Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291313 | NOx removal system for boilers | Satoshi Wakasa, Yukihiro Isshiki, Kouichi Masuda, Nobuyuki Ishizaki | 2007-11-06 |
| 7223372 | NOx removal system for boilers | Satoshi Wakasa, Yukihiro Isshiki, Kouichi Masuda, Nobuyuki Ishizaki | 2007-05-29 |
| 6875009 | Combustion method and apparatus for NOx reduction | Toshihiro Kayahara | 2005-04-05 |
| 6823821 | Combustion method and apparatus for NOx reduction | Toshihiro Kayahara, Kazuhiro Tachino, Kenji Matunari, Kyosuke Okubo | 2004-11-30 |
| 6792895 | Combustion method and apparatus for NOx reduction | Toshihiro Kayahara | 2004-09-21 |
| 6638487 | Method for controlling NOx removal system in boiler | Satoshi Wakasa, Yukihiro Isshiki, Kouichi Masuda, Nobuyuki Ishizaki | 2003-10-28 |
| 6318305 | Water-tube boiler | Takanori Tanaka | 2001-11-20 |
| 6253715 | Water-tube boiler | Takanori Tanaka | 2001-07-03 |
| 6116196 | Water-tube boiler | Shigehiro Watanabe, Kanta Kondou | 2000-09-12 |
| 6041743 | Water-tube boiler and burner | Kanta Kondou | 2000-03-28 |
| 6029614 | Water-tube boiler with re-circulation means | Toshihiro Kayahara, Kanta Kondou | 2000-02-29 |