Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726370 | Tubular burner | — | 2017-08-08 |
| 8858225 | Combustion device | — | 2014-10-14 |
| 8015950 | Single can-type composite heat source machine | Hideo Okamoto, Hiroitsu Ohta, Mineyuki Nasu, Hiroaki Sasaki | 2011-09-13 |