Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843097 | Expansion wedge for use with heat exchanger tube, and structure for mounting tubes to header member of the heat exchange | Koji Tatsuta, Kenji Shimizu | 2005-01-18 |
| 6572153 | Structure for mounting tubes to header member of a heat exchanger | Koji Tatsuta, Kenji Shimizu | 2003-06-03 |