Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629427 | Refrigerating system | Chung-cheng Piao, Ryuichi Sakamoto, Manabu Yoshimi, Kazuo Yonemoto | 2003-10-07 |
| 6619064 | Air conditioning system | Chun-cheng Piao, Ryuichi Sakamoto, Manabu Yoshimi, Kazuo Yonemoto | 2003-09-16 |