Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640047 | Hybrid water heater with electrical heating unit and combustor | Satoshi Nomura | 2003-10-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640047 | Hybrid water heater with electrical heating unit and combustor | Satoshi Nomura | 2003-10-28 |