Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679321 | Heat pump system | — | 2004-01-20 |
| 6668569 | Heat pump apparatus | — | 2003-12-30 |
| 6378318 | Heat pump type air conditioning apparatus | — | 2002-04-30 |
| 6367279 | Heat pump system | — | 2002-04-09 |
| 6357246 | Heat pump type air conditioning apparatus | — | 2002-03-19 |
| 6321460 | Drying apparatus | — | 2001-11-27 |
| 6295825 | Combined drying and refrigerating storehouse | — | 2001-10-02 |
| 6050102 | Heat pump type air conditioning apparatus | — | 2000-04-18 |