Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5934101 | Compression absorption heat pump | Tsuneo Takaki, Mitsuaki Kanetsuki, Akira Ochikubo, Yoshinori Nagashima | 1999-08-10 |
| 4896515 | Heat pump, energy recovery method and method of curtailing power for driving compressor in the heat pump | — | 1990-01-30 |
| 4558568 | Method and apparatus for mobilizing geothermal fluid | Yuji Hoshino, Kazuyoshi Suda | 1985-12-17 |
| 4555905 | Method of and system for utilizing thermal energy accumulator | — | 1985-12-03 |