Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729148 | Refrigerating cycle device for vehicle and controlling method thereof | Kazuhito Miyagawa | 2004-05-04 |
| 6694751 | Method of control of air-conditioning system driven by vehicle engine | Yasutane Hijikata, Kazuhito Miyagawa | 2004-02-24 |