Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8442104 | Signal processing apparatus and signal processing method | — | 2013-05-14 |
| 7847585 | Source follower with active inductance as a load | — | 2010-12-07 |
| 7473393 | Method for discharging reduced product from a movable-hearth furnace and a discharging device | Natsuo Ishiwata, Tatsuya Ozawa, Yoshitaka Sawa, Tetsuya Yamamoto, Tetsuya Kikui | 2009-01-06 |
| 7141205 | Method for discharging reduced product from a movable-hearth furnace and a discharging device | Natsuo Ishiwata, Tatsuya Ozawa, Yoshitaka Sawa, Tetsuya Yamamoto, Tetsuya Kikui | 2006-11-28 |
| 6872074 | Method for discharging reduced product from a movable-hearth furnace and a discharging device | Natsuo Ishiwata, Tatsuya Ozawa, Yoshitaka Sawa, Tetsuya Yamamoto, Tetsuya Kikui | 2005-03-29 |
| 6270552 | Rotary hearth furnace for reducing oxides, and method of operating the furnace | Yoshitaka Sawa, Tetsuya Yamamoto, Tetsuya Kikui | 2001-08-07 |
| 6264721 | Method of operating rotary hearth furnace for reducing oxides | Yoshitaka Sawa, Tetsuya Yamamoto | 2001-07-24 |
| 6248152 | Method of reducing iron oxide on a movable hearth furnace | Yoshitaka Sawa | 2001-06-19 |
| 6224820 | Method of producing a reduced metal, and traveling hearth furnace for producing same | Yoshitaka Sawa, Tetsuya Yamamoto, Hiroshi Itaya | 2001-05-01 |
| 6135766 | Rotary hearth furnace and method of operating the same | Yoshitaka Sawa | 2000-10-24 |
| 6126718 | Method of producing a reduced metal, and traveling hearth furnace for producing same | Yoshitaka Sawa, Tetsuya Yamamoto, Hiroshi Itaya | 2000-10-03 |
| 4842253 | Method and device for monitoring combustion in furnace | Seiji Taguchi, Toshikazu Nakai, Haruo Kato | 1989-06-27 |