FUJITSU GENERAL Group 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 image](/shared/img-0000-corp-technology-heat-sterilization-01.jpg)
Heat exchanger thermal sanitization
- Technology that heats water accumulated in a heat exchanger to eliminate mold and bacteria (2018)
![Automatic self-cleaning filter system image](/shared/img-0000-corp-technology-filter-clean-01.png)
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 image](/shared/img-0000-corp-technology-energy-conservation-01.png)
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
![Optimized Airflow Technology image](/shared/img-0000-corp-technology-optimized-airflow-01.png)
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®)
![Wireless fire and disaster prevention communication system image](/shared/img-0000-corp-technology-wireless-fire-01.jpg)
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 motor image](/shared/img-0000-corp-technology-axial-gap-motor-01.png)
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
![](/shared/img-0000-corp-technology-c-shape-01.png)
C-shape easy-to-install window air conditioner (1971)
![](/shared/img-0000-corp-technology-lambda-01.png)
Lambda heat exchanger (1991)
![](/shared/img-0000-corp-technology-filter-clean-01.png)
Self-cleaning filter (2003)
![](/shared/img-0000-corp-technology-multi-path-01.png)
Copper tubing technology incorporated into a heat exchanger with 5-mm four-branched path (2007)
![](/shared/img-0000-corp-technology-optimized-airflow-01.png)
DUAL BLASTER® with two side fans (2013)
![Heat exchanger thermal sanitization (2018)](/shared/img-0000-corp-technology-heat-sterilization-01.jpg)
Heat exchanger thermal sanitization (2018)
![Two-Stage Plasma Air Cleaning Technology (2022)](/shared/img-0000-news-technology-two-stage-plasma-clean-technology-01.jpg)
Two-Stage Plasma Air Cleaning Technology (2022)