Company / Patents and Technologies
Patents and Technologies
Patents and Technologies
We are committed to being at the forefront of developing state-of-the-art technologies.
The wide range of patents we have acquired in many countries around the world are a testament to our creativity and ingenuity.
Patents
Heat exchanger thermal sanitization
- Technology that heats water accumulated in a heat exchanger to eliminate mold and bacteria (2018)
Self-cleaning filters
(more than 100 patents are granted or pending in many countries around the world)
- Automatic cleaning of filters in air conditioners
First in the industry to incorporate this technology into air conditioners (2003)
Energy conservation technology
(more than 120 patents are granted or pending in many countries around the world)
- High-density multi-path heat exchangers with upgraded performance
Floor thermo-sensors that determine floor temperature to control room temperature
Inverter control technology
Airflow optimization technology
(more than 50 patents are granted or pending in many countries around the world)
- Controls cool or warm airflow from an air conditioner using fans on both sides (DUAL BLASTER®)
Radio communication system for fire and disaster response
(more than 50 patents are granted or pending in Japan)
- Digital wireless modulator-demodulator technology
Emergency command and support system
Axial gap motors
(more than 80 patents are granted or pending in many countries around the world)
- Compact, high-output motors
- First in the industry to incorporate these motors into air conditioners (2004)
Also built into motorized bicycles (2007)
The World's First Technologies Fujitsu General Developed for Its Air Conditioners
C-shape easy-to-install window air conditioner (1971)
Lambda heat exchanger (1991)
Self-cleaning filter (2003)
Copper tubing technology incorporated into a heat exchanger with 5-mm four-branched path (2007)
DUAL BLASTER® with two side fans (2013)
