Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651458 | Internal intermediate pressure 2-stage compression type rotary compressor | Masaya Tadano, Takashi Yamakawa, Atsushi Oda | 2003-11-25 |
| 6616428 | Double-cylinder two-stage compression rotary compressor | Masaya Tadano, Takashi Yamakawa, Atsushi Oda | 2003-09-09 |
| 6581408 | Multi-stage compression refrigerating device | Masaya Tadano, Atsushi Oda, Takashi Yamakawa | 2003-06-24 |
| 6568198 | Multi-stage compression refrigerating device | Masaya Tadano, Atsushi Oda, Takashi Yamakawa | 2003-05-27 |