Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9513003 | Combustion apparatus, method for combustion control, board, combustion control system and water heater | Mituru Sano, Toshinobu Muku | 2016-12-06 |
| 8695539 | Water heater and control method therefor | Kazushi Iwama, Jun Aiso | 2014-04-15 |