Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9310133 | Rotary hearth furnace exhaust gas duct apparatus and method for operating same | Koji Tokuda, Osamu Tsuge | 2016-04-12 |
| 9138680 | Method for removing nitrogen oxides | Takeshi Yamashita, Katsuya Akiyama | 2015-09-22 |
| 8419824 | Method for producing briquette, method for producing reduced metal, and method for separating zinc or lead | Masahiko Tetsumoto, Yutaka Miyakawa | 2013-04-16 |
| 7378453 | Surface crosslinking treatment method of water-absorbing resin powder | Kozo Nogi, Shigeru Sakamoto, Yorimichi Dairoku, Kunihiko Ishizaki | 2008-05-27 |
| 7333048 | Periphery monitoring system | Makoto Nakagawa, Hideyuki Okada, Michihide Fujiwara | 2008-02-19 |
| 6755943 | Perforated tray without downcomer, perforated tray tower without downcomer | Takeshi Nishimura, Yukihiro Matsumoto | 2004-06-29 |
| 6632329 | Distillation apparatus and distilling method | Yukihiro Matsumoto, Kazuhiko Sakamoto, Kenji Sanada | 2003-10-14 |