Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899166 | Method for preventing contamination of heat exchanger and heat exchanger using this method | Hitoshi Kuno, Yasushi Okamoto, Tomomi Takagi, Toshiya Nagasawa, Kenichi Morita | 2005-05-31 |