Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8821154 | Combustion apparatus and method for combustion control thereof | Kazushi Iwama, Yuichi Mochizuki, Katsumi Naitoh | 2014-09-02 |
| 8521400 | Combustion apparatus and method for combustion control | Mitsutaka Inaba, Jun Aiso | 2013-08-27 |
| 7322532 | Hot-water supply apparatus, anti-freezing method thereof, and anti-freezing program thereof | Akira Takada, Katsumi Naitoh | 2008-01-29 |
| 6606968 | Water heater unit | Kazushi Iwama | 2003-08-19 |