Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351965 | Cooling and heating cycle apparatus and refrigerant cycle apparatus | — | 2002-03-05 |
| 6234207 | Device for changing flow of operating medium in air conditioning system | — | 2001-05-22 |
| 5944299 | Rotation switching mechanism in rotary type switching valve | — | 1999-08-31 |
| 5787930 | High-low pressure passage switching device in heating-cooling apparatus | — | 1998-08-04 |
| 5755111 | High-low pressure passage switching device in heating-cooling apparatus | — | 1998-05-26 |