Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678628 | Heat exchanger and method for manufacturing the same | Yoshifumi Aki | 1997-10-21 |
| 5662162 | Heat exchanging apparatus | Yoshifumi Aki | 1997-09-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678628 | Heat exchanger and method for manufacturing the same | Yoshifumi Aki | 1997-10-21 |
| 5662162 | Heat exchanging apparatus | Yoshifumi Aki | 1997-09-02 |