Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156162 | Unit-type heat exchanger | — | 2007-01-02 |
| 6691772 | Heat exchanger | — | 2004-02-17 |
| 6684662 | Refrigeration system, and condenser for use in decompressing-tube system | Hirohiko Watanabe, Ryoichi Hoshino, Yasuhiro Takahashi | 2004-02-03 |