness in heat-affected zone | Akio Ohmori, Fumimaru Kawabata | 2002-02-05 |