Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647897 | Heating apparatus | Ichiro Ootomo, Hiroshi Asakura, Nobuhiro Takeda, Kazuhiro Kimura, Akira Tsutsumi +2 more | 2010-01-19 |
| 7004749 | Combustion apparatus | Kimiaki Asano, Hitoshi Hara, Tetsurou Hamada, Hiroki Hasegawa | 2006-02-28 |
| 6908299 | Combustion apparatus | Kimiaki Asano, Hitoshi Hara, Tetsurou Hamada, Yoshinori Kanda, Hiroki Hasegawa | 2005-06-21 |