Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918947 | Method for making reduced iron | Takeshi Maki, Yoshiyuki Matsui, Takeshi Sugiyama, Takao Harada, Masahiko Tetsumoto +6 more | 2005-07-19 |
| 6602320 | Method for producing reduced iron | Hidetoshi Tanaka, Shoichi Kikuchi, Takaya Kitajima, Osamu Tsuchiya | 2003-08-05 |
| 6241803 | Method for manufacturing reduced iron pellets | — | 2001-06-05 |
| 6129777 | Method of producing reduced iron agglomerates | Hidetoshi Tanaka, Takao Harada, Takeshi Sugiyama, Yoshimichi Takenaka, Kazuya Miyagawa +6 more | 2000-10-10 |