Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824367 | Multi-stage compression type rotary compressor and a setting method of displacement volume ratio for the same | Kenzo Matsumoto, Kazuaki Fujiwara, Yoshio Watabe, Kentaro Yamaguchi, Noriyuki Tsuda +2 more | 2004-11-30 |
| 6732542 | Defroster of refrigerant circuit and rotary compressor | Masaya Tadano, Kenzo Matsumoto, Kazuya Sato, Dai Matsuura, Takayasu Saito | 2004-05-11 |