Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150582 | Multiple air conditioning apparatus | — | 1992-09-29 |
| 5004149 | Central air conditioning system having compensating control function for total heat load in a plurality of rooms | Hidetoshi Narikiyo, Yoshihiro Chuma | 1991-04-02 |
| 4921164 | Central air conditioning system with damper and method for controlling the same | Hidetoshi Narikiyo, Yoshihiro Chuma | 1990-05-01 |
| 4766735 | Inverter-aided multisystem air conditioner with control functions of refrigerant distribution and superheating states | — | 1988-08-30 |
| 4720982 | Multi-type air conditioner with optimum control for each load | Keiichirou Shimizu | 1988-01-26 |