Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010280 | Hot-water supply system | Takeshi Kato | 2015-04-21 |
| 8985063 | Hot-water supply system | — | 2015-03-24 |
| 7529593 | Hot water supply system | Hideki Kitagawa, Kumiko Yasutani | 2009-05-05 |
| 7471186 | Radio remote control system | Keiji Kato | 2008-12-30 |
| 4913128 | Burner apparatus | — | 1990-04-03 |
| 4768947 | Burner apparatus | — | 1988-09-06 |