Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644372 | High-strength H-beam steel exhibiting excellent low-temperature toughness and method of manufacturing same | Kazutoshi Ichikawa, Noriaki Onodera, Kohichi Yamamoto | 2017-05-09 |
| 9023158 | Steel material superior in high temperature characteristics and toughness and method of production of same | Suguru Yoshida, Hiroshi Kita, Teruhisa Okumura, Hirokazu Sugiyama | 2015-05-05 |
| 8303734 | High strength thick steel material and high strength giant H-shape excellent in toughness and weldability and methods of production of same | Suguru Yoshida, Hiroshi Kita, Teruhisa Okumura, Hirokazu Sugiyama | 2012-11-06 |
| 5259229 | Apparatus for cooling thin-webbed H-beam steel | Akira Inagaki, Masao Kurokawa, Hiroyuki Hasegawa, Toshihiro Ishibashi, Hiroaki Hadano +5 more | 1993-11-09 |
| 5191778 | Process for producing thin-webbed H-beam steel | Akira Inagaki, Masao Kurokawa, Hiroyuki Hasegawa, Toshihiro Ishibashi, Hiroaki Hadano +5 more | 1993-03-09 |