Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934538 | Heat exchanger and water heater | Toshihiko Obayashi, Satoshi Kawaguchi, Kohei Yamada | 2011-05-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7934538 | Heat exchanger and water heater | Toshihiko Obayashi, Satoshi Kawaguchi, Kohei Yamada | 2011-05-03 |