Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281365 | Method for producing molten steel | Tsuyoshi Mimura | 2025-04-22 |
| 12276002 | Molten steel production method | Tsuyoshi Mimura | 2025-04-15 |
| 11549155 | Reduced iron production method and production apparatus | Tomoki Uemura | 2023-01-10 |
| 11428468 | Rotary hearth furnace, and method for producing reduced iron using rotary hearth furnace | Tomoki Uemura, Sumito Hashimoto | 2022-08-30 |
| 9310133 | Rotary hearth furnace exhaust gas duct apparatus and method for operating same | Noriaki Mizutani, Osamu Tsuge | 2016-04-12 |
| 8617459 | Method and apparatus for manufacturing granular metallic iron | Shuzo Ito, Shoichi Kikuchi | 2013-12-31 |
| 8620106 | Chart display device and method for displaying chart | Brice Pryszo, Iker Pryszo, Mathieu Jacquinot, Olivier Robin, Makoto Obuchi | 2013-12-31 |
| 8377169 | Method and apparatus for manufacturing granular metallic iron | Shuzo Ito, Shoichi Kikuchi | 2013-02-19 |
| 8187359 | Granulated metallic iron superior in rust resistance and method for producing the same | Osamu Tsuge | 2012-05-29 |
| 8157888 | Process for producing molten iron | Shuzo Ito, Itsuo Miyahara | 2012-04-17 |
| 8034283 | Rotary hearth furnace and method of operating the same | Masahiko Tetsumoto, Sumito Hashimoto | 2011-10-11 |
| 8012236 | Method and apparatus for producing reduced metal | Shoichi Kikuchi, Osamu Tsuge | 2011-09-06 |
| 7806959 | Metallic iron nuggets | Shuzo Ito, Yasuhiro Tanigaki, Isao Kobayashi, Osamu Tsuge, Keisuke Honda +1 more | 2010-10-05 |
| 7768447 | Radar apparatus and the like | Brice Pryszo, Iker Pryszo, Mathieu Jacquinot, Olivier Robin, Makoto Obuchi | 2010-08-03 |
| 7674316 | Method for producing metallic iron | Osamu Tsuge, Yasuhiro Tanigaki, Isao Kobayashi, Shoichi Kikuchi, Shuzo Ito | 2010-03-09 |
| 7462219 | Production method of metal iron | Shoichi Kikuchi, Isao Kobayashi | 2008-12-09 |
| 7369461 | Acoustic transducer and underwater sounding apparatus | Kenichi Watanabe, Yasushi Nishimori, Kouzo Tokuyama, Ryouichi Suetoshi | 2008-05-06 |
| 7160353 | Process for producing molten iron | Isao Kobayashi, Itsuo Miyahara, Hidetoshi Tanaka | 2007-01-09 |
| 6778467 | Underwater sounding apparatus | Shinji Ishihara | 2004-08-17 |
| 6689182 | Method and device for producing molten iron | Shuzo Ito, James C. Simmons, Robert F. Edgar | 2004-02-10 |
| 6630010 | Method of producing metallic iron | Shuzo Ito, Yasuhiro Tanigaki, Shoichi Kikuchi, Osamu Tsuge, Isao Kobayashi +2 more | 2003-10-07 |
| 6592649 | Method of producing iron nuggets | Shoichi Kikuchi, Yasuhiro Tanigaki, Osamu Tsuchiya, Shuzo Ito | 2003-07-15 |
| 6569223 | Method of manufacturing molten metal iron | Yasuhiro Tanigaki, Osamu Tsuge, Isao Kobayashi, Keisuke Honda, Shoichi Kikuchi +1 more | 2003-05-27 |
| 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 |
| 6284018 | Method of making iron and steel | Akira Uragami, Shuzo Ito | 2001-09-04 |