Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629427 | Refrigerating system | Chung-cheng Piao, Ryuichi Sakamoto, Yuji Watanabe, Kazuo Yonemoto | 2003-10-07 |
| 6619064 | Air conditioning system | Chun-cheng Piao, Ryuichi Sakamoto, Yuji Watanabe, Kazuo Yonemoto | 2003-09-16 |
| 6539744 | Air-conditioning apparatus | Chun-cheng Piao, Ryuichi Sakamoto, Kazuo Yonemoto, Shotaro Mishina, Akira Kamino | 2003-04-01 |