Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428883 | Heat exchanger and water heater | Tetsurou Hamada, Hitoshi Hara, Hideaki Yoshitomi, Kozo Uehara, Hiroaki Takashima | 2008-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7428883 | Heat exchanger and water heater | Tetsurou Hamada, Hitoshi Hara, Hideaki Yoshitomi, Kozo Uehara, Hiroaki Takashima | 2008-09-30 |