Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962632 | Aluminum alloy hollow material, aluminum alloy extruded pipe material for air conditioner piping and process for producing the same | Toshio Ohta | 2005-11-08 |
| 6908520 | Aluminum alloy hollow material, aluminum alloy extruded pipe material for air conditioner piping and process for producing the same | Toshio Ohta | 2005-06-21 |