Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497199 | Catalytic combustion heat exchanger | Tomoji Yamada, Mitsuo Inagaki, Shigeru Ogino | 2002-12-24 |
| 6397787 | Catalytic combustion heater | Tomoji Yamada, Shigeru Ogino | 2002-06-04 |
| 6352054 | Catalytic combustion heater | Tomoji Yamada, Shigeru Ogino | 2002-03-05 |