Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895749 | Method of manufacturing heat exchanger | Yoshihisa Eto, Shoji Akiyama, Muneo Sakurada | 2011-03-01 |
| 7156165 | Tank for heat exchanger | Hajime Ohata, Muneo Sakurada, Yoshihisa Eto | 2007-01-02 |
| 7117936 | Tube for heat exchanger | Hajime Ohata, Jun Akaike, Shoji Akiyama, Yoshihisa Eto | 2006-10-10 |