Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8721849 | Electrode holder | Hideo Furukawa | 2014-05-13 |
| 7988124 | Needle valve | Shigehiro Watanabe, Keiichi Fujita | 2011-08-02 |
| 7905254 | Shut-off valve | Masato Kitayama | 2011-03-15 |
| 7334603 | Check valve | — | 2008-02-26 |
| D557399 | Damper adjustment device | Hideo Furukawa, Yoshitaka Yagi | 2007-12-11 |
| D551182 | Electrode for water level detection | Hideo Furukawa | 2007-09-18 |
| 7178552 | Valve | — | 2007-02-20 |
| 7111642 | Valve having fast and slow acting closure elements | — | 2006-09-26 |
| D518874 | Valve | Yoshitaka Yagi, Tomisada Kubota | 2006-04-11 |
| 6959718 | Valve | Toshihiro Kayahara, Shigehiro Watanabe | 2005-11-01 |
| 6793485 | Combustion apparatus for NOx reduction | Toshihiro Kayahara, Hideo Furukawa, Kanta Kondo | 2004-09-21 |