Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6173763 | Heat exchanger tube and method for manufacturing a heat exchanger | Tetsuo Sano, Hideaki Motohashi | 2001-01-16 |
| 5784893 | Air conditioning system with built-in intermediate heat exchanger with two different types of refrigerants circulated | Tetsuo Sano, Masao Ozu | 1998-07-28 |
| 5709094 | Air conditioner control apparatus based on coolant type detection | Yasunori Ooyabu, Hideaki Motohashi, Megumi Komazaki | 1998-01-20 |
| 5626031 | Air conditioner | Hideaki Motohashi, Megumi Komazaki, Tetsuo Sano | 1997-05-06 |
| 5054297 | Cold storage system | — | 1991-10-08 |