Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10683562 | Reduced iron manufacturing method | Yui HOSONO, Masaki Shimamoto, Takao Harada, Shingo Yoshida, Taiji Hatakeyama | 2020-06-16 |
| 10144981 | Process for manufacturing reduced iron agglomerates | Takao Harada, Shingo Yoshida | 2018-12-04 |
| 10017836 | Method for producing reduced iron | Tsuyoshi Mimura, Takao Harada, Shingo Yoshida | 2018-07-10 |
| 8617459 | Method and apparatus for manufacturing granular metallic iron | Koji Tokuda, Shuzo Ito | 2013-12-31 |
| 8377169 | Method and apparatus for manufacturing granular metallic iron | Koji Tokuda, Shuzo Ito | 2013-02-19 |
| 8012236 | Method and apparatus for producing reduced metal | Koji Tokuda, Osamu Tsuge | 2011-09-06 |
| 7938883 | Method and apparatus for making metallic iron | Takuya Negami, Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi +7 more | 2011-05-10 |
| 7846235 | Method for producing metallic iron | Osamu Tsuge, Gilbert Y. Whitten, Brian Voelker | 2010-12-07 |
| 7806959 | Metallic iron nuggets | Shuzo Ito, Yasuhiro Tanigaki, Isao Kobayashi, Osamu Tsuge, Keisuke Honda +1 more | 2010-10-05 |
| 7674316 | Method for producing metallic iron | Osamu Tsuge, Yasuhiro Tanigaki, Isao Kobayashi, Koji Tokuda, Shuzo Ito | 2010-03-09 |
| 7462219 | Production method of metal iron | Koji Tokuda, Isao Kobayashi | 2008-12-09 |
| 7438730 | Method of producing iron oxide pellets | Yasuhiko Igawa, Jun Jimbo, Hidetoshi Tanaka, Takao Harada, Osamu Tsuchiya +2 more | 2008-10-21 |
| 7384450 | Method for producing metallic iron | — | 2008-06-10 |
| 6811759 | Method of producing iron oxide pellets | Osamu Tsuchiya, Hidetoshi Tanaka, Takao Harada, Jun Jimbo, Yasuhiko Igawa | 2004-11-02 |
| 6630010 | Method of producing metallic iron | Shuzo Ito, Yasuhiro Tanigaki, Osamu Tsuge, Isao Kobayashi, Keisuke Honda +2 more | 2003-10-07 |
| 6602320 | Method for producing reduced iron | Kojiro Fuji, Hidetoshi Tanaka, Takaya Kitajima, Osamu Tsuchiya | 2003-08-05 |
| 6592649 | Method of producing iron nuggets | Yasuhiro Tanigaki, Koji Tokuda, Osamu Tsuchiya, Shuzo Ito | 2003-07-15 |
| 6592647 | Method for producing metallic iron | Mitsutaka Hino, Isao Kobayashi | 2003-07-15 |
| 6579505 | Method of producing iron oxide pellets | Osamu Tsuchiya, Hidetoshi Tanaka, Takao Harada, Jun Jimbo, Yasuhiko Igawa | 2003-06-17 |
| 6569223 | Method of manufacturing molten metal iron | Yasuhiro Tanigaki, Osamu Tsuge, Isao Kobayashi, Keisuke Honda, Koji Tokuda +1 more | 2003-05-27 |
| 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 |
| 6413295 | Iron production method of operation in a rotary hearth furnace and improved furnace apparatus | David C. Meissner, Glenn E. Hoffman, Kyle James Shoop, Takuya Negami, Akira Uragami +5 more | 2002-07-02 |
| 6210462 | Method and apparatus for making metallic iron | Akira Uragami, Isao Kobayashi, Yasuhiro Tanigaki, Eiichi Ito, Koji Tokuda +2 more | 2001-04-03 |
| 6036744 | Method and apparatus for making metallic iron | Takuya Negami, Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi +7 more | 2000-03-14 |