Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938883 | Method and apparatus for making metallic iron | Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi, Yoshimichi Takenaka +7 more | 2011-05-10 |
| 6506231 | Method and apparatus for making metallic iron | Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi, Yoshimichi Takenaka +7 more | 2003-01-14 |
| 6432533 | Metallic iron containing slag | Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi, Yoshimichi Takenaka +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, Akira Uragami, Yasuhiro Tanigaki +5 more | 2002-07-02 |
| 6063156 | Production method of metallic iron | Akira Uragami | 2000-05-16 |
| 6036744 | Method and apparatus for making metallic iron | Kazuo Kunii, Shinichi Inaba, Masataka Shimizu, Isao Kobayashi, Yoshimichi Takenaka +7 more | 2000-03-14 |