Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938883 | Method and apparatus for making metallic iron | Takuya Negami, Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi +7 more | 2011-05-10 |
| 6605130 | Pellets incorporated with carbonaceous material | Shoji Shirouchi, Masakata Shimizu, Kazuya Miyagawa | 2003-08-12 |
| 6506231 | Method and apparatus for making metallic iron | Takuya Negami, Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi +7 more | 2003-01-14 |
| 6432533 | Metallic iron containing slag | Takuya Negami, Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi +7 more | 2002-08-13 |
| 6334883 | Pellets incorporated with carbonaceous material and method of producing reduced iron | Shoji Shirouchi, Masakata Shimizu, Kazuya Miyagawa | 2002-01-01 |
| 6302938 | Reduced pellets | Tsunao Kamijo, Kazuya Miyagawa, Masakata Shimizu, Shoji Shirouchi, Haruhisa Iwakiri | 2001-10-16 |
| 6258149 | Method of producing reduced iron agglomerates | Takeshi Sugiyama, Hidetoshi Tanaka, Takao Harada, Sumito Hashimoto, Shoji Shirouchi | 2001-07-10 |
| 6152983 | Method of producing reduced iron pellets | Tsunao Kamijo, Kazuya Miyagawa, Masakata Shimizu, Shoji Shirouchi, Haruhisa Iwakiri | 2000-11-28 |
| 6129777 | Method of producing reduced iron agglomerates | Kojiro Fuji, Hidetoshi Tanaka, Takao Harada, Takeshi Sugiyama, Kazuya Miyagawa +6 more | 2000-10-10 |
| 6036744 | Method and apparatus for making metallic iron | Takuya Negami, Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi +7 more | 2000-03-14 |
| 4257806 | Fired iron-ore pellets having macro pores and process for producing the same | Isao Fujita, Mamoru Onoda, Fumikazu Kawaguchi, Tadao Tsutaya | 1981-03-24 |