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, Haruhisa Yamasaki, Yoshio Watabe, Kentaro Yamaguchi +2 more | 2004-11-30 |
| 6748754 | Multistage rotary compressor and refrigeration circuit system | Kenzo Matsumoto, Haruyuki Yamasaki, Kazuya Sato, Masaya Tadano | 2004-06-15 |