Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451134 | 590MPa class heavy gauge H-shaped steel having excellent toughness and method of producing the same | Fumimaru Kawabata, Keniti Amano | 2002-09-17 |
| 6440235 | Method of manufacturing high productive and high strength rolled H-shaped | Fumimaru Kawabata, Keniti Amano | 2002-08-27 |